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Journal articles on the topic 'Internal combustion engines – Combustion – Testing'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Paladiychuk, Yuriy, and Inna Telyatnuk. "INCREASING THE EFFICIENCY OF TECHNOLOGIES AND TECHNICAL MEANS OF QUALITY CONTROL RESTORATION OF SMALL-SIZED ENGINES." ENGINEERING, ENERGY, TRANSPORT AIC, no. 1(112) (March 21, 2021): 137–51. http://dx.doi.org/10.37128/2520-6168-2021-1-15.

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Mechanization of labor on small farms and individual farms is a very important issue of modern agriculture. The use of small agricultural machinery with a capacity of up to 16 kW is quite relevant today. Small-sized machinery is divided into: small 4-wheeled tractors, 2-wheeled motoblocks, cultivators, machines and equipment. With the help of this technique perform various agricultural and other types of work in crop production, horticulture, gardening on small plots, livestock and more. Despite its rather small size, small equipment also has various mechanisms that fail over time. Most often,

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Иншаков, Aleksandr Inshakov, Байков, Dmitriy Baykov, Десяев, and Sergey Desyaev. "STAND FOR RUNNING AND TESTING OF LOW POWER MOBILE FARM MACHINERY ENGINES." Bulletin Samara State Agricultural Academy 1, no. 2 (2016): 51–53. http://dx.doi.org/10.12737/18699.

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The purpose of research is to improve the quality of production and repair internal low-power mobile farm combustion engines. To achieve this goal it was suggested to carry out running and testing the engines of small tools and equipment in specialized economical braking stands. The design of such stand, consisting of internal combustion engine, connected crank shaft with asynchronous electric machine with wound rotor, connected to the three-phase network, and matrix converter frequency included in the three-phase electrical network and consisting of nine bidirectional transistor switches, whi

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ИНШАКОВ, А. П., И. А. УСПЕНСКИЙ, С. В. ТИМОХИН, И. И. КУРБАКОВ, and М. С. КУРБАКОВА. "IMPROVEMENT OF METHODS AND MEANS OF TESTING AGRICULTURAL TRACTOR ENGINES." VESTNIK RIAZANSKOGO GOSUDARSTVENNOGO AGROTEHNOLOGICHESKOGO UNIVERSITETA IM P A KOSTYCHEVA, no. 4(48) (December 29, 2020): 98–107. http://dx.doi.org/10.36508/rsatu.2020.48.4.014.

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Проблема и цель. В настоящее время работы по разработке новых и модернизации выпускаемых дизелей не представляются возможными без проведения лабораторных испытаний, в ходе которых на стендах получают различные характеристики двигателей, проводят настройку и оптимизацию систем ДВС. В этой связи исследования, направленные на повышение эффективности испытания ДВС путем совершенствования методов и средств испытания, использования ПК и современных программных комплексов, являются несомненно актуальными. Таким образом, целью исследования является совершенствование методов и средств испытания трактор

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Osipov, K. N., E. L. Pervukhina, and Yu L. Rapatskii. "Improving the acceptance testing of internal-combustion engines." Journal of Machinery Manufacture and Reliability 41, no. 6 (2012): 499–505. http://dx.doi.org/10.3103/s1052618812060106.

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Mejía R., Antonio, and Luis Lastra E. "INFLUENCIA DE LAS MEZCLAS DIESEL BIODIESEL EN EL COMPORTAMIENTO DE LOS PARÁMETROS EFECTIVOS Y MEDIOAMBIENTALES DE UN MOTOR DE COMBUSTIÓN INTERNA DIESEL DE 6,11 KW." Revista Cientifica TECNIA 27, no. 1 (2018): 15. http://dx.doi.org/10.21754/tecnia.v27i1.121.

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Este trabajo de investigación se realizó en el Instituto de Motores de Combustión Interna de la Facultad de Ingeniería Mecánica de la Universidad Nacional de Ingeniería en la ciudad de Lima, con la finalidad de evaluar la influencia de las mezclas Diésel biodiesel B10, B20 y B30 en el comportamiento de los parámetros efectivos y medioambientales de un motor de combustión interna Diésel de 6,11 kW. Los resultados obtenidos con las mezclas Diésel biodiesel y el combustible comercial B5, luego de las mediciones realizadas en el motor, permiten obtener y graficar las características de velocidad y

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Marudhappan, Raja, Chandrasekhar Udayagiri, and Koni Hemachandra Reddy. "Combustion chamber design and reaction modeling for aero turbo-shaft engine." Aircraft Engineering and Aerospace Technology 91, no. 1 (2018): 94–111. http://dx.doi.org/10.1108/aeat-10-2017-0217.

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Purpose The purpose of this paper is to formulate a structured approach to design an annular diffusion flame combustion chamber for use in the development of a 1,400 kW range aero turbo shaft engine. The purpose is extended to perform numerical combustion modeling by solving transient Favre Averaged Navier Stokes equations using realizable two equation k-e turbulence model and Discrete Ordinate radiation model. The presumed shape β-Probability Density Function (β-PDF) is used for turbulence chemistry interaction. The experiments are conducted on the real engine to validate the combustion chamb

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Likhanov, V. A., and O. P. Lopatin. "Methodology of research and testing of internal combustion engines." IOP Conference Series: Materials Science and Engineering 919 (September 26, 2020): 032011. http://dx.doi.org/10.1088/1757-899x/919/3/032011.

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DZIUBIŃSKI, Mieczysław, Artur DROZD, Paweł KORDOS, and Arkadiusz SYTA. "Diagnosing the automobile starting system." Combustion Engines 170, no. 3 (2017): 19–23. http://dx.doi.org/10.19206/ce-2017-303.

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This article presents a new method for analysing the torque of an internal combustion engine using registered electromechanical runs and magnetic field distribution in a starter. The aim of the study was to develop a model of the starting current of an internal combustion engine and carry out verification tests on real objects. The developed model allows to simulate the shutdown of individual cylinders. Experimental research was conducted using the Bosch FSA 740 equipment for four internal combustion engines under variable operating conditions. During testing, the starting current and relative

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Salikhov, R. F., V. N. Kuznetsova, and V. V. Dubkov. "Expert assessment results anaylisys of machines power units in winter conditions." Russian Automobile and Highway Industry Journal 17, no. 5 (2020): 550–61. http://dx.doi.org/10.26518/2071-7296-2020-17-3-550-561.

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Introduction. The implementation of production and technological processes of machines on the vast territory of the Russian Federation is related to the necessity to operate them in low temperatures conditions. The article presents the results of the applied scientific research of the factors that have a negative impact on the operation process of internal combustion engines at low ambient temperatures. The use of the modern methods and means of diagnostics of the cylinder-piston group and the crank- engine mechanism make it possible to reliably establish the causes of the internal combustion

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Stover, L., B. Piriou, C. Caillol, et al. "Direct use of biomass powder in internal combustion engines." Sustainable Energy & Fuels 3, no. 10 (2019): 2763–70. http://dx.doi.org/10.1039/c9se00293f.

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Lus, Tomasz. "Application of HFRT Methods to Diagnose the Technical Condition of High-Speed Marine Diesel Engines." Solid State Phenomena 236 (July 2015): 161–68. http://dx.doi.org/10.4028/www.scientific.net/ssp.236.161.

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The paper presents problems related to testing of the technical condition of high-speed marine diesel engines that are not equipped with indicated valves, as it is in the case of larger medium-and low-speed marine internal combustion engines. In this case, in assessment of technical condition of engine fuel injection system and valve gear system a vibration signals (in time / angle domain) analysis modified method called HFRT (High Frequency Resonance Technique) can be used. This method indirectly helps also to evaluate the fuel combustion process in the engine cylinders. The paper presents th

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Stężycki, P., M. Kowalski, A. Jankowski, and Z. Sławinski. "Laser Research of the Fuel Atomization Process of Internal Combustion Engines." Science & Technique 19, no. 1 (2020): 34–42. http://dx.doi.org/10.21122/2227-1031-2020-19-1-34-42.

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The paper presents test methods (mechanical, electrical and optical) for the fuel spray research in combustion engines. Optical methods, imaging and non-imaging can be used in laboratory and engine tests. Imaging methods include flash photography and holography. Their use is limited to testing droplet dimensions larger than 5 µm. Imaging methods have an advantage over non-imaging ones because they allow the droplet to be seen at the point and time where its measurement is required. Non-imaging methods can be divided into two groups: the first, which counts and measures, individual droplets one

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CHAVDAROV ANATOLIY V., ANATOLIY V., and VYACHESLAV A. DENISOV VYACHESLAV A. "PROSPECTS OF USING MICROARC OXIDATION TECHNOLOGY FOR INTERNAL COMBUSTION ENGINES." Agricultural engineering, no. 5 (2020): 38–42. http://dx.doi.org/10.26897/2687-1149-2020-5-38-42.

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microarc oxidation (MAO) technology. The authors reveal an engine development tendency to replace cast-iron blocks and liners with aluminum ones with special coatings obtained by electroplating methods. It is noted that this method does not involve the use of repair technologies, which signifi cantly aff ects consumer costs. The paper shows the prospects of using MAO technology both in the manufacturing of engine parts and restoration operations. To assess the eff ectiveness of the proposed technology, practical study was performed on covering the working part of the cylinder used in small-siz

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Arora, Nidhi, and Swati Mehta. "Air fuel ratio detector corrector for combustion engines using adaptive neuro-fuzzy networks." An International Journal of Optimization and Control: Theories & Applications (IJOCTA) 3, no. 2 (2013): 85–97. http://dx.doi.org/10.11121/ijocta.01.2013.00152.

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A perfect mix of the air and fuel in internal combustion engines is desirable for proper combustion of fuel with air. The vehicles running on road emit harmful gases due to improper combustion. This problem is severe in heavy vehicles like locomotive engines. To overcome this problem, generally an operator opens or closes the valve of fuel injection pump of locomotive engines to control amount of air going inside the combustion chamber, which requires constant monitoring. A model is proposed in this paper to alleviate combustion process. The method involves recording the time-varying flow of f

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Prażnowski, Krzysztof, Andrzej Bieniek, Jarosław Mamala, and Adam Deptuła. "The Use of Multicriteria Inference Method to Identify and Classify Selected Combustion Engine Malfunctions Based on Vehicle Structure Vibrations." Sensors 21, no. 7 (2021): 2470. http://dx.doi.org/10.3390/s21072470.

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Internal combustion engines are among the most commonly used propulsion units for drive systems in various industries such as land transportation, maritime transportation, and power generation. Their operation involves a continuous change of technical condition as a result of not only the combustion process but also their operation under conditions of variable load or ambient impact. It is therefore important to monitor the technical condition of internal combustion engines to ensure high performance and reliability over their lifetime. The article presents the test results obtained from incor

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KOLODZIEJ, Christopher, and Thomas WALLNER. "Combustion characteristics of various fuels during research octane number testing on an instrumented CFR F1/F2 engine." Combustion Engines 171, no. 4 (2017): 164–69. http://dx.doi.org/10.19206/ce-2017-427.

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The Cooperative Fuels Research (CFR) engine is the long-established standard for characterization of fuel knock resistance in spark-ignition internal combustion engines. Despite its measurements of RON and MON being widely used, there is little understanding of what governs the CFR octane rating for fuels of various chemical compositions compared to primary reference fuels (iso-octane and n-heptane). Detailed combustion characteristics were measured on a highly instrumented CFR F1/F2 engine during RON testing of fuels with significantly different chemical composition. The results revealed diff

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S. Kapitonov, Sergei, Sergei Y. Grigorovich, Sergei A. Medvedev, and Ivan I. Kurbakov. "Diagnosis of internal combustion engine based on mechanical noise." International Journal of Engineering & Technology 7, no. 2.2 (2018): 9. http://dx.doi.org/10.14419/ijet.v7i2.2.9889.

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The work of sensors is investigated in the article when they are used to detect malfunctions of automobile engines by the method of analyzing noise spectrum. The method of diagnostics of internal combustion engines for noise and vibration has been developed. This method allows to determine the fault at an early stage in a short period of time (the diagnostic process takes 5-10 minutes). The proposed solution allows to reduce the degree of influence of the human factor. Such an approach to diagnostics makes it possible to determine a huge number of faults due to the use of modern computer techn

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Pesic, Radivoje, Aleksandar Davinic, and Stevan Veinovic. "New engine method for biodiesel cetane number testing." Thermal Science 12, no. 1 (2008): 125–38. http://dx.doi.org/10.2298/tsci0801125p.

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Substitution of fossil fuels with fuels that come from part renewable sources has been a subject of many studies and researches in the past decade. Considering the higher cost and limits of production resources, a special attention is focused on raising the energy efficiency of biofuel usage, mainly through optimization of the combustion process. Consequently, in biofuel applications, there is a need for determination of auto-ignition quality expressed by cetane number as a dominant characteristic that influences combustion parameters. The fact that the method for cetane number determination i

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Maza Rubina, Arturo, and Lastra Espinoza Luis. "APLICACIÓN DE UN PROGRAMA DE CÁLCULO TÉRMICO PARA COMPROBAR EL FUNCIONAMIENTO DE UN MOTOR DIESEL PERKINS MODELO C4.236.V - GASODIESEL MEDIANTE ANÁLISIS COMPARATIVO." Revista Cientifica TECNIA 24, no. 2 (2017): 56. http://dx.doi.org/10.21754/tecnia.v24i2.41.

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Este trabajo de investigación, se realizó en la ciudad de Lima y trata, sobre el desarrollo y aplicación de un programa en base al cálculo térmico; para determinar los parámetros de funcionamiento del motor de combustión interna de uso automotriz mediante la simulación de los distintos procesos que tienen lugar en los motores, los cuales permiten establecer los índices previsibles del ciclo de funcionamiento de un motor de combustión interna de tipo gasodiesel (GLP+D2). El desenvolvimiento del cálculo térmico, con respecto al comportamiento del motor trabajando como gasodiesel, es validado y c

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Akl, Sayed, Sherif Elsoudy, Ahmed A. Abdel-Rehim, Serag Salem, and Mark Ellis. "Recent Advances in Preparation and Testing Methods of Engine-Based Nanolubricants: A State-of-the-Art Review." Lubricants 9, no. 9 (2021): 85. http://dx.doi.org/10.3390/lubricants9090085.

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Reducing power losses in engines is considered a key parameter of their efficiency improvement. Nanotechnology, as an interface technology, is considered one of the most promising strategies for this purpose. As a consumable liquid, researchers have studied nanolubricants through the last decade as potential engine oil. Nanolubricants were shown to cause a considerable reduction in the engine frictional and thermal losses, and fuel consumption as well. Despite that, numerous drawbacks regarding the quality of the processed nanolubricants were discerned. This includes the dispersion stability o

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Tutunea, Dragos, Ilie Dumitru, Oana Victoria Oţăt, Laurentiu Racila, Ionuţ Daniel Geonea, and Claudia Cristina Rotea. "Oxygen Sensor Testing for Automotive Applications." Applied Mechanics and Materials 896 (February 2020): 249–54. http://dx.doi.org/10.4028/www.scientific.net/amm.896.249.

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During the operation of internal combustion engines the air-fuel ratio (A/F) is an important parameter which affects fuel consumption and pollutant emissions. The automotive oxygen sensor (Lambda) measures the quantity of residual oxygen in the combustion gases. Sensor degradation in time due to the exposure to high temperatures causes a distortion in controlling the A/F with the increase in gas emissions. In this paper an experimental stand is designed to test oxygen sensor degradation in laboratory condition. Four oxygen sensors were tested function of temperature and time recording their va

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Байков, A. Baykov, Иншаков, and A. Inshakov. "PROSPECTS OF APPLICATION OF FREQUENCY CONVERTERS MATRIX TYPE AT THE STAND FOR RUNNING AND TESTING AUTOMOTIVE ENGINES." Alternative energy sources in the transport-technological complex: problems and prospects of rational use of 2, no. 1 (2015): 76–78. http://dx.doi.org/10.12737/13853.

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Dömötör, Ferenc, and József Zoltán Szabó. "Vibration diagnostics as an effective tool for testing engines of internal combustion." Production Engineering Archives 16 (October 2017): 3–6. http://dx.doi.org/10.30657/pea.2017.16.01.

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Nagy, Péter, and Ibolya Zsoldos. "Gasoline Particulate Filter Accelerated Aging Processes - a Literature Review." Acta Technica Jaurinensis 13, no. 4 (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 combust

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L. da Silva, R., M. M. Vieira, and S. X. De Brito Jr. "TWO-STROKE ENGINE BEHAVIOR (SMALL CHAINSAW) OPERATING WITH NON-COMMERCIAL FUEL BLENDS AND DIVERSE LUBRICATION." Revista de Engenharia Térmica 14, no. 2 (2015): 23. http://dx.doi.org/10.5380/reterm.v14i2.62128.

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The paper presents results for experimental tests in a two-stroke internal combustions engine operating on commercial fuel (gasoline and ethanol blends), with different proportions in mineral oil for lubrication purposes. Appropriate instrumentation was used to carry out the measurement of the quantities of interest, namely fuel consumption (g/s), angular velocity (rpm) and emissions (CO2 and NOx). The methodology was based on regulations from INMETRO (motor vehicles energy conversion efficiency) and ABNT (testing of internal combustion engines). Results obtained are analyzed and discussed for

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Monieta, Jan. "The use of thermography in the diagnosis of ship piston internal combustion engines." MATEC Web of Conferences 182 (2018): 01027. http://dx.doi.org/10.1051/matecconf/201818201027.

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The intensity of infrared radiation emitted by objects depends mainly on their temperature. One of the diagnostic signals may be the temperature field. In infrared thermography, this quantity is used as an indicator of the technical condition of marine objects. The article presents an overview of the use of infrared thermography for the diagnosis mainly of marine piston floating objects and various types of reciprocating internal combustion engines as well as examples of own research results. A general introduction to infrared thermography and common procedures for temperature measurement and

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Panțuru, Marius, Daniela Chicet, Constantin Paulin, Ștefan Lupescu, and Corneliu Munteanu. "Microstructural Aspects of TBC`s Deposited on Internal Combustion Engine Valve Materials." Materials Science Forum 907 (September 2017): 151–56. http://dx.doi.org/10.4028/www.scientific.net/msf.907.151.

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The discs of the intake or exhaust valves are vital organs of internal combustion engines, being subjected to extreme operating conditions, thermal, mechanical and chemical types. One of the goals of researches in this area is related to thermal insulation of the combustion chamber of internal combustion engines, which could enhance their performance in operation. In this article we analysed the microstructural aspects of some coatings obtained from powders with thermal barrier role on specific materials for internal combustion engines valves. There were used as substrate samples of low alloy

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MERKISZ, Jerzy, and Jacek PIELECHA. "Observations from PEMS testing of combustion engines of different applications." Combustion Engines 174, no. 3 (2018): 40–55. http://dx.doi.org/10.19206/ce-2018-305.

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The article compares data obtained in road tests with the latest legislative proposals relating to various applications of internal combustion engines. Passenger car emission tests have been performed several times on the same test route in accordance with the RDE procedure guidelines, for which a dozen or so criteria must be met, including the distance of each of the drive sections, their in the drive time and the dynamic characteristics of the drive. The analysis was also based on a two-dimensional operating density characterization, presented in the vehicle speed-acceleration coordinates. A

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Hatat, Nicolas-Ivan, David Chalet, François Lormier, and Pascal Chessé. "Influence of the combustion chamber geometry on the scavenging of a four-stroke internal-combustion engine during the valve overlap period." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 230, no. 14 (2016): 1873–90. http://dx.doi.org/10.1177/0954407015624335.

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The performance of an internal-combustion engine is directly related to the fuel quantity that can react with the oxygen in the air during the exothermic oxidation step, also called combustion. Thus, the amount of fuel introduced is intrinsically linked to the air volume that can be admitted into the cylinder (air filling of the cylinder). Hence keeping the air in the cylinder is one of the most important concepts to predict in simulations. Nevertheless, the phenomenon of air filling depends on many parameters. Also, the discharge coefficients, and the impact of the piston presence near the va

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Kowalski, Mirosław, and Antoni Jankowski. "Advantages of using composite alloys for internal combustion engine pistons." Archives of Transport 55, no. 3 (2020): 85–94. http://dx.doi.org/10.5604/01.3001.0014.4236.

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Combustion engine pistons are subject to variable mechanical and thermal loads, and to variable deformations. The article presents the possibilities of using novel composite alloys for the construction of pistons for combustion engines. The novel alloys make it possible to meet high demands, especially for highly load designs, which practically cannot be met by conventional alloys used so far. These high requirements relate to the weight of the pistons, high temperature strength, alloy crystalline structure, abrasive wear resistance, dimensional stability. The requirements for pistons have an

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ATKINS, Richard. "A century of high performance engine testing." Combustion Engines 123, no. 4 (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 e

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Huleihil, Mahmoud. "Optimal Stroke Path for Reciprocating Heat Engines." Modelling and Simulation in Engineering 2019 (January 2, 2019): 1–9. http://dx.doi.org/10.1155/2019/7468478.

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By testing piston motion in reciprocating heat engines as a control variable, one could find piston trajectories, different from the conventional near sinusoidal motion that should increase power production. This results from minimizing frictional losses. The purpose of this study is to determine piston trajectories that are optimal for noncombustion strokes in reciprocating engines, in the sense of minimizing frictional dissipation and hence maximizing efficiency and power. The optimal piston traces for noncombustion strokes are determined by using a combination of optimal control theory and

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Pszczółkowski, Józef. "Mechanical features of the combustion engine electric starting system." AUTOBUSY – Technika, Eksploatacja, Systemy Transportowe 19, no. 6 (2018): 661–68. http://dx.doi.org/10.24136/atest.2018.152.

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Engine crankshaft driving by the starter is characterised as a diagnostic process. The article discusses the working conditions of the electric starter when driving the engine crankshaft in terms of the equilibrium of the engine resistance torque and the moment of force generated by starting system. The resistance sources in the internal combustion engine were characterized and factors influencing them were discussed, its components and dependencies allowing for their determination were indicated. The variability of the engine resistance torque in the cycle of its operation as well as the vari

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Mrdja, Predrag, Nenad Miljic, Slobodan Popovic, and Marko Kitanovic. "Continuous slow dynamic slope approach for stationary base internal combustion engine mapping." Thermal Science 24, no. 1 Part A (2020): 147–58. http://dx.doi.org/10.2298/tsci190308171m.

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Engine control optimization, with its always growing complexity, is in permanent focus of engine researchers and developers all over the world. Automotive engines are dominantly used in dynamic conditions, but generally, steadystate operating points are used for building up mathematical models which are later subject to the numerical optimization. For this purpose, a large amount of steadystate regimes needs to be evaluated through experimental work at the engine test stand, which is an extremely time and funds consuming process. Consequently, the methodology for data gathering during engine d

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Dziubak, Tadeusz, and Mateusz Borchet. "Study of properties of nonwoven filter cartridges for the intake air of a car engine." Bulletin of the Military University of Technology 66, no. 2 (2017): 147–68. http://dx.doi.org/10.5604/01.3001.0010.1895.

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The sources of atmospheric air pollution are presented. It has been shown that dust is a major component of the intake air of internal combustion engines. The impact of dust on the accelerated wear of the engine components and the influence of T-P-C system wear on engine operation were analysed. The parameters of the air filters are described and defined. The properties of nonwovens and papers, of which filters used in the filtration intake air internal combustion engines of motor vehicles are made, were analysed. Conditions and methodology for testing nonwoven air filter cartridge for passeng

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Đorđić, Dragiša, Milan Milotić, Zoran Ćurguz, Slavko Đurić, and Tihomir Đurić. "Experimental Testing of Combustion Parameters and Emissions of Waste Motor Oil and Its Diesel Mixtures." Energies 14, no. 18 (2021): 5950. http://dx.doi.org/10.3390/en14185950.

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The production of hydrocarbon fuel from waste engine oil is an excellent way to produce alternative fuels. The aim of the research in this paper is obtaining fuel with a mixture of waste engine oil (WMO) and diesel fuel that can be used as an alternative fuel for internal combustion engines and low power heat generators. With this goal in mind, tests were conducted to estimate the combustion parameters and emissions at a low heat output of 40 kW. Waste motor oils (WMO) and four of its diesel mixtures were used, varying in weight from 20% WMO to 50% WMO. Test results were analysed and compared

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Leitāns, Armands, Guntis Spriņģis, and Jānis Rudzītis. "Oil Additive Testing Equipment." Environment. Technology. Resources. Proceedings of the International Scientific and Practical Conference 1 (August 6, 2015): 145. http://dx.doi.org/10.17770/etr2013vol1.815.

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Automobile industry annually is to reduce harmful emissions into the environment. Anti-friction oil additives in automotive internal combustion engines is one way fight against friction losses which result from fuel economy, which in turn reduces the amount of harmful emissions vehicle exhaust. Assessment of the effectiveness of oil additives need to tribologycal properties for further analysis. For the purpose of this research is carried out in a variety of major friction equipment design studies, evaluating their properties and create an experimental facility with the assistance possible to

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SZYMAŃSKI, Grzegorz, and Franciszek TOMASZEWSKI. "Experimental method for the selection of points of measurement diagnostic vibration signals on internal combustion engine." Combustion Engines 150, no. 3 (2012): 72–79. http://dx.doi.org/10.19206/ce-117035.

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The diagnostic testing of internal combustion engine can be made by using working processes and methods which take advantage of leftover processes. Working processes give information about general condition of internal combustion engine. Leftover processes give information about condition of particular subassemblies and kinematic couples; hence they are used as autonomous processes or as processes supporting other diagnostic methods. Methods based on analysis of vibrations and noise changes to determine technical condition of object are named as vibroacoustic diagnostics. In papers about vibro

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Vasil'ev, G. L., N. I. Ivanov, and A. N. Pereyaslavskii. "An electrohydraulic multichannel stand for testing internal combustion engine blocks." Strength of Materials 19, no. 2 (1987): 277–80. http://dx.doi.org/10.1007/bf01523519.

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Mansha, M., A. R. Saleemi, Badar M. Ghauri, and Naveed Ramzan. "Development and testing of a detailed kinetic mechanism of natural gas combustion in internal combustion engine." Journal of Natural Gas Chemistry 19, no. 2 (2010): 97–106. http://dx.doi.org/10.1016/s1003-9953(09)60039-6.

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Lai, Fuqiang, Shengguan Qu, Haidi Qin, et al. "A comparison of wear behaviour of heat-resistant steel engine valves and TiAl engine valves." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 234, no. 10 (2019): 1549–62. http://dx.doi.org/10.1177/1350650119872093.

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The increasing demand for higher performance internal combustion engines has led to higher temperatures in the combustion chamber. As a result, TiAl valves have been investigated with a view to their use in a natural gas fuelled diesel internal combustion engine, taking advantage of their low density and good high-temperature resistance. In this work, comparison bench tests for traditional steel valves and TiAl valves were carried out through the use of specially designed wear testing apparatus. Compared to the traditional valves made from heat-resistant steel (X60, X85), the TiAl valves have

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Dziubak, T. "Material Properties Analysis with Addition of Nanofibres for Air Intake Filtration in Internal Combustion Engines." International Journal of Automotive and Mechanical Engineering 18, no. 1 (2021): 8621–36. http://dx.doi.org/10.15282/ijame.18.1.2021.21.0656.

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The aim of this study is to provide an experimental properties evaluation of a standard filter material (cellulose) and materials with fiber layer addition with small diameters (nanofibers). Filter media, including cellulose, used in the internal combustion engine inlet air filtration are made of high diameter fibres, approx. 15 µm. Significantly higher separation and filtration efficiency performance are obtained for materials with lower fibre diameters (nanofibres), however, at the expense of a significantly higher pressure drop, affecting the engine performance. Filter media manufacturers m

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Romero-Piedrahita, Carlos, Andrés Rodriguez-Valencia, and Mauricio Monroy-Jaramillo. "Ensamble e instrumentación de un banco didáctico para pruebas de arranqueenmotores de combustión interna." Revista UIS Ingenierías 19, no. 3 (2020): 37–48. http://dx.doi.org/10.18273/revuin.v19n3-2020004.

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La medición instantánea de velocidadangular en volantes de inerciase ha usado,entre otras aplicaciones, enpruebas experimentales de motores de combustión interna para diagnosticar fallas, particularmentese ha implementado para evaluarlas curvas de desempeño de motores de arranque y el estado inicial de las baterías. El presente artículose enfoca en el desarrollo de un banco de pruebas didáctico basado en volante para realizar el diagnostico de desempeño de motores de arranquehasta de 3 kW, arrancadoreseléctricosde motores de combustión interna de hasta 3 litros de cilindrada, propios de automó

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Mrva, Matúš, Pavol Pecho, Michal Hrúz, Iveta Škvareková, and Martin Bugaj. "Experimental state of thrust testing of aircraft reciprocating internal combustion engine." AEROjournal 16, no. 2 (2020): 15–18. http://dx.doi.org/10.26552/aer.c.2020.2.3.

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The project “Experimental State of Thrust Testing of Aircraft Reciprocating Internal Combustion Engine” is aimed at creating a complex measuring device in order to obtain selected characteristics and parameters of the engine using different types of propellers. In addition to the basic measured parameters such as. thrust, temperature, speed and fuel flow will be a state of the art to test the latest prototype propellers designed for aircraft models. After its construction, the experimental state will be used as a study aid for testing various types of conventional as well as currently develope

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Tempelhagen, Robin, Andreas Gerlach, Sebastian Benecke, Kevin Klepatz, Roberto Leidhold, and Hermann Rottengruber. "Investigations for a Trajectory Variation to Improve the Energy Conversion for a Four-Stroke Free-Piston Engine." Applied Sciences 11, no. 13 (2021): 5981. http://dx.doi.org/10.3390/app11135981.

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Internal combustion engines with a crankshaft have been successfully developed for many years. They are lacking in the fact that the piston trajectory, i.e., position as a function of time, is limited by the crankshaft motion law. Position-controlled electric linear machines directly coupled to the piston allow to realize free-piston engines. Unlike the crankshaft-based engines, they allow for a higher degree of freedom in shaping the piston trajectory, including adaptive compression ratios, which enables optimal operation with alternative fuels. The possibility of adapting the stroke course r

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Sadykov, M. F. "AUTOMATED MULTIFUNCTIONAL INSTALLATION FOR THE RESEARCH, DEVELOPMENT AND TESTING OF INTERNAL COMBUSTION ENGIN." Proceedings of the higher educational institutions. ENERGY SECTOR PROBLEMS 20, no. 9-10 (2019): 138–45. http://dx.doi.org/10.30724/1998-9903-2018-20-9-10-138-145.

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At present, testing and tuning of electronic engine control systems is a long and laborious process, since it is necessary to fulfill all safety requirements, ensure power and environmental parameters and fuel efficiency of the engine being developed. The article describes a multifunctional automated installation for tuning up an electronic control system, speeding up the calibration and modification of algorithms for electronic control systems of an internal combustion engine, and to work off reactions to occurring malfunctions.

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Ponomarenko, Anatoliy, Vitaliy Dudnik, Nadiia Afanasieva, and Mikhail Boiko. "Stand testing of energy saving motor oil in the internal combustion engine." MATEC Web of Conferences 133 (2017): 01005. http://dx.doi.org/10.1051/matecconf/201713301005.

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SZYMAŃSKI, Grzegorz, and Wojciech MISZTAL. "Analysis of measurement points sensitivity of vibration signals on the stand of jet engine." Combustion Engines 171, no. 4 (2017): 279–82. http://dx.doi.org/10.19206/ce-2017-448.

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The diagnostic testing of internal combustion engine can be made by using working processes and methods which take advantage of leftover processes. Working processes give information about general condition of internal combustion engine. Leftover processes give information about condition of particular subassemblies and kinematic couples; hence they are used as autonomous processes or as processes supporting other diagnostic methods. Methods based on analysis of vibrations and noise changes to determine technical condition of object are named as vibroacoustic diagnostics. In papers about vibro

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Feng, Ke, Xiao Ming Meng, Xiao Long Wang, and Guo Liang Lu. "Design of State Monitoring System of Internal Combustion Engine Based on Serial Bus." Applied Mechanics and Materials 80-81 (July 2011): 591–95. http://dx.doi.org/10.4028/www.scientific.net/amm.80-81.591.

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This paper introduces a type of control and test system for internal combustion engine based on Serial bus and virtual instrument technique. It consists of host and intelligent node, with parameter signals communication through RS485 serial bus to form a distributed high-precision status parameters controlling testing system. The host computer implements the user interaction, data storage, status monitoring, power measurement and computation as well as management. The client unit reads the commands of host, controls the rotation speed of engine and excitation current, detects all the parameter

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Krasnyy, V. A., Vyacheslav V. Maksarov, and D. D. Maksimov. "Improving the Wear Resistance of Piston Rings of Internal Combustion Engines when Using Ion-Plasma Coatings." Key Engineering Materials 854 (July 2020): 133–39. http://dx.doi.org/10.4028/www.scientific.net/kem.854.133.

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Modern designs of piston rings of internal combustion engines and wear-resistant coatings used for them are considered. It is noted that the upper (compression) ring undergoes the most intense wear. Among the traditionally used wear-resistant coatings of compression rings, galvanic chrome plating and thermal spraying with molybdenum are most often used. The paper proposes the use of the ion-plasma spraying method for applying hard wear-resistant coatings to the working surface of piston rings based on titanium and molybdenum nitrides. The specified method relates to vacuum coating technologies

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