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Dissertations / Theses on the topic 'Fuel Injection Pressure'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Watson, Cody. "Modeling of pressure transients in fuel injection lines." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/16869.

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2

Källkvist, Kurt. "Fuel Pressure Modelling in a Common-Rail Direct Injection System." Thesis, Linköpings universitet, Fordonssystem, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-70264.

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The fuel pressure is one of the central control variables of a modern common-rail injection system. It influences the generation of nitrous oxide and particulate matter emissions, the brake specific fuel consumption of the engine and the power consumption of the fuel pump. Accurate control of the fuel pressure and reliable diagnostics of the fuel system are therefore crucial components of the engine management system. In order to develop for example control or diagnostics algorithms and aid in the understanding of how hardware changes affect the system, a simulation model of the system is desi

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3

Pearce, Daniel. "Pressure waves and cavitation in diesel fuel injection rate characterisation." Thesis, Imperial College London, 2017. http://hdl.handle.net/10044/1/55898.

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To meet stringent control and emissions requirements, diesel fuel injectors need to be characterised accurately in terms of timing and rate of change of mass flow rate. Such characterisation is carried out with various rate metering devices which overwhelmingly utilise a liquid into liquid injection process. These devices have historically been hampered by unwanted 'noise' in the measurement signal whose source was poorly understood and mitigation relied on post processing filtering techniques. A model of a constant volume metering device with optical access was constructed and a hybrid schlie

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4

McNaught, PL. "Low pressure fuel injection of a two-stroke cycle spark ignition engine." Thesis, University of Cape Town, 1986. http://hdl.handle.net/11427/23297.

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5

Basara, Adis [Verfasser]. "Evaluation of High Pressure Components of Fuel Injection Systems Using Speckle Interferometry / Adis Basara." Aachen : Shaker, 2007. http://d-nb.info/1166512509/34.

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6

Pettersson, Eric. "Modelling of high-pressure fuel system for controller development." Thesis, Uppsala universitet, Avdelningen för beräkningsvetenskap, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-386130.

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This master thesis treats the modelling of a common-rail direct fuel injection system where pressure generation is decoupled from the injection process. It has been shown that the fuel pressure plays a vital role for the general performance of the engine, affecting both emissions and efficiency, and it is carefully regulated to achieve optimal performance at different operating points. In an attempt to facilitate the development of the responsible control algorithms, a simulation framework has been requested. A model describing the complete work cycle of the high-pressure fuel system is develo

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7

Glaad, Gustaf. "Pressurizing of high-pressure fuel system forsingle cylinder test cell." Thesis, Karlstads universitet, Institutionen för ingenjörsvetenskap och fysik (from 2013), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-74432.

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This master thesis covers the development of a high-pressure fuel system for compression ignitedfuels such as diesel and diesel-like fuels that will be deployed into a single cylinder test cell at AVLMTC Södertälje, Sweden. The test cell is used by AVL to conduct research and testing of new fuelsfor their customers and this new fuel system will widen the span of fuels able to be tested by theequipment.This thesis focuses on pumping and pressurizing of the fuel, ensuring that all ingoing materialsare non-corrosive in this environment and compatible with the necessary fuels and lastly a safetyan

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8

Lamiel, Quentin. "Analysis of spray-wall impingement, fuel film spreading and vaporisation for reciprocating engine applications." Thesis, Toulouse, INPT, 2019. http://www.theses.fr/2019INPT0092/document.

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Le transport routier est responsable d’une partie des émissions de polluants sur la planète. Conscient de ce problème, des lois sur les émissions des véhicules sont régulièrement votées afin de réduire l’impact environnemental du transport automobile. Ces lois de plus en plus restrictives ont poussé les fabricants automobiles à réduire la taille des moteurs essence et à utiliser des procédés d’injection directe afin d’augmenter le ratio puissance/volume des moteurs et réduire la consommation. Cependant avec l’utilisation de l’injection directe, de nouveaux problèmes apparaissent, notamment la

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9

ZHANG, TANTAN. "Design of innovative solutions for high-pressure fuel injection systems, optimization of measuring techniques for injected flow-rate and modeling of 1D flows." Doctoral thesis, Politecnico di Torino, 2020. http://hdl.handle.net/11583/2843978.

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10

Lawrence, Jacob David. "Design and development of a high pressure ED95 fuel delivery system for a single cylinder test cell engine." Thesis, KTH, Fordonsdynamik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-286351.

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Bio-fuels, being the primary alternative to the fossil fuels, used in the internal combustion engines are subjected to constant development. The development of alternative Ethanol Diesel (ED95) formulations at AVL Motortestcenter AB has demanded a test facility capable of evaluating the combustion quality of these specimens. A test cell capable of evaluating fuels operating on the compression ignition concept was required for this reason. The aim of this thesis is to develop a high pressure fuel delivery system for a single cylinder test cell engine. The literature review conducted offered kno

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11

PIZZO, PIETRO. "Development of diagnostic and predictive hydraulic system models validated on the basis of an innovative high-pressure flowmeter." Doctoral thesis, Politecnico di Torino, 2016. http://hdl.handle.net/11583/2651557.

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The instantaneous flow-rate in high-pressure pipelines of fluid power systems can be predicted by means of refined numerical models, the performance of which should be validated extensively against experimental pressure transients. However, such an approach in complex hydraulic systems can require an advanced modelling of the hydraulic, mechanical and electronic components and can therefore be cumbersome and ineffective. Experimental analysis is valuable to support the fast and complete evaluation of integrated electronic-hydraulic power systems, i.e., reciprocating pumps equipped with sophis

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12

Matheis, Jan [Verfasser], Nikolaus A. [Akademischer Betreuer] Adams, Stefan [Gutachter] Hickel, and Nikolaus A. [Gutachter] Adams. "Numerical Simulation of Fuel Injection and Turbulent Mixing Under High-Pressure Conditions / Jan Matheis ; Gutachter: Stefan Hickel, Nikolaus A. Adams ; Betreuer: Nikolaus A. Adams." München : Universitätsbibliothek der TU München, 2018. http://d-nb.info/1164590731/34.

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13

BOCCARDO, GIULIO. "Experimental and numerical investigation of a high boost and high injection pressure Diesel engine concept for heavy duty applications." Doctoral thesis, Politecnico di Torino, 2018. http://hdl.handle.net/11583/2709722.

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The upcoming European Stage V emissions regulation for Non-Road Heavy Duty Diesel Engines will force OEMs to adopt Diesel Particulate Filters, adding a further degree of complexity to the aftertreatment system, which in several cases already includes specific devices for NOx reduction. Since complex aftertreatment systems can rise packaging problems as well as reliability issues, a project in collaboration with Kohler, Politecnico di Torino, Ricardo and Denso, has been carried out to explore the feasibility of a Stage V compliant SCR-free architecture for a 90kW Non Road Diesel engine. To this

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14

Andrén, Filip, and Olav Borgström. "Common Rail - En bränslebesparingsstudie : – En utvärdering av ett nyinstallerat bränsleinsprutningssystem på isbrytaren Ymer." Thesis, Linnéuniversitetet, Sjöfartshögskolan (SJÖ), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-50558.

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Följande studie är gjord på uppdrag av Sjöfartsverket. I studien undersöktes hur en installation av ett Common Rail-system ombord på isbrytaren Ymer påverkat bränsleförbrukningen samt utsläppen av kväveoxider. Rådata som loggats ombord på Ymer har analyserat och bearbetat. Material och information från tillverkare, besättning samt teknisk chef på Sjöfartsverket, Albert Hagander har använts under studien. Tillsammans med uppmätta mätdata och tidigare gjord litteraturstudie stöds resultaten i studien. Det är ingen slump att system av Common Rail-typ redan är tillämpat inom de flesta branscher så

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15

Strouhal, Pavel. "Aplikace vysokotlakého palivového systému na vznětový motor." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-254441.

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This diploma thesis is focused on examining the development of a diesel tractor engine with a newer injection system, concretely common-rail system. Mainly it is about the application of the high pressure fuel pump, fuel rail and injectors. With regard to the used components are appropriate adjustments made on the engine, and then checked using the available calculations. Brief mention is given to the theoretical summary of the contemporary state of applied injection system and its development trend. Selecting adjustments is primarily based on observed operating load. However, it is also striv

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16

Kotze, Johan. "A comparative study on the performance of biodiesel in a modern 1.9L turbo diesel engine." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4293.

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Thesis (MScEng (Mechanical and Mechatronic Engineering))--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: This thesis comprises of the testing and evaluation of a modern diesel engine running on both biodiesel and mineral diesel on the upgraded Bio-fuels Testing Facility (BTF) at Stellenbosch University. The project was motivated by the need to install a modern diesel engine onto the existing BTF test rig for biodiesel testing. In this project, the BTF was re-designed to support a new Volkswagen 1.9L TDI engine. The capabilities of the BTF were then expanded further by the implementatio

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17

Bernardinello, Martina. "Optimization of a high performance engine GDI Wet System and its control via virtual analysis and experimental tests." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24587/.

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This thesis describes a combined 1-D numerical and experimental analysis of a GDI injection system. The aim is to design the GDI injection system to have the minimum injection variability between injectors. This is possible analysing the rail pressure waves that affect the injections. Thanks to a MATLAB numerical code the results coming from a first calibration attempt were compared with experimental data to verify the reliability of the acquired results. They were calculated after specific tests made on the hydraulic test bench developed at Lamborghini. Different configurations were studied

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18

VENTO, OSCAR. "Research on the fluid dynamics of diesel injection systems, design of innovative closed-loop control strategies, assessment of a new flowmeter for high-pressure fluids and 1D modelling of liquid and gaseous flows." Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2927462.

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19

Conley, Nancy Ann. "The dynamics of cavity pressure in thermoplastic injection molding /." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65924.

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20

Milea, Andrei-Silviu. "Experimental investigation of innovative Low NOx / low soot injection systems for spinning combustiοn technology using advanced laser diagnostics". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMIR43.

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Les effets anthropogéniques sur l’environnement posent un défi majeur pour l’industrie aéronautique. Des réglementations de plus en plus strictes et la nécessité de rendre le transport aérien durable orientent les recherches actuelles vers des systèmes propulsifs innovants. Dans ce contexte, Safran Helicopter Engines développe sa technologie brevetée de combustion giratoire (SCT), visant à améliorer les performances des moteurs d’hélicoptères. Déjà implémentée sur le moteur Arrano, cette technologie est davantage optimisée pour réduire significativement les émissions de NOx et de suies. Dans l

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21

Gao, Furong. "The control of cavity pressure throughout the injection molding cycle." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=41594.

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The injection molding process, due to its versatility, cost effectiveness, and ability to produce intricate shapes to tight specifications, is widely used in plastics processing. Mold cavity pressure plays an important role in determining the quality of the molded articles. The dynamic behaviour and control of cavity pressure were studied in this research project. The work deals with all phases of the process: filling, packing, and cooling.<br>A real-time data acquisition and computer control system has been developed to assist the implementation of advanced control techniques for injection mo

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22

Reid, Benjamin A. "An optical investigation of cavitation phenomena in true-scale high-pressure diesel fuel injector nozzles." Thesis, Loughborough University, 2010. https://dspace.lboro.ac.uk/2134/6358.

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Efforts to improve diesel fuel sprays have led to a significant increase in fuel injection pressures and a reduction in nozzle-hole diameters. Under these conditions, the likelihood for the internal nozzle flow to cavitate is increased, which potentially affects spray breakup and atomisation, but also increases the risk of causing cavitation damage to the injector. This thesis describes the study of cavitating flow phenomena in various single and multi-hole optical nozzle geometries. It includes the design and development of a high-pressure optical fuel injector test facility with which the ca

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23

Rafizadeh, Mehdi. "Physically-based dynamic model for the control of cavity pressure in thermoplastics injection molding." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=34433.

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The injection molding process, due to its versatility, cost effectiveness, and ability to produce precise complex articles is widely used in plastics processing. Mold cavity pressure is a good indicator of the processes taking place in the cavity and plays an important role in determining the quality of the molded articles. The dynamic modeling and control of cavity pressure, based on a physically-based approach, is studied in this research project. The work deals with the filling and packing phases.<br>A lumped physically-based model was developed in order to study the behavior of the system.

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24

Abu, Fara Dib I. "Control of nozzle and cavity pressure during filling and packing in thermoplastics injection molding." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75857.

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Thermoplastics injection molding involves plastication followed by the injection of the melt into a cold cavity. Packing is employed to compensate for shrinkage due to cooling. Ultimately, the solidified part is ejected from the mold without damage. The successful operation of an injection molding machine requires control of the process variables during each of the consecutive stages in addition to correctly identifying the points of transition from one stage to the next.<br>Pressure and its variation during the injection molding cycle play an important role with regard to productivity, produc

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25

Ma, Yanling. "Fundamental and engineering application studies of pressure-assisted injection forging of thick-walled tubular components." Thesis, University of Strathclyde, 2004. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=23939.

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Fundamental issues and engineering application aspects of Pressure-Assisted Injection Forging (PAIF) of thick-walled tubular components were studied experimentally and analytically. Achievements from this study met its pre-defined goals and are demonstrated with the following facts: Pressurising materials were selected and qualified under six different loading conditions, based on which a simplified configuration for confined compression tests was proposed, and particularly, a unique biaxial testing machine was developed and used satisfactorily. The test data were subsequently used to establis

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26

Hu, Nao. "An investigation into the characteristics and optimisation of a high-pressure common rail injection system." Thesis, University of Strathclyde, 2017. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=28810.

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The primary aim of this research was to predict the emissions and fuel savings when replacing a mechanical fuel oil injection system with a high pressure common rail one. The work in this study consists of two parts. In the first part, a novel routine is proposed for the optimisation of electronic fuel injectors and their dynamic response, including the needle valve opening delay and the needle valve closing delay (The needle valve opening delay refers to the delay between the control signal being trigged and the needle valve being fully open; the needle valve closing delay refers to the delay

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27

Ledier, Constantin. "Application de la LIF de molécules aromatiques au dosage de carburants fossiles et biocarburants." Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00661595.

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Les industries automobile et aéronautique sont confrontées dans le futur proche à une raréfaction des carburants fossiles, ainsi qu'au problème de pollution de l'environnement émis par les systèmes propulsifs. Pour s'affranchir de ces problèmes, l'utilisation de carburants alternatifs censés apporter rendement et préservation de l'environnement, s'est considérablement développée ces derniers temps. Cependant, leurs impacts sur la pollution, consommation et rendement de combustion ne sont toujours pas clairement établis. En particulier, il est nécessaire de quantifier leurs effets sur les phéno

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28

Lai, Jui-Ming, and 賴瑞明. "The Study of effecting Biodiesel Mixed Fuel on Fuel Injection Pressure in a DI Diesel Engine（I）." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/26486226363855771715.

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碩士<br>國立臺北科技大學<br>車輛工程系碩士班<br>92<br>In order to extend the using life of the Premium diesel and reducing the exhaust pollution of the Diesel Engine, this study added bio-diesel into kerosene as the mixed fuel to replace the Premium diesel. Although it had more fuel consumption, about 0.1% than Premium diesel, it could decrease the concentration of Smoke and NOx to 19% and 8%. If we lower the pressure of the fuel injection, it could decrease the fuel consumption and reduce Smoke concentration to original fuel injection pressure about 0.5% and 11%, but it could increase the NOx and HC exhaust de

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29

Cheng-WeiChen and 陳正暐. "Spray Characteristics of the Gasoline-Direct-Injection (GDI) Fuel Nozzle in Pressure Environments." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/40101379058638241138.

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碩士<br>國立成功大學<br>航空太空工程學系碩博士班<br>98<br>Preparation of fuel and air is an important factor in improving combustion process and emission of internal combustion engine. The objective of the present study is to analyze the spray characteristics of injector for GDI engine according to the injection time under ambient pressure conditions. Investigations in the present study are carried out using a mass-production single-hole injector which is manufactured by BOSCH for GDI engine. A pressure chamber with optical access windows was designed and fabricated which can simulate different environmental pres

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30

Lun, Suen Wei, and 孫尉倫. "Study of Fuzzy Control Fuel Injection on High-Pressure Common-Rail Diesel Engine." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/68066856072098602187.

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碩士<br>大葉大學<br>機械與自動化工程學系<br>102<br>The objective of this study is fuzzy control of fuel injection timing and injection pressure corresponding torque and emission for a multi-cylinder four-stroke direct injection common rail diesel engine. From torque and emission experimental data, relationship between emissions, performance and fuel injection are correlated to establish better fuzzy control rules. Experimental data of fuel injection parameters on performance, were simulated to find relations and their effects were analyzed, fuzzy control rules were set to adjust output injection timing and in

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31

PAN, HSIEN TE, and 潘顯德. "Study of Common Rail High Pressure Fuel Injection System for Large Marine Diesel Engine." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/00825578235732651523.

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碩士<br>國立高雄海洋科技大學<br>輪機工程研究所<br>104<br>In response to increasingly tough international environmental regulations and rising oil prices, the development of marine diesel engines, worth exploring in depth for. At present the mainframe manufacturers are mustering their efforts to develop high-performance fuel-efficient, saving energy and environmentally friendly hosts. The heart is the host of the high-pressure fuel injection system, fuel injection performance upgrade if the better to promote as much as possible to achieve complete combustion of fuel, so that more output horsepower can save fuel a

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Trusca, Bogdan. "High pressure direct injection of natural gas and hydrogen fuel in a diesel engine." Thesis, 2001. http://hdl.handle.net/2429/11481.

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Emissions and performance of an HPDI single-cylinder diesel engine fueled by natural gas and by a mixture of hydrogen-natural were investigated. A DDC 1-71 engine with electronic controls was used. Natural gas or hydrogen-natural gas mixture was injected late in the compression stroke after a pilot quantity of a diesel was injected. Engine performance and emissions have been measured over a wide range of parameters: gas injection pressure, engine load, injection delay and mass flow percentages for the gaseous fuels. These results were compared with conventional diesel fueling. The purpose of

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33

Tanin, Konstantin V. "An experimental study of the effects of boost pressure and ultrahigh pressure fuel injection on D.I. diesel emissions and performance." 1999. http://catalog.hathitrust.org/api/volumes/oclc/44539297.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1999.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 103-107).

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Chen, Wang-Chih, and 陳旺枝. "The Study of effecting Soybean Oil Mixed Fuel on Fuel Injection Pressure in a DI Diesel Engine（I） ─ Soybean Oil＋Kerosene ─." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/53852526670653029085.

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碩士<br>國立臺北科技大學<br>車輛工程系碩士班<br>92<br>In order to increase the using time-limit of premium diesel fuel and reduce environmental pollution of exhaust gas emission from a DI Diesel engine , one way is to use Kerosene added with soybean oil as alternative fuel on Diesel engine .It has a lower fuel consumption than that of premium diesel fuel by 0.3% , also reduces about 35% exhaust gas emission concentration . However , it may make NOx increase by 6% in exhaust gas emission . In the case of reducing the fuel injection pressure , the fuel consumption is lower than that of the original operating pres

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35

Hwang, Yin-Lien, and 黃熒煉. "The Study on Fuel Injection Pressure in the DI Diesel Engine on the Blending Fuel of Cottonseed Oil and Light Naphtha." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/5mcc5x.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>93<br>The blending fuel of cottonseed oil 50% and light naphtha 50% is better than the other blending fuel ratio in BSFC and the concentration of exhaust gas emission under the original DI diesel engine. However, when the fuel injection pressure is changed, the experimental results show the BSFC is decreased, but the concentration of exhaust gas emission is not improved in the lower fuel injection pressure than the original. Moreover, when the fuel injection pressure is higher than the original, the concentration of exhaust gas emission can be improved, but the BSFC

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36

Li, Ming-Jhe, and 李明哲. "The Influence of Modification of the Port Fuel Injection Angle and the Injection Pressure on the Spray Characteristics and the Engine Performance." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/40028432187874641769.

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碩士<br>雲林科技大學<br>機械工程系碩士班<br>96<br>This study is performed on a KYMCO SJ25BA 125c.c. 4-strokes air-cooled EFI engine. The spray phenomena inside the intake manifold are acquired by using high speed flash-assisted images taking technology. The spray velocity, penetration, spray angle, and the spray droplet diameter are measured. Two spray angle nozzle adaptor and two spray fuel injection pressure are performed on a handmade 2-D intake manifold channel and the real engine to study these parameters on the engine performance and the exhaust emissions. The study shows the fuel spray has a helica

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Chang, Chin-Fu, and 張金富. "The Study of effecting Premium Diesel Mixed Fuel on Fuel Injection Pressure in a DI Diesel Engine（I）─ Premium Diesel＋Light Naphtha ─." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/67345767008460988246.

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碩士<br>國立臺北科技大學<br>車輛工程系碩士班<br>92<br>On decreasing the exhaust pollution of the transportation ,it is a hurried task to improve the environmental pollution caused by the concentration of smoke from a Diesel engine with a non-common rail fuel injection pressure system. This study added Light Naphtha into premium diesel as the mixed fuel to replace the premium diesel. It had less fuel consumption, about 2.6% than premium diesel, and besides it can decrease the concentration of smoke and NOx to 21.3% and 2.0%. If we lower the pressure of the fuel injection, it can reduce NOx concentration to the o

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Chin, Yung-Huei, and 秦永暉. "The Study of Effecting Soybean Oil Mixed Fuel on Fuel Injection Pressure in a DI Diesel Engine（II）─ Soybean Oil＋Premium Diesel ─." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/06592056522571347936.

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碩士<br>國立臺北科技大學<br>車輛工程系碩士班<br>92<br>All mixed fuels added soybean oil can reduce the exhaust gas concentrations of smoke and / or NOx from a DI Diesel engine . For example , although using the premium diesel added soybean oil as a alternative fuel on a Diesel engine can make the fuel consumption increased by 1.78% compared with using the premium diesel , it can decrease the concentrations of smoke and NOx about 3.15% and 7.9% , respectively . In the case of reducing the fuel injection pressure , the fuel consumption is slightly highter than that of the original operating pressure , but it can

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39

Dai, Ming-Ren, and 戴明仁. "The study on the effects of the performance of diesel engine fuel injection pressure using biodiesel fuel blended with high heat value." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/z4wcb8.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>97<br>Each biodiesel characteristics that made from different bio-materials and processes are different, especially that fuel injection pressure for diesel engine is related to the biodiesel density and kinematic viscosity. And such characters effect engine performance, brake specific fuel consumption(BSFC) and exhaust gas emissions. Thus, high heat value of B20 sun flower oil methyl ester with different fuel injection pressure is operated in this study. The experimental results demonstrated whenever fuel injection pressure is higher than original design, the conce

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Hruby, Eric John. "An experimental investigation of a homogeneous charge compression ingnition engine using low pressure injection and diesel fuel." 2003. http://catalog.hathitrust.org/api/volumes/oclc/53142993.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 2003.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 126-129).

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Yen, Shun-Cheng, and 嚴順政. "The Study on the Effect of the Blending Fuel of Waste Oil Methyl Ester (WOME) on the DI Diesel Engine --- Fuel Injection Pressure." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/69422947689504950061.

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碩士<br>立德管理學院<br>資源環境研究所<br>95<br>The overuse of fossil fuel in the world resulted in facing the energy depletion problem in the future and deteriorating the ecological environment of the earth, and then caused greenhouse and climatical change critically to affect the ecology. Therefore, the problems of global environment pollutions and energy source shortage are respected in the international issues. In order to extend the use life of fossil fuel, many countries are researching the biofuels as alternative energy to disperse the energy supply and reduce the dependence on petroleum. Use the rege

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Tsai, Chiu-Muh, and 蔡秋木. "The Study of Effecting Premium Diesel Mixed Fuel on Fuel Injection Pressure in a DI Diesel Engine(II)─ Premium Diesel＋95 Unleaded Gasoline ─." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/24641038027739591296.

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碩士<br>國立臺北科技大學<br>車輛工程系碩士班<br>92<br>Although the mixed fuel, adding 95 unleaded gasoline into Premium Diesel would increase the concentration of the NOx, it could decrease the fuel consumption and the smoke concentration. If we lower or higher the pressure of the fuel injection in the fuel system of the diesel engine, we couldn't only decrease the fuel consumption and the smoke concentration, but also decrease the concentration of HC. In the result, by using the mixed fuel, adding 95 unleaded gasoline into Premium Diesel, it's good to take a appropriative fuel injection pressure to improve the

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Huang, Bao-Sian, and 黃寶賢. "The Study on the Effect of Using Distilled Waste Fried Oil Methyl Ester (DWOME) Blended Fuel with Different Fuel Injection Pressure in a DI Diesel Engine." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/d25w5m.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>96<br>For decreasing CO2 greenhouse gas emission and reducing the dependence of fossil fuel, it has become a very serious topic in this century. The demand quantity for vegetable fat at the end of 2007 has been approached total production quantity of the year. In order to enhance economic benefits for biodiesel, utilizing its characteristics of high density, kinematic viscosity, oxygen content, and cetane number investigate the effect of fuel injection pressure to engine performance as well as exhaust gas emissions. The experimental results demonstrated, that usin

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Liu, Chung-Chin, and 林忠進. "The Study on the Effect of Fuel Injection Pressure in the DI Diesel Engine on the Blending Fuel of Palm Oil Methyl Ester (POME) with Premium Diesel." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/wpp6g2.

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碩士<br>國立臺北科技大學<br>機電整合研究所<br>94<br>The blending fuel 20% POME with PD (POME20) as compared with the blending fuel of 50% POME with PD not only can reduce the concentration of Smoke and HC, except the slightly higher BSFC and the concentration of NOx, but also can maintain the engine performance as compared with using PD. In addition, the engine performance and exhaust gas emissions are also affected by the fuel-injection pressure of diesel engine. Thus, this study focused on using different fuel-injection pressure to investigate the effects on POME20. Experimental results demonstrated that usi

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Liu, Fa-Wei, and 劉法偉. "The Study on the Effect of Fuel Injection Pressure in the DI Diesel Engine on the Blending Fuel of PalmKernel Oil Methyl Ester (PKME) with Premium Diesel." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/ga2mzg.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>94<br>The blending fuel 20% PKME(Palm Kernel Oil Methyl Ester) with PD (PKME20) not only maintain mostly the engine performance as compared with using PD expect the slightly higher BSFC, but also improve the exhaust gas emissions as compared with using the blending fuel of 50% PKME with PD, Additionally, the engine performance, BSFC and exhaust gas emissions are also affected by different fuel injection pressure. Thus, this study focused on using different fuel injection pressure to investigate how much affection on diesel engine. Experimental results demonstrated t

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Chang, Shih-Chieh, and 張世傑. "The Study on the Effect of Fuel Injection Pressure in the DI Diesel Engine on the Blending Fuel of Rapeseed Oil Methyl Ester (ROME) with Premium Diesel." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/f398xe.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>94<br>The blending fuel (ROME20) which is blended by 20% ROME (Rapeseed Oil Methyl Ester) with PD can obtain the engine performance equally as compared ROME. Furthermore, it has the lowest BSFC and its concentration of exhaust gas emissions also reasonable. Because the engine performance, the BSFC and exhaust gas emissions are affected by the fuel-injection pressure of a diesel engine. Thus, this study focused on using different fuel-injection pressure to investigate how much affection to diesel engine. Experimental results demonstrated that using lower fuel-injecti

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Syu, Chang-Hua, and 許昌華. "The Study on the Effect of the DI Diesel Engine Performance Using Waste Oil Methyl Ester Blended Fuel with Different Injection Pressure." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/xcc6ws.

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碩士<br>國立臺北科技大學<br>車輛工程系所<br>97<br>Kinetic viscosity and density of Waste Oil Methyl Ester is higher than others edible vegetable oil, the research used WOME20 at DI Diesel Engines with Biodiesel Waste Oil Methyl Ester at different Fuel Injection Pressure, according to the Engine Performance shows that the lower Fuel Injection Pressure will improve Concentration of Exhaust Gas Emission, BSFC 5%、smoke 15% and HC 16%. Not only improve the Concentration of Exhaust Gas Emission but also lower the temperature about 0.5%, Engine Performance will be risen, but the NOx in Concentration of Exhaust Gas i

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ŠINDELÁŘ, Jan. "Posouzení provozu motorových vozidel se vznětovými motory využívajícími systém přímého vstřikování paliva Common-Rail." Master's thesis, 2015. http://www.nusl.cz/ntk/nusl-203321.

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This diploma thesis deals with the Common-Rail fuel system. The aim of this work is to develop an overview of development of the fuel-injection system. The first part is devoted to the description of the selected fuel system. All the parts of the system are described and explained there. Also the explanation of the management of the injection is included. Subsequently, other variants of the fuel system are described here. Further parts focuse on the diagnostic instruments and measuring emissions, also operational materials are described and divided in there. The last part of the thesis is devo

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Liang, Jason Jian. "Design and Development of an Experimental Apparatus to Study Jet Fuel Coking in Small Gas Turbine Fuel Nozzles." Thesis, 2013. http://hdl.handle.net/1807/43080.

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An experimental apparatus was designed and built to study the thermal autoxidative carbon deposition, or coking, in the fuel injection nozzles of small gas turbine engines. The apparatus is a simplified representation of an aircraft fuel system, consisting of a preheating section and a test section, which is a passage that simulates the geometry, temperatures, pressures and flow rates seen by the fuel injection nozzles. Preliminary experiments were performed to verify the functionality of the apparatus. Pressure drop across the test section was measured throughout the experiments to monitor de

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