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Dissertations / Theses on the topic 'Ignition engines'

Author: Grafiati

Published: 6 September 2023

Last updated: 31 July 2025

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1

Calnan, Peter John Courtney Benedict. "Analysis of new engine cycles for spark ignition engines." Thesis, Brunel University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389985.

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2

Kaul, Brian Christopher. "Addressing nonlinear combustion instabilities in highly dilute spark ignition engine operation." Diss., Rolla, Mo. : Missouri University of Science and Technology, 2008. http://scholarsmine.mst.edu/thesis/pdf/Kaul_09007dcc804ea67e.pdf.

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Thesis (Ph. D.)--Missouri University of Science and Technology, 2008.<br>Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed April 28, 2008) Includes bibliographical references (p. 170-176).

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3

Lodi, Faisal Samad. "Reducing cold start fuel consumption through improved thermal management." Connect to thesis, 2008. http://repository.unimelb.edu.au/10187/3601.

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The thesis presents research in achieving faster warm-up of an SI engine, thereby affecting the fuel economy penalty. The faster warm-up relates to faster heating of the cylinder head and engine block, targeting reducing viscous friction in the cold oil as the most likely candidate to improve. The strategy applied was to reduce the coolant flow circulation rate to achieve a faster warm-up of the engine. A lumped parameter model for engine heat transfer, coolant flow and heat capacities, in a single cylinder, based on engine operating points like spark advance, engine speed and MAP was built in

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4

Hu, Zhengyun. "Turbulence enhancement in spark-ignition engines." Thesis, Imperial College London, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340890.

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5

Posylkin, Michael. "Mixture preparation in spark-ignition engines." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243438.

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6

Nates, Roy Jonathan. "Knock damage in spark-ignition engines." Doctoral thesis, University of Cape Town, 1995. http://hdl.handle.net/11427/11478.

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The objectives of this thesis were to identify, explain and quantify the damage caused by knocking combustion in spark-ignition engines. A literature review indicated that, in general, research into knock has focused on the causes and avoidance of knock, rather than on the damage resulting from knock. The few published works concerning the effects of knock were mainly interested in the prevention of one specific form of damage, namely piston erosion. The review highlighted the need to investigate the relationship between knock and the various forms of damage. Using the evidence from knock-dama

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7

Mutzke, Johannes Gerhard. "Abnormal combustion in spark ignition engines." Thesis, University of Oxford, 2018. http://ora.ox.ac.uk/objects/uuid:0bba0e6c-a989-4791-a80a-8b39fe88f431.

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Emissions from internal combustion engines are a major contributor to anthropogenic climate change. In order to decrease the amount of emissions, car manufacturers are investing in increasing the efficiency of spark ignition engines. Means for this include downsizing and turbocharging which come with an exacerbated risk of abnormal and harmful combustion phenomena, notably autoignition, knock and pre-ignition and thus pose a limit to the efficiency of the engines. Abnormal combustion depends on the engine geometry, the operating conditions and the fuel. Industrial standard classification syste

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8

Wiseman, Marc William. "Spark ignition engine combustion process analysis." Thesis, University of Nottingham, 1990. http://eprints.nottingham.ac.uk/11131/.

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Cylinder pressure analysis is widely used in the experimental investigation of combustion processes within gasoline engines. A pressure record can be processed to reveal detail of charge burning, which is a good indicator of combustion quality. The thesis describes the evaluation of an approximate technique for calculating the mass fraction of the charge that has burnt; a novel approach for determining heat loss to the block; the development of a powerful system for combustion analysis; and the investigation of the correlation between the crank angle location of the 50% mass burnt and minimum

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9

Kapil, Anil. "Cycle-to-cycle variations in spark-ignition engines." Thesis, University of British Columbia, 1988. http://hdl.handle.net/2429/28392.

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Pressure data measurements have been made in a single-cylinder, spark-ignition engine over 100 consecutive cycles. The engine was operated on natural gas at a wide range of engine speed and equivalence ratios. The effects of spark electrode geometry, combustion chamber geometry, spark gap and throttling have also been examined. From these pressure measurements standard deviations in burning times in mass-fraction-burned values were determined. Because of the existing evidence that the origin of cyclic variations is in the early combustion period, the standard deviations of cyclic variation in

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10

Hong, C. W. "Computer simulation of turbocharged spark ignition engines." Thesis, Imperial College London, 1987. http://hdl.handle.net/10044/1/47281.

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11

Pashley, Nicholas C. "Ignition systems for lean burn gas engines." Thesis, University of Oxford, 1997. http://ora.ox.ac.uk/objects/uuid:b5fcf2d4-b27b-4b3b-a593-ee307ec80f3a.

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This thesis describes an experimental investigation into ignition systems, their effects on the combustion process, and how the discharge is affected by the prevailing pressure, temperature and flow. The work is divided into four main areas, a comprehensive literature review, engine testing for ignition system suitability, non-flow rig testing (including erosion) and flow rig testing. The literature review concluded that the most practical ignition system for lean burn gas engines will continue to be based on the spark plug, but in the medium to long term, laser ignition may become viable. The

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12

Bleimschein, G. E. "The octane requirement of spark ignition engines." Master's thesis, University of Cape Town, 1991. http://hdl.handle.net/11427/8286.

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Bibliography: leaves 81-85.<br>The thesis covers the fundamentals of refining and fuel technology, engine technology as regards parameters which influence knock and the results of engine tests. Definitions of octane number and the interpretation of the system developed to establish these numbers using the CFR engine are given. The literature survey covers the fundamental refining processes which are used to upgrade gasoline components in order to raise their octane quality or to achieve a more suitable distillation range. Some of the reactions which take place are described and operating condi

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13

Kayes, David J. (David Jonathan) 1972. "Particulate matter formation in spark-ignition engines." Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9417.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1999.<br>Includes bibliographical references (leaves 180-184).<br>Recent health concerns over airborne particulate matter (PM) have prompted examination of the mechanisms by which PM is formed in spark ignition (SI) internal combustion engines. A study was undertaken in order to understand the effects of dilution on measured PM, to examine and model the effect of steady state engine operating conditions on engine-out PM, and to characterize the effect of transient engine conditions on particle growth and dy

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14

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.<br>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 petr

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15

Duszynski, Marek. "Measurement of lubricant film thickness in reciprocating engines." Thesis, Imperial College London, 1999. http://hdl.handle.net/10044/1/8268.

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16

Roberts, Philip John. "Fuel and residual effects in spark ignition and homogeneous charge compression ignition engines." Thesis, University of Leeds, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.530821.

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17

Weinrotter, Martin [Verfasser]. "Laser Ignition of Internal Combustion Engines : Basic Laser and Ignition Optics Developments, Engine Application and Optical Diagnostics / Martin Weinrotter." München : GRIN Verlag, 2011. http://d-nb.info/1182238203/34.

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18

Srivastava, Shalabh. "Numerical simulation of a direct injection spark ignition engine using ethanol as fuel." Diss., Connect to online resource - MSU authorized users, 2008.

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Thesis (M.S.)--Michigan State University. Dept. of Mechanical Engineering, 2008.<br>Title from PDF t.p. (viewed on July 27, 2009) Includes bibliographical references (p. 119-122). Also issued in print.

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19

Andersson, Per. "Air charge estimation in turbocharged spark ignition engines /." Linköping : Dept. of Electrical Engineering, Linköping University, 2005. http://www.bibl.liu.se/liupubl/disp/disp2005/tek989s.pdf.

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20

Xiaofeng, Gao. "Real time knock detection for spark ignition engines." Thesis, Brunel University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241624.

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21

Baker, Philip. "Investigation of barrel swirl in spark ignition engines." Thesis, Coventry University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364160.

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22

Mullett, Jack Daniel. "Laser-Induced Ignition Systems for Gasoline Automotive Engines." Thesis, University of Liverpool, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.507466.

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23

Daham, Basil. "Measuring real-world emissions from spark ignition engines." Thesis, University of Leeds, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.426900.

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24

Williams, Paul Andrew. "Characterization of fuel sprays in spark ignition engines." Thesis, University College London (University of London), 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282716.

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25

Sandoval, Daniel 1980. "An improved friction model for spark ignition engines." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/80657.

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26

Hasson, Dhari A. "Mixture preparation and combustion in spark ignition engines." Thesis, Aston University, 1986. http://publications.aston.ac.uk/11867/.

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27

Hynes, John. "Turbulence effects on combustion in spark ignition engines." Thesis, University of Leeds, 1986. http://etheses.whiterose.ac.uk/3712/.

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Described in this thesis are the results of an experimental and theoretical study of the effects of turbulence on combustion in single and dual chamber spark ignition engines. The techniques adopted in the experimental study included the use of high speed cine photography, and the collection of simultaneous cylinder pressure records using an on-line computer. The experimental results confirmed the potential of the dual chamber design for increasing burning rate, and for controlling the level of turbulence within an engine cylinder. High speed photographs were filmed through a perspex window in

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28

Das, Pranab. "Study of homogeneous combustion in compression ignition engines." Thesis, IIT Delhi, 2017. http://localhost:8080/iit/handle/2074/7216.

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29

Sleightholme-Albanis, G. R. "Measurements of spark-ignition engine fuelling variations." Thesis, University of Cambridge, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241120.

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30

Hamori, Ferenc. "Exploring the limits of hydrogen assisted jet ignition /." Connect to thesis, 2006. http://eprints.unimelb.edu.au/archive/00001606.

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31

Dymala-Dolesky, Robert. "The effects of turbulence enhancement on the performance of a spark-ignition engine." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26696.

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An attempt has been undertaken to enhance turbulence in an S.I. engine at the final stage of the compression stroke, without affecting the intake process. The method employed to control the turbulence level made use of an original design called the squish-jet combustion chamber. The design had potential to generate jets in the chamber before CTDC and thus create dramatically different turbulent flow patterns. Natural gas, a slow burning fuel, was used for performance tests, and different levels of turbulence were expected to markedly affect the combustion process. A flow visualization experim

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32

Norouzi, Shahrouz. "Interaction of diesel type fuels and engine fuel system components in compression ignition engines." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/5369/.

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Contact of fuels with engine components at low and elevated temperatures for various amounts of time is found to be challenging as this contact has several effects on engine fuel system components and fuels. Also, storage of fuels for a long period of time is found to have almost the same effect on both engine components and fuels upon engine use. In this thesis fuel and engine components’ contact have been studied for four typical metals used in the construction of many engine fuel systems; in form of pure or alloys (copper, aluminium, mild carbon steel and stainless steel), studied after con

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33

Min, Kyoungdoug. "The effects of crevices on the engine-out hydrocarbon emissions in spark ignition engines." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/12221.

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34

Lim, Emmanuel G. (Emmanuel Gocheco). "The engine reformer : syngas production in engines using spark-ignition and metallic foam catalysts." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/100109.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 133-135).<br>An experimental study was performed to assess the feasibility of performing methane (CH4) partial oxidation (POX) in two internal combustion engines: one equipped to perform spark-ignition (the "spark-ignited engine"), and the other containing a catalyst in the engine cylinder (the "catalytic engine"). The exhaust gases were rich in hydrogen- (H 2) and carbon monoxide- (CO), and could be used as synt

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35

Thoo, Wei Jet. "A study of the ignition delay characteristics of combustion in a compression ignition engine operating on blended mixtures of diesel and gasoline." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/32843/.

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The interest to study diesel-gasoline fuel mix for CI engine combustion had been motivated by the higher thermal efficiency of CI engine compared to SI engine which gasoline normally runs in and the report of having lower NOx and PM emissions for gasoline combustion in CI engine. The experimental CI engine was unable to run on 100% gasoline but able to run on gasoline blend as high as G80 with default SOI timing setting. 100% gasoline would not run despite it contains only 20% more gasoline than G80 due to its extremely longer ignition delay caused by the exponential increase of gasoline blend

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36

Johns, R. A. "The analysis of the combustion of methanol in lean-burning, high-compression engines using an engine combustion model." Thesis, University of Surrey, 1985. http://epubs.surrey.ac.uk/847267/.

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Alcohol fuels are expected to become an economic/strategic alternative to oil over the next decade as oil reserves are depleted and countries seek to become more energy self-sufficient. Methanol, produced from natural gas deposits, and ethanol, produced locally by distillation of biomass, offer easily transportable alternatives. The use of a wider range of fuels in spark-ignition engines and the quest for fuel economy whilst meeting exhaust emissions legislation are important issues in engine design. The performance of current and proposed combustion chamber designs needs to be assessed with l

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37

Ahmed, Irufan. "Simulation of turbulent flames relevant to spark-ignition engines." Thesis, University of Cambridge, 2014. https://www.repository.cam.ac.uk/handle/1810/245288.

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Combustion research currently aims to reduce emissions, whilst improving the fuel economy. Burning fuel in excess of air, or lean-burn combustion, is a promising alternative to conventional combustion, and can achieve these requirements simultaneously. However, lean-burn combustion poses new challenges, especially for internal combustion (IC) engines. Therefore, models used to predict such combustion have to be reliable, accurate and robust. In this work, the flamelet approach in the Reynolds-Averaged Navier- Stokes framework, is used to simulate flames relevant to spark-ignition IC engines. A

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38

Bennett, Guy Malcolm. "CFD modelling of ignition and combustion in diesel engines." Thesis, Imperial College London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408413.

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39

Hull, David Richard. "Combustion technology in the lean-burn spark-ignition engines." Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244514.

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40

Ball, Jeffrey K. "Cycle-by-cycle variation in spark ignition combustion engines." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390474.

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41

Yuen, Hong Chuen Raymond. "An investigation of thermal conditions in spark ignition engines." Thesis, University of Nottingham, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366457.

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42

Landsberg, Gary B. (Gary Bryan) 1975. "Liquid fuel hydrocarbon emissions mechanisms in spark-ignition engines." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/89274.

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43

Angelos, John P. (John Phillip). "Fuel effects in homogeneous charge compression ignition (HCCI) engines." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/50615.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 2009.<br>Includes bibliographical references (p. 209-217).<br>Homogenous-charge, compression-ignition (HCCI) combustion is a new method of burning fuel in internal combustion (IC) engines. In an HCCI engine, the fuel and air are premixed prior to combustion, like in a spark-ignition (SI) engine. However, rather than using a spark to initiate combustion, the mixture is ignited through compression only, as in a compression-ignition (CI) engine; this makes combustion in HCCI engines much more sensitive to fuel

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44

Bhave, Amit. "Stochastic reactor models for homogeneous charge compression ignition engines." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.616153.

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45

Toulson, Elisa. "Applying alternative fuels in place of hydrogen to the jet ignition process /." Connect to thesis, 2008. http://repository.unimelb.edu.au/10187/3532.

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46

Schäfer, Lukas [Verfasser]. "Modeling and Simulation of Spark Ignition in Turbocharged Direct Injection Spark Ignition Engines / Lukas Schäfer." München : Verlag Dr. Hut, 2016. http://d-nb.info/1106593502/34.

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47

Alqahtani, Ali Mubark. "Computational studies of homogeneous charge compression ignition, spark ignition and opposed piston single cylinder engines." Thesis, University of Birmingham, 2017. http://etheses.bham.ac.uk//id/eprint/7899/.

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In this research, possible improvements in engine specifications using the simulations developed on the AVL BOOST™ and Ricardo WAVE™ platforms were investigated. These modelling simulations help the author to predict the effect of any improvements in engine specifications without practical experimental challenges and difficulties. Firstly, HCCI and SI engines were modelled with the intention of maximizing the engine’s efficiency and minimizing the emissions. Changes of valve timing and throttle angle influence emissions’ reduction and the efficiency of the engine. In SI engines, the emissions

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48

Hong, Guang. "Feedback control of transient smoke emissions from compression ignition engines." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.304278.

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49

Kontarakis, George A. "Homogeneous charge compression ignition in four-stroke internal combustion engines." Thesis, University of Cambridge, 2001. https://www.repository.cam.ac.uk/handle/1810/272293.

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50

Vezzosi, Riccardo. "State of the art and critical review of pre-chamber ignition systems for passenger car spark ignition engines." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22702/.

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Pre-chamber ignition systems are currently one of the most attractive developments for SI engines. The objective of this thesis is to present the technology at it's current state, focusing on passenger vehicles application, to analyse what issues need to be addressed for it to widely come to the market and what the potential of this techology is for the SI engine future. Replacing the spark plug with a new system capable of igniting a much leaner mixture, to reduce the likelyhood of knock, was the initial goal of the pre-chamber ignition system. What the system achieves is also a much faster

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