Relevant bibliographies by topics / Testing of the engine on dynamometr

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  2. Dissertations / Theses
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Academic literature on the topic 'Testing of the engine on dynamometr'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Testing of the engine on dynamometr"

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PIETRAS, Dariusz, and Piotr ŚWIĄTEK. "The selection of calibration parameters of a 1.3 Multijet engine management system in the aspect of engine performance and exhaust gas compositon." Combustion Engines 133, no. 2 (May 1, 2008): 36–43. http://dx.doi.org/10.19206/ce-117245.

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The objective of passenger car engine tests performed on engine dynamometers, apart from the aspects of operation and durability, is the development in the range of suitable selection of parameters controlling the engine operation. The final selection of these parameters and their verification take place in the course of the tests accomplished with the use of engine dynamometers. The paper presents and discusses the effects of selected calibrations of 1.3 Multijet engine management system on the parameters of its operation and the composition of the exhaust gases. The accomplishment of that subject-matter resolved itself into testing work on an engine dynamometer to verify selected calibrations of the engine management system, developed on the basis of the experience of the authors acquired during their research performed earlier. Bearing in mind that the engine as the object of the testing serves as a power unit in a passenger car, it was assumed that the selection of the operational points of the engine, for which the tests should be performed on an engine dynamometer, should result from the mapping of the engine operation in the area of selected, characteristic phases of the driving test on a chassis dynamometer. The presented test results, exhaust gas composition and smokiness, as well as the overall efficiency for individual calibrations of the management system were put together in a form of bar graphs.
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Kanojiya, Mahesh, Samir Chunne, Amit Sahani, Paras Ghate, Girish Walki, Vipul Dalvi, Kunal Katkar, Sumit Sonkusle, and Shubham Chaware. "Design of Dynamometer for Engine Testing." International Journal of Innovations in Engineering and Science 6, no. 7 (June 23, 2021): 15–20. http://dx.doi.org/10.46335/ijies.2021.6.7.5.

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ATKINS, Richard. "A century of high performance engine testing." Combustion Engines 123, no. 4 (November 1, 2005): 3–18. http://dx.doi.org/10.19206/ce-117365.

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The past century has seen significant developments in the high performance internal combustion engine. These changes were driven in the first 50 years by accelerated technology due to two World Wars. A study of the engines in the period 1914–1918 and 1939 to 1944 is interesting in so much as many of the current designs of modern engines were in place. The materials and most importantly the computing power were simply not available. In 1960, a four cylinders normally aspirated race engine produced less than 100 BHP (74 kW) per liter capacity; today this is the norm for standard production car engines. A major thrust in the development of high performance engines came with the introduction of Formula 1 racing, as we understand it today in the early 1960’s when the engine capacity was reduced to 1.5 liters and the engines were normally aspirated. This lead to the onset of high revving engines than ran through to 12,000 rev/min, but still retained a flat BMEP (brake mean effective pressure) curve in excess of 1.4 MPa peak and at least 1.1 MPa from 4,500 rev/min through to 12,000 rev/min. In the course of some 45 years power per liter has risen from 100 BHP to 300 BHP (74–220 kW) and dynamometers and specialist instrument design has kept pace with this rise in efficiency. The paper will follow these trends and discuss in some detail the instrumentation that was available to early engineers and follow progress through today, culminating in low inertia dynamometers that are capable of continuous running at 30,000 rev/min and absorbing 2,500 BHP (1,800 kW).
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Alfaiz, M. A. Ammar, M. Tahir Musthafah, Abu Bakar Rosli, M. Shahir Ali, and Abdul Muhaimin. "New Design of a Low Cost Small Engine Dynamometer for Engine Testing." Applied Mechanics and Materials 699 (November 2014): 642–47. http://dx.doi.org/10.4028/www.scientific.net/amm.699.642.

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This paper discusses the design and development of a low cost small engine dynamometer for engine testing to measure engine performance i.e. power, torque and specific fuel consumption. The data and result were achieved by using a small hydraulic engine dynamometer with specific considerations and standard followed in order to have good engine dynamometer. Small engine was used by coupling it with the hydraulic pump that come with the control valve and pressure gauge. Control valve was set to build back pressure inside the pumping area. When the engine starts, the pressure gauge will give a reading which can be used to calculate the engine torque. By using the engine torque, engine power can be obtained by multiplying the angular speed with engine torque. Specific fuel consumption can be defined, by dividing the brake engine power with the fuel rate. From the experiment data, the brake power of the single cylinder engine showed that it is almost similar to the specification given by the manufacturer. The low cost hydraulic engine dynamometer, which is less than RM 15,000 can be used to measure an engine performance. The engine power, torque, engine speed and air fuel ratio data can be achieved from our developed engine dynamometer.
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Woo, L. Y., R. S. Glass, R. F. Novak, and J. H. Visser. "Diesel engine dynamometer testing of impedancemetric NOx sensors." Sensors and Actuators B: Chemical 157, no. 1 (September 2011): 115–21. http://dx.doi.org/10.1016/j.snb.2011.03.034.

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LONGWIC, Rafał, Gracjana WOŹNIAK, and Przemysław SANDER. "Compression-ignition engine fuelled with diesel and hydrogen engine acceleration process." Combustion Engines 180, no. 1 (March 30, 2020): 47–51. http://dx.doi.org/10.19206/ce-2020-108.

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The paper presents the results of research consisting in acceleration of a diesel engine powered by diesel and hydrogen. The test stand included a diesel engine 1.3 Multijet, hydrogen cylinders and measuring equipment. Empirical tests included engine testing at idle and at specified speeds on a chassis dynamometer, vehicle acceleration in selected gears from specified initial values of engine revolutions was also tested.. Selected parameters of the diesel fuel combustion and injection process were calculated and analyzed. The paper is a preliminary attempt to determine the possibility of co-power supply to diesel and hydrogen engines.
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Beshouri, G. M. "On the Development of Modern Analysis Techniques for Single Cylinder Testing of Large-Bore Engines." Journal of Engineering for Gas Turbines and Power 113, no. 3 (July 1, 1991): 390–98. http://dx.doi.org/10.1115/1.2906243.

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The world-wide consolidation of many engine manufacturers, along with the relatively low production rate of new engines, has resulted in a significant reduction in the facilities, engines, and personnel available for conducting full-engine laboratory quality tests against calibrated dynamometers. Concurrently, the continued pressure for further reduction in exhaust emissions, along with improvements in fuel consumption, has created a growing aftermarket for the retrofit/upgrade of new technologies requiring further engine development. Regrettably, the prohibitive cost and capital investment associated with full engine tests, along with the lack of facilities, makes such tests prohibitive. Therefore, a number of new experimental techniques and associated analysis methods have been developed for conducting laboratory quality single-cylinder tests on commercial engines without interfering with their profitable operation. Such tests have been successfully conducted on both spark-ignited and dual fuel engines. Many details of the methods utilized, along with estimations of their accuracy and reliability, are described.
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Lytviak, Oleksandr, Vasyl Loginov, Sergii Komar, and Yevhen Martseniuk. "Self-Oscillations of The Free Turbine Speed in Testing Turboshaft Engine with Hydraulic Dynamometer." Aerospace 8, no. 4 (April 17, 2021): 114. http://dx.doi.org/10.3390/aerospace8040114.

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Self-oscillations are one of the common problems in the complex automatic system, that can occur due to the features of the workflow and the design of the governor. The development of digital control systems has made it possible to damp self-oscillations by applying complex control laws. However, for hydromechanical systems, such way is unacceptable due to the design complexity and the governor cost. The objective of this work is to determine the parameters of the hydromechanical free turbine speed controller, ensuring the absence of self-oscillations during ground tests of the turboshaft engine with a hydraulic dynamometer. The TV3-117VM engine (Ukraine) with the NR-3VM regulator pump (Ukraine) was selected as the object of the study. However, self-oscillations can also occur in any modifications of the TV3-117 engine with any NR-3 regulator pump. The results of the research may be of interest to engineers and scientists who investigate the dynamics of automatic control systems for similar engines. The paper analyses the nonlinear features of the empirical characteristics of the FTSC leading to self-oscillations of the engine speed. The authors propose the mathematical model of the automatic control system dynamics, which takes into account all the features of the engine and regulator pump. It is shown that the load characteristics of the water brake and the helicopter main rotor can differ significantly. Research of the dynamic characteristics of the TV3-117VM engine was carried out. The analysis showed a good agreement between the calculation results and the field test results, and made it possible to determine the parameters of the controller, which lead to self-oscillations during test. Two cases are considered. The first case includes ground tests of the engine with a water brake; the second case—flight tests of the engine as part of the helicopter’s power plant. The data obtained make it possible to develop recommendations for adjusting the hydromechanical governor without testing it on the engine.
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Nagy, Péter, and Ibolya Zsoldos. "Gasoline Particulate Filter Accelerated Aging Processes - a Literature Review." Acta Technica Jaurinensis 13, no. 4 (August 11, 2020): 281–94. http://dx.doi.org/10.14513/actatechjaur.v13.n4.552.

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This article briefly presents the testing processes of vehicle and engine testing on chassis and engine dynamometers in a laboratory environment and their development trend due to the stricter environmental regulations. It then explains the test cycles that form the basis of the measurements and their effect on emissions and components of the exhaust system. It briefly summarizes the potential processes of soot formation. It researches and describes the possibilities of reducing the duration and costs of testing and inspection processes in the field of particulate emissions of internal combustion engines.
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Ravindra, M. Aruna, and Vardhan Harsha. "Performance Testing of Diesel Engine using Cardanol-Kerosene oil blend." MATEC Web of Conferences 144 (2018): 04005. http://dx.doi.org/10.1051/matecconf/201814404005.

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Awareness of environmental pollution and fossil fuel depletion has necessitated the use of biofuels in engines which have a relatively cleaner emissions. Cardanol is a biofuel, abundantly available in India, which is a by-product of cashew processing industries. In this study performance of raw Cardanol blended with kerosene has been tested in diesel engine. Volumetric blend BK30 (30% kerosene and 70% Cardanol) has been used for the test. The properties like flash point, viscosity and calorific value of the blend have been determined. The test was carried out in four stroke diesel engine connected with an eddy current dynamometer. Performance of the engine has been analysed by finding the brake specific fuel consumption (BSFC) and brake thermal efficiency (BTE). The results showed that the brake thermal efficiency of the blend is 29.87%, with less CO and smoke emission compared to diesel. The results were also compared with the performance of Cardanol diesel blend and Cardanol camphor oil blend, which were already tested in diesel engines by other researchers. Earlier research work reveals that the blend of 30% camphor oil and 70% Cardanol performs very closer to diesel fuel with a thermal efficiency of 29.1%. Similarly, higher brake thermal efficiency was obtained for 20% Cardanol and 80% diesel blend.
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Dissertations / Theses on the topic "Testing of the engine on dynamometr"

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Truksa, Jan. "Návrh upevňovacího rámu pro zkoušení spalovacího motoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228351.

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In those diploma thesis I engaged in design of mounting frame for mounting mtorcycle four-stroke inline combustion engine to dynamometric testing site. The goal is necessary mobility and versatility of the design. That mean the construction would be useful for other motorcycle engines.
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Špičák, Milan. "Zvýšení výkonu přeplňovaného motoru pro Formuli Student." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-232175.

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Diplomová práce je zaměřena na výběr pohonné jednotky pro Formuli Student, sestavení spolehlivého výpočtového modelu za využití pokročilého testování. Dále se zaměřuje na přípravu vhodných podmínek pro testování, samotné testování a následnou kalibraci řídicí jednotky pro validaci simulací a také pro efektivní a spolehlivé řízení motoru v náročných závodních podmínkách. Je zároveň součástí komplexního projektu, který se zabývá celkovým vývojem přeplňovaného jednoválcového motoru pro tým TU Brno Racing.
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Sandström, Tobias. "Condition Monitoring of Ceramic Ball Bearings in an Engine Testing Dynamometer." Thesis, KTH, Maskinkonstruktion (Inst.), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-183126.

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The choice of the topic addressed in this thesis aims to improve the service and maintenance on ceramic ball bearings in a specific test dynamometer and through an engineering approach develop tools for condition monitoring. The company connected to this thesis, AVL, is the world's largest privately owned company for development, simulation and testing technology of powertrains for passenger cars, trucks and large engines. Engine testing is a critical part of the business at AVL Sweden and unexpected bearing failure can result in long repair times and great economic losses due to loss of the testing time. In short terms, the methodological approach followed the following steps; first a thorough information retrieval regarding bearings and analysis was conducted. The search was deepened around areas such as hybrid ball bearings, bearing failure mechanisms, bearing defect frequencies, signal analysis and condition monitoring. After this a table for bearing damage detection was developed and a “step by step” guidance for condition monitoring. The tools where afterwards verified by simple testing to detect complications within the chosen system. The existing condition monitoring system that is used today revealed weaknesses as it lacked the feature of taking preventive measures. The system that is based on temperature measurements isn’t satisfactory enough, especially when it’s missing visual clarity. Service and maintenance according to specifications from the manufacturer should be scheduled to ensure operational and guarantees. Currently mounted accelerometers on the housing of the Dynas3 engine should be connected for collecting data and the total sum of energy should be calculated for simple monitoring of historical progression. This should be done by following the guidance in order to ensure proper data acquisition. The best way to implement condition monitoring showed to be by performing multi-parameter monitoring. The design of the condition monitoring system is highly connected to what to monitor and at what stage. One main consideration to keep in mind is that it’s very rare that manufacturing defects are the reason for bearing failure. Instead it derives from improper storage, transport, handling or dimensional errors and even in some cases by improperly implemented force analysis prior to bearing selection.
Huvudämnet som behandlas i detta examensarbete syftar till att förbättra service och underhåll på keramiska kullager i en viss testdynamometer och genom ett ingenjörsmässigt tillvägagångsätt utveckla verktyg för tillståndsövervakning. Företaget som är ansluten till detta examensarbete är AVL som är världens största privatägda företag för utveckling, simulering och testteknik för drivlinor för personbilar, lastbilar och stora motorer. Motorprovning är en viktig del av verksamheten vid AVL Sverige, och ett oväntat lagerhaveri kan leda till långa reparationstider och stora ekonomiska förluster på grund av utebliven test tid. I korta termer följde den metod som använts följande steg, först genomfördes en grundlig informationssökning om lager och tillhörande analyser. Efter det fördjupades sökande kring områden som hybrida kullager, lagerskademekanismer, frekvenser kopplade till lagerskador, signalanalys och tillståndsövervakning. Efter detta framställdes en tabell för detektering av lagerskador, samt en ”steg för steg” guide för tillståndsövervakning. Verktygen för tillståndsövervakning kontrolleras efteråt, genom att enkla tester genomfördes för att upptäcka komplikationer inom det valda systemet. Det övervakningssystem som används idag avslöjade svagheter genom att sakna funktionen att vidta förebyggande åtgärder. System som är baserat på temperaturmätningar är inte tillräckligt tillfredsställande, speciellt när det saknar en visuell tydlighet. Den service och underhåll som enligt tillverkarens föreskrifter påvisas bör planeras för att säkerställa drift och garantier. Nuvarande monterade accelerometrar fästa vid motorhöljet bör anslutas för att insamla data, och den totala summan av energin bör beräknas för en enkel övervakning av det historiska utvecklingsförloppet. Detta bör göras genom att följa de riktlinjer som framställts för att säkerställa korrekt datainsamling. Det bäst passande sättet att genomföra tillståndsövervakning på i detta fall visade sig vara att utföra multiparameterövervakning. Framställningen av tillståndsövervakningssystemet är starkt förknippat med vad som skall övervakas och i vilket skede. En huvudsaklig bidragande faktor att komma ihåg är att det är mycket ovanligt att fabrikationsfel är orsaken till lagerhaveri. Istället härstammar haveriet från felaktig förvaring, transportering, hantering eller dimensioneringsfel och i vissa fall av felaktigt genomförd kraftanalys inför lagerval.
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GERMANO, SERGIO BRAGANTINE. "METROLOGICAL RELIABILITY OF THE DYNAMOMETRIC BENCH FOR ENGINE TESTING OF CTEX." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2013. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=23215@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO
INSTITUTO MILITAR DE ENGENHARIA
CENTRO TECNOLÓGICO DO EXÉRCITO
Nesta dissertação buscou-se avaliar metrologicamente um banco de ensaios dinamométricos específico, utilizado para analisar a eficiência de motores, lubrificantes e combustíveis, por meio de métodos de comparação dos valores medidos com valores padrões. As grandezas mensuradas foram: velocidade de rotação do eixo de um motor, torque neste eixo, temperaturas e pressões no motor e no dinamômetro, elemento que atua como freio do motor para proporcionar uma simulação das condições reais de trabalho. Foi necessário utilizar dois métodos distintos para avaliação de cada uma das grandezas mensuradas. Foram mensuradas velocidades do motor funcionando e velocidades simuladas, tanto inferiores como superiores às velocidades de operação do motor, determinando os limites superior e inferior de resposta do sistema de medição. Para avaliar a medição de torque, foram produzidos torques conhecidos (padrão), correlacionados com torques medidos no motor funcionando. Temperaturas foram produzidas por um banho termostático, mensuradas com equipamentos calibrados e em seguida comparadas com as indicadas pelo sistema de medição, sendo também utilizado um método simulador de informações de temperaturas, chegando a ser simuladas de -200 graus Celsius a 650 graus Celsius. Pressões foram geradas por uma bomba de pressão padrão e lidas pelo sistema de medição, sendo detectado funcionamento inapropriado de 2 canais. Os resultados de cada grandeza foram tratados estatisticamente sendo validadas suas utilizações nos cálculos executados. Confirmadas estatisticamente as validades dos resultados, as incertezas de medição foram calculadas, sendo utilizadas também informações dos certificados de calibração dos equipamentos usados nas medições realizadas. Sugestões foram apresentadas para que melhoria sejam incrementadas ao sistema de medição que demonstrou estar funcionando de forma satisfatória, apresentando, no entanto, algumas oportunidades de melhorias.
This work intended to evaluate, metrologically, a specific bench of dynamometric tests, used to analyze the efficiency of engines, lubricants and fuels, through methods that compare the measured values with standards. The measured quantities were: rotation speed of the engine shaft, torque on this same shaft, temperature and pressure of both engine and dynamometer, element that acts as the engine brake so it can simulate a real work condition. It was necessary to use two different methods to evaluate each measured quantity. It was measured the working engine speed and simulated speeds, both higher and lower than the engine operating speeds, establishing the higher and the lower limits of the measurement system. To evaluate the torque measurement, known torques (standards), were produced, and related to the measured torques in the working engine. Temperatures were produced by a thermal bath, measured with calibrated equipment, and then compared with the temperatures indicated by the measuring system, being also used a simulated method for temperatures information, with a range of simulation between -200 Celsius degrees and 650 Celsius degrees. The pressures were created by a standard pressure pump and read by the measuring system, being detected an inappropriate operation of 2 channels. The results were treated statistically, being validated the utilizations on the executed calculations. Having been statistically confirmed the validity of the results, the measurement uncertainties were calculated, being also used the information from the equipment calibration certificate. Suggestions were presented so that improvemenst can be made to the Measuring System.
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Vévoda, Antonín. "Modernizace brzdového stanoviště pro spalovací motory." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229645.

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The content of this thesis is the proposal of modernization of brake site in engine testing cell of Institute of Automotive Engineering. The main part focuses on the design of individual components for attaching the motorcycle engine Husaberg FE 570. Finally, work is the preparation of the measuring head to determine and optimize the performance parameters of the test engine.
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McDonnell, Gavin Thomas. "The design, development and testing of a turbine hydraulic dynamometer." Thesis, Queen's University Belfast, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287447.

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Josefsson, Eric, and Henrik Henningsson. "A Study of Small Engine Testing." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Maskinteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-28155.

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Today the environmental issues are a lot on the agenda and the environmental awareness are more and more common. New laws and restrictions on engines emissions are enforced and the demand on the engines gets higher and tougher. This leads to the engine testing playing a more crucial part than ever. Engine tests are done using an engine dynamometer. The dynamometer loads the engine by, in many different ways, absorbing the power and torque generated by engine. The most important functions of a dyno are to convey the power from the engine to the dyno, to load the engine, to measure the power and torque generated by the engine and to remove the excess heat that is generated.  Husqvarna is a Swedish company that produces garden and forest cutting tools, their most famous products are their chainsaws. Husqvarna does an extensive amount of engine testing, long time testing, functional testing and field testing. Some functional tests, such as start-ability after use is done in a climate chamber where the humidity and temperature can be set. Today, loading a chainsaw in -25 °C is a problem due to the fact that the most used dynamometer at Husqvarna is a water brake that freezes in minus degrees. This master thesis will answer the question on how to, for small engine, simulate the load that occurs during normal use of the engine and how to develop a dynamometer suitable for Husqvarna’s needs? The focus when developing the dynamometer will lie on solving the problem with minus degrees and having a good detachable coupling between the dyno and the chainsaw. The result is a hydraulic oil dynamometer. A hydraulic pump is attached to the guide bar and chainsaw using a detachable key way coupling and bearings. By controlling restriction of the flow in the hydraulic system the load can be controlled and also ultimately the RPM of the chainsaw. The hydraulic oil works fine in the minus degree as long as the right oil with the right viscosity range is used although a problem with the small chainsaws are that they are not reaching the full RPM in -25 °C. Mainly because of the backpressure created by the components in the system. This can be solved by minimizing the hydraulic systems total flow restriction.   However this problem doesn’t affect the testing methods as long as the chainsaw easily can be disconnected and freed from the dynamometer and then be run to full RPM which the coupling between the pump and chainsaw enables.
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Jamonet, Laurent 1978. "Testing of a microrocket engine turbopump." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/8129.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2002.
Includes bibliographical references (p. 191-194).
Advances in microfabrication suggest its application to rocket engines. A MEMS thrust chamber producing 50 N of thrust at design point was previously developed that requires propellants pressurized as high as 300 atmospheres. Hence the need for turbopumps at the MEMS scale. A demonstration microturbopump approximately 20x20x6mm in size was designed and built using silicon microfabrication technology. Nitrogen and deionized water are used as operating fluids in the turbine and in the pump respectively. The design speed is 750,000 RPM, with a 23 atmospheres pump pressure rise, and an overall 30% turbomachinery efficiency. This thesis addresses the key points of the turbopump design, modelling, fabrication, and testing. A 3D CFD simulation of the pump was run and performance predicted. Cavitation risk was shown to be small. A fabrication process flow was set up and continuously improved using the feedback from experiments. Non-destructive fabrication inspection methods were introduced. A test rig and a packaging were built, on which 13 turbopumps have been tested, 8 of them spinning. The maximum speed reached was 100,000 RPM without pump loading, and 65,000 RPM with pump loading. Structural concerns have been addressed. Rotordynamics issues have been investigated. Pumping tests were performed and have paved the way toward an effective pressure rise. The innovative rotor arrangement with coplanar pump and turbine was validated. Dual phase operation involving water and nitrogen as running fluids was achieved successfully.
by Laurent Jamonet.
S.M.
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Kenny, Wilhelm Jordaan. "Development of an engine testing facility for spark ignition engine fuels." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/80043.

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Thesis (MScEng)--Stellenbosch University, 2013.
ENGLISH ABSTRACT: This thesis comprises of the development of a facility were spark ignition engine fuels can be tested. Development of the facility included the installation of a standard spark ignition engine, an engine dynamometer, control and monitoring equipment, control and monitoring software, and an in-cylinder pressure measurement setup. The system was tested using petrol as well as a petrol-ethanol blend. The results indicated good accuracy and repeatability of the system. Analysis of the performance and combustion of the petrol-ethanol blend showed no significant difference in comparison to the petrol fuel. The petrol-ethanol blend showed a slight increase in oxygen content and fuel consumption as well as an increase in CO2 emissions and a decrease in CO emissions. During the project, a comparison was also made between the performance of fibre optic transducers and a piezoelectric transducer. It was found that the fibre optic transducers performed similarly to the piezoelectric transducer during low engine load conditions. At high load conditions however, the fibre optic transducers were not able to produce the same accuracy as the piezoelectric transducer.
AFRIKAANSE OPSOMMING: Hierdie tesis bestaan uit die ontwikkeling van 'n fasiliteit waar brandstowwe vir 'n vonkontsteking binnebrandenjin getoets kan word. Ontwikkeling van die fasiliteit sluit in die installering van 'n standaard vonkontsteking binnebrandenjin, 'n enjin rem, beheer en monitering toerusting, beheer en monitering sagteware, en 'n insilinder drukmeting opstelling. Die fasiliteit is getoets met suiwer petrol sowel as 'n petrol-etanol mengsel. Die resultate het hoë vlakke van akkuraatheid en herhaalbaarheid getoon. Ontleding van die werksverrigting en verbranding van die petrol-etanol mengsel het geen beduidende verskil getoon in vergelyking met die suiwer petrol brandstof nie. Die petrol-etanol mengsel het 'n effense toename in suurstofinhoud, brandstofverbruik, sowel as CO2 vrylating en 'n afname in CO vrylating getoon. Tydens die projek is 'n vergelyking getref tussen die akkuraatheid van optiese vesel drukmeters en 'n piësoëlektriese drukmeter. Daar is bevind dat die akkuraatheid van die optiese vesel drukmeters soortgelyk is aan die piësoëlektriese drukmeter gedurende lae enjin lastoestande. By hoë las omstandighede was die optiese vesel drukmeters egter nie in staat om dieselfde akkuraatheid as die piësoëlektriese drukmeter te handhaaf nie.
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Charouz, Ondřej. "Metody korekce výkonových parametrů vznětového motoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378135.

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This diploma thesis deals with obtaining the most suitable way of correcting the influence of intake air pressure, temperature and humidity as well as correcting the influence of fuel properties (diesel fuel). These correction factors are adapted to a specific engine for military use. It is a four-stroke, diesel, turbocharged, 6-cylinder engine, PV6-K37, with a displacement of 19100 cm3. This work also deals with the creation of a methodology for the measurement of this motor at the engine station and with the treatise on current methods of power correction. The measurements were made in the premises of Excalibur Army Ltd. in Šternberk.
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Books on the topic "Testing of the engine on dynamometr"

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GmbH, MAHLE. Pistons and engine testing. Edited by Ewald Schmitt and Elisabeth Lange. Wiesbaden: Vieweg+Teubner Verlag, 2012.

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Anthony, Martyr, ed. Engine testing: Theory and practice. Oxford: Butterworth-Heinemann, 1995.

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International Symposium on Engine Coolants and Their Testing (1997 Scottscdale, AZ). Engine coolant testing : fourth volume. Edited by Beal Roy E and ASTM Committee D-15 on Engine Coolants. West Conshoshocken, Pennsylvania: ASTM, 1999.

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Plint, M. A. Engine testing: Theory and practice. 2nd ed. Boston, Mass: Butterworth Heinemann, 1998.

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Symposium, on Engine Coolant: Development Testing and Use (1991 Scottsdale Ariz ). Engine coolant testing, third volume. Philadelphia, PA: ASTM, 1993.

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Anthony, Martyr, ed. Engine testing: Theory and practice. 2nd ed. Warrendale, PA: Published on behalf of Society of Automotive Engineers, 1999.

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Anthony, Martyr, ed. Engine testing: Theory and practice. 2nd ed. Oxford: Butterworth-Heinemann, 1999.

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Beal, RE, ed. Engine Coolant Testing: Third Volume. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 1993. http://dx.doi.org/10.1520/stp1192-eb.

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Beal, RE, ed. Engine Coolant Testing: Fourth Volume. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 1999. http://dx.doi.org/10.1520/stp1335-eb.

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Plint, M. A. (Michael Alexander), ed. Engine testing: Theory and practice. 3rd ed. Oxford: Butterworth-Heinemann, 2007.

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Book chapters on the topic "Testing of the engine on dynamometr"

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Martyr, A. J., and M. A. Plint. "Dynamometers." In Engine Testing, 227–58. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-08-096949-7.00010-8.

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Martyr, Anthony J., and David R. Rogers. "Chassis dynamometers, rolling roads and hub dynamometers." In Engine Testing, 265–302. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-12-821226-4.00010-3.

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Plint, Michael, and Anthony Martyr. "Choosing the right dynamometer." In Engine Testing, 100–115. Elsevier, 1995. http://dx.doi.org/10.1016/b978-0-7506-1668-3.50012-4.

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Plint, Michael, and Anthony Martyr. "Coupling the engine to the dynamometer." In Engine Testing, 116–35. Elsevier, 1995. http://dx.doi.org/10.1016/b978-0-7506-1668-3.50013-6.

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Martyr, A. J., and M. A. Plint. "Coupling the engine to the dynamometer." In Engine Testing, 170–96. Elsevier, 2007. http://dx.doi.org/10.1016/b978-075068439-2/50012-8.

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Martyr, A. J., and M. A. Plint. "Chassis or rolling road dynamometers." In Engine Testing, 368–94. Elsevier, 2007. http://dx.doi.org/10.1016/b978-075068439-2/50021-9.

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Martyr, A. J., and M. A. Plint. "Chassis or Rolling-Road Dynamometers." In Engine Testing, 451–82. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-08-096949-7.00017-0.

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Martyr, A. J., and M. A. Plint. "Dynamometers and the measurement of torque." In Engine Testing, 144–69. Elsevier, 2007. http://dx.doi.org/10.1016/b978-075068439-2/50011-6.

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Martyr, Anthony J., and David R. Rogers. "Dynamometers: the measurement and control of torque, speed, and power." In Engine Testing, 235–63. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-12-821226-4.00009-7.

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"Engine testing." In Pistons and engine testing, 115–269. Wiesbaden: Vieweg+Teubner Verlag, 2012. http://dx.doi.org/10.1007/978-3-8348-8662-0_7.

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Conference papers on the topic "Testing of the engine on dynamometr"

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Thompson, Gregory J., Nigel N. Clark, Richard J. Atkinson, Zac Luzader, Frances L. VanScoy, Vic Baker, and Jesse Chandler. "Development of an Interface Method for Implementing Road Grade in Chassis Dynamometer Testing." In ASME 2004 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/icef2004-0896.

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Mobile source emissions inventory data from heavy-duty on-road vehicles are traditionally obtained using three methods: engine dynamometer, chassis dynamometer, or in-use vehicle driving. Engine dynamometer testing provides for the greatest control and highest accuracy but requires the most time and can be cost prohibitive when obtaining emissions from many in-use engines. In-use emissions collection is a relatively inexpensive and rapid method of obtaining real-world data, but this method is relatively new and is not regulated by any Federal or international regulations as of yet and accuracy of the data from these devices has not been established. Chassis dynamometer-based testing provides for the means of obtaining a large sample of data from in-use vehicles in a controlled environment. However, existing chassis dynamometer cycles assume a level road surface with no grade. In a chassis dynamometer test cycle, a simple line trace is used to represent the desired vehicle speed on a video monitor for the driver to follow. A second line trace is overlaid on the first to indicate the actual vehicle speed on the dynamometer and the drive adjusts the vehicle speed to match the scheduled speed as closely as he is able. Experienced chassis dynamometer test drivers are able to look at the desired speed and anticipate the required gearshifts during the testing. However, to account for road grade in a chassis dynamometer test schedule, the driver of the vehicle will require additional cues. Also, drivers may not drive a vehicle while following a trace in the same way that they drive on the road. To implement grade and inject a sense of the real world in a chassis dynamometer test cycle, a virtual reality interface has been developed to employ images of a roadway with feedback between the driver’s performance and the image. As a first step to implementing grade, a level road surface using a virtual reality interface was emulated using an in-house developed software package to present images of roadways, including traffic control signals and constraints due to traffic congestion. In the virtual reality execution, the driver perceives the position of the vehicle relative to traffic signals and other traffic cues. An initial investigation into the effect of road grade using the conventional line trace method is shown and then use of the virtual reality approach is compared with the conventional line trace. The results from the study shows that an experienced driver can use the virtual reality interface with similar emission results as the conventional line trace method.
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Souflas, I., A. Pezouvanis, B. Mason, and K. M. Ebrahimi. "Dynamic Modeling of a Transient Engine Test Cell for Cold Engine Testing Applications." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36286.

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The increasing complexity in the development and manufacturing process of internal combustion engines leads to a higher demand for more effective testing and monitoring methods. Cold engine testing becomes progressively the main End-of-Line test which is used nowadays from automotive engine manufacturers with the purpose of determining the integrity of engine assembly. The present work is focused on the development of a detailed physics-based, lumped-parameter, dynamic model of a single cylinder internal combustion engine coupled with an alternating current transient dynamometer for cold engine testing applications. The overall transient engine test cell model is described based on a two-inertia system model consisting of the engine, the dynamometer and the coupling shaft. The internal combustion engine is modelled based on First Law of Thermodynamics and Second Newton’s Law for rotational bodies. The transient dynamometer is actually an alternating current three-phase induction motor which is modelled according to direct-quadrature axis approach, and its drive unit which is responsible for controlling the speed of the motor using indirect field orientation scheme. The engine and dynamometer are connected through a coupling shaft which is modelled as a compliant member with damping. The model is validated against experimental measurements such as engine cylinder pressure, engine excitation torque and alternating currents of the induction motor. All of the experimental measurements were recorded from an identical single cylinder transient engine test cell using a highly advanced instrumentation system. The described model serves as an ideal platform for developing innovative model-based fault detection and diagnosis techniques for cold engine testing applications. In conclusion, this is presented successfully for two simulated fault cases, a process fault and a sensor fault, proving the functionality and usefulness of the model.
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Keller, Gerald H., David A. Shimcoski, and Fred J. Blatz. "Intake Valve Deposit Testing Using an Engine Dynamometer Procedure." In International Fuels & Lubricants Meeting & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1992. http://dx.doi.org/10.4271/922261.

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Vijaykumar, A., V. Prashanth, S. Sreehari, and Sunil Sangappa. "Simulation of Road Vehicle on Engine Test Bed." In ASME 2005 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/icef2005-1285.

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The objective of this paper is to simulate road loads experienced by an automobile during an urban driving cycle on an engine test bed. This is to be achieved through the use of a combined eddy-current dynamometer and flywheel arrangement, to load the IC engine on the test bed, and an automatic throttle control system, which will vary engine power under changing load conditions to obtain the desired speed-time variation. This paper is intended to provide a system which will permit engine testing under realistically simulated urban driving conditions; it seeks to avoid the use of chassis dynamometers for this purpose. The test is conducted on the IC engine/dynamometer set-up, which consists of the Maruti Omni’s 3-cylinder, 796cc, 37bhp (@5000 rpm) petrol engine with drive train coupled with an eddy current dynamometer. The paper consists of the following stages: 1. A driving cycle is defined, corresponding to urban driving conditions and tractive resistances are calculated and provided in the form of a resisting torque applied by the dynamometer on the IC engine, controlled by a microcontroller. 2. Inertial loads are calculated and applied on the IC engine via both the dynamometer and a flywheel, which is attached to the dynamometer mounted on a separately fabricated assembly. 3. Throttle control is achieved using a stepper motor, which is used to modify the existing manual throttle control setup. The stepper motor is operated using a micro controller. An interfacing circuit has been fabricated to allow this and program written is used to control the stepper motor and provide desired throttle positions through the driving cycle. 4. Torque control in the dynamometer is to be achieved by using the ‘external mode’ available on the control panel of the dynamometer. This allows communication of values from a micro controller via a parallel port, digital-analog converter, and driver circuit, in the form of voltages signals, allowing torque control to be achieved.
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Mainville, D., D. Melfi, and M. Whiting. "A Universal Turboprop Engine Dynamometer Test Cell." In ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/91-gt-343.

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Pratt & Whitney Canada produces a wide range of aircraft engines and this has led to a concerted effort to standardize and streamline its production engine test facilities. P&WC produce two very different series of turboprop engines, the PW100 with a conventional intake and exhaust arrangement and the PT6 with its reverse flow arrangement. A dynamometer test cell capable of testing both these engine series has been designed and built at Longueuil and is now in operation. The changeover from one model to the other can be carried out by an operator in less than two hours and requires no special tooling or manpower. This paper discusses the solutions developed to overcome the inherent problems of intake and exhaust arrangement, engine mounting, slave equipment requirements etc. generated by testing two very different families of engines in the same test cell coupled with the need to incorporate the efficiency and ease of operation required of a production facility.
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Kirk, R. Gordon, John Sterling, Ryan Utara, Gray Biggins, David Hodge, Stephen Johnson, Jason Dean, et al. "Diesel Engine Turbocharger Rebuild and Experimental Testing." In ASME/STLE 2007 International Joint Tribology Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ijtc2007-44417.

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The objective of the 2006–07 Virginia Tech Turbocharger Project was to obtain and analyze vibrations data from different bearing designs. The supporting tasks were divided amongst various sub-teams; a turbocharger team, an engine test operating team, a dynamometer team, and an ADRE software team. The turbocharger team has successfully developed a procedure for disassembly and reassembly of the turbocharger. A consistent and well-documented assembly procedure has ensured turbocharger operation free from human error. Consistency in the rebuild process is vital to properly compare vibration data with the different shaft bearings. The most important aspect of this reassembly is the torque applied to the tie-bolt nut. This torque causes the tie-bolt to stretch, and this stretch must be accounted for because it is a measure of preload force on the compressor wheel. The team designed and made a stand to carefully apply this torque on the tie-bolt nut without creating a bending moment. The original stock bearings were used for the first turbocharger rebuild to see if the rebuild procedure would lead to similar data. Two other bearings have been tested and analyzed. This paper will give a brief overview of the results to date.
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Lemieux, Patrick, C. Dennis Moore, and Andrew Nahab. "Performance Measurement and Analysis of Vertical Shaft V-Twin Engines, and Comparison With Horizontal Engines of the Same Model Class." In ASME 2012 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icef2012-92055.

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Over the past two years, we have conducted two experimental test series aimed at examining typical performance of gasoline V-twin engines in the 25 hp class, and the suitability of assumed mechanical efficiency in correcting observed measurements. We used engines manufactured by Honda, Kawasaki, Kohler, and Subaru (Robin). The tests were conducted at the Engines Laboratory of the California Polytechnic State University, San Luis Obispo (Cal Poly). The Kohler engines are fuel injected while the others three are carbureted. We tested twenty-eight engines in total. The first series of tests included four horizontal shaft engines from each of the manufacturers (sixteen in total), and followed the general guidelines of SAE standard J1349-199506. This paper reports primarily on the subsequent series of twelve engine tests, which included vertical shaft engines of an equivalent family (and displacement class), from three of the original manufacturers: Honda, Kawasaki and Kohler. All three engines have roughly the same engine speed range (2000–4000), and all three reportedly reach peak power at 3600rpm. This is typical of small engines, which may be used to drive small generators in addition to being installed on other equipment. Vertical shaft engines are typically tested on a vertical shaft dynamometer, or one that converts from a horizontal to vertical position. However, these dynamometers are typically either of the water brake or eddy current type. They cannot motor the engine, and thus cannot measure friction mean effective pressure (FMEP) directly, which is the preferred method to quantify friction and mechanical efficiency for engine testing. However, testing vertical shaft engines on a horizontal shaft motoring dynamometer requires an angled gear drive to mate the engine to the dynamometer, and thus adds a loss that complicates the accurate measurement of FMEP and brake output. We present here results using a simple method with which our measurements can be corrected for this loss, in tests of this sort. The study thus expands on our previous results, and shows the extent by which engine to engine variations are affected by shaft configurations, within a given model family, and within similar offerings by different manufacturers. We also analyzed our results to contrast the methodology of SAE J1349-199506 with that of the updated J1349-201109, specifically with respect to using an assumed value of mechanical efficiency to characterize FMEP and correct dynamometer data on small, general utility engines.
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Walke, P. V., and N. V. Deshpande. "Testing of New Catalyst for Compression Ignition Engine Exhaust Treatment." In ASME 2005 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/icef2005-1277.

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Testing of catalytic converter with exhaust gas recirculation system for diesel engine to reduce pollute gases is chosen for present work. The emphasis is given on hydrocarbon (HC), carbon monoxide (CO) and oxides of nitrogen. The catalytic converter was developed with variations of catalyst plates. Perforated plates of copper and combination of copper oxide and cerium oxide (CeO2 +CuO2) were used as the catalyst. Copper spacer is used in between plates to vary the distance. Secondary air was injected into the converter to aid oxidization of HC and CO. Experimental study was carried out on computerized kirloskar single cylinder four stroke (10 B.H.P, 7.4 KW) diesel engine test rig with an eddy current dynamometer. The converter was tested with various combination of the exhaust gas re-circulation (EGR) system. There are some improvements in the reduction and conversion efficiency of HC & CO. Exhaust gas recirculation has proved to be effective in reducing NOx.
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Akc¸a, Serdar, Serdar Demir, Ian Pennington, and Okan Ataman. "Engine Durability Test Cycle for Heavy-Duty Engines." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-25174.

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Dynamometer durability testing plays a very important role in engine design verification process as it is still the most reliable method to ensure the product quality before starting mass production. To ensure that the new engine as designed and manufactured will perform in a manner that increases customer satisfaction, the stresses present in the dynamometer durability test has to be representative of those an engine will meet in customer usage. Thus, it is an important task to derive proper test cycles for dynamometer tests as they should definitely be correlated to customer usage in order not to under/over-test the subject. Customer-Correlated General Durability (CCGD) test, which targets system-to-system interactions rather than component-specific or subsystem-specific failure modes, is developed in this manner. In current CCGD cycles used in engine companies, state speed/load residencies reflecting the overall lifetime driving of the engine of concern is taken into account with randomized ramp-up and ramp-down stages to cover transient driving conditions. The cycle creation method can be divided into two phases: Data Collection & Data Analysis. Also there are two types of data used: Vehicle Data & Customer Field Data to obtain real world customer usage profile.
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Krosschell, Brian D., Stephen J. Klick, and John J. Moskwa. "Engine Start Simulation on an Engine Transient Test System: Hardware and Controls." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43054.

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The goal of this research is to use a hydrostatic transient dynamometer combined with new control techniques to replicate multi-cylinder engine dynamics which occur while the engine is started by an electric starting system. The transient engine dynamometer test system in the Powertrain Control Research Laboratory (PCRL) uses a torque tube and extremely stiff driveline in order to provide a very high bandwidth of torque actuation. The design and nature of this low inertia, stiff system requires that a standard electrical starting system be omitted. One of the objectives of this research was to assemble a new engine on the hydrostatic dynamometer and model the starting dynamics which occur during an engine cold start. The other objective was to verify and compare data collected by the PCRL and Ford to validate testing. This information will then be used in support of development of a cold start testing procedure on the single-cylinder engine transient test system in the PCRL.
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Reports on the topic "Testing of the engine on dynamometr"

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Tobin, K., M. Cates, D. Beshears, J. Muhs, G. Capps, D. Smith, W. Turley, et al. Engine testing of thermographic phosphors. Office of Scientific and Technical Information (OSTI), May 1990. http://dx.doi.org/10.2172/6781610.

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Kalish, Y. Engine testing of ceramic cam-roller followers. Office of Scientific and Technical Information (OSTI), April 1992. http://dx.doi.org/10.2172/7238378.

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Sen, Koushik, Darko Marinov, and Gul Agha. CUTE: A Concolic Unit Testing Engine for C. Fort Belvoir, VA: Defense Technical Information Center, January 2005. http://dx.doi.org/10.21236/ada482657.

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Aaron Koopman. DEVELOPMENT AND TESTING OF A PRE-PROTOTYPE RAMGEN ENGINE. Office of Scientific and Technical Information (OSTI), July 2003. http://dx.doi.org/10.2172/826018.

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Etemad, Shahrokh, Benjamin Baird, Sandeep Alavandi, and William Pfefferle. Industrial Gas Turbine Engine Catalytic Pilot Combustor-Prototype Testing. Office of Scientific and Technical Information (OSTI), April 2010. http://dx.doi.org/10.2172/1051563.

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Kalish, Y. Engine testing of ceramic cam-roller followers. Final report. Office of Scientific and Technical Information (OSTI), April 1992. http://dx.doi.org/10.2172/10168867.

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Cuellar, Leticia. Uncertainty Quantification of Hypothesis Testing for the Integrated Knowledge Engine. Office of Scientific and Technical Information (OSTI), May 2012. http://dx.doi.org/10.2172/1042989.

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Unkeless, Susie. ALCAN Can-Do: Advanced Propulsion Development Engine Nails First-Round Testing. Fort Belvoir, VA: Defense Technical Information Center, April 2003. http://dx.doi.org/10.21236/ada414585.

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Ramgen Power Systems. DEVELOPMENT AND TESTING OF A PRE-PROTOTYPE MACH 2 RAMGEN ENGINE. Office of Scientific and Technical Information (OSTI), September 2001. http://dx.doi.org/10.2172/799768.

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Denton, Mark. Direct Injection 4.3L Propane Engine Research Development and Testing (Final Technical Report). Office of Scientific and Technical Information (OSTI), October 2018. http://dx.doi.org/10.2172/1494792.

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