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Dissertations / Theses on the topic 'IC Engine'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Robinson, Kevin. "IC engine coolant heat transfer studies." Thesis, University of Bath, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275444.

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2

Knutsson, Magnus. "Modelling of IC-Engine Intake Noise." Doctoral thesis, Stockholm : Skolan för teknikvetenskap, Kungliga Tekniska högskolan, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-10549.

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3

Rivara, Nick. "IC Engine Control by Ionization Current Sensing." Thesis, University of Liverpool, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.510971.

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4

Duan, Shang You. "Fuel injection control for an IC engine." Thesis, Queen's University Belfast, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335571.

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5

Gräsberg, Pontus. "IC-Engine Source Characterisation and exhaust system simulations." Thesis, KTH, Marcus Wallenberg Laboratoriet MWL, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-299411.

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To be able to predict the sound pressure level emitted by a exhaust system one must be able to describe the source. The source in the form of an engine can linearly be described as a source strength and a source impedance. An IC-engine can acoustically have a non-linear part meaning that the source characteristics have a dependency on the load. The first part of this work investigates through simulation's in GT-Power how these characteristics are affected by the load connected to the source. The Second part of the work combines the source characteristics with simulations of a muffler and compa

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6

Pezouvanis, Antonios. "Engine modelling for virtual mapping : development of a physics based cycle-by-cycle virtual engine that can be used for cyclic engine mapping applications, engine flow modelling, ECU calibration, real-time engine control or vehicle simulation studies." Thesis, University of Bradford, 2009. http://hdl.handle.net/10454/4419.

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After undergoing a study about current engine modelling and mapping approaches as well as the engine modelling requirements for different applications, a major problem found to be present is the extensive and time consuming mapping procedure that every engine has to go through so that all control parameters can be derived from experimental data. To improve this, a cycle-by-cycle modelling approach has been chosen to mathematically represent reciprocating engines starting by a complete dynamics crankshaft mechanism model which forms the base of the complete engine model. This system is modelled

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7

Knutsson, Magnus. "IC-engine intake noise predictions based on linear acoustics /." Stockholm : The Marcus Wallenberg Laboratory for Sound and Vibration Research, Royal Institute of Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4586.

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8

Huang, Xiaodan. "Coupling hybrid CFD models in simulating IC engine flows." Thesis, Loughborough University, 2000. https://dspace.lboro.ac.uk/2134/13063.

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A novel concept which couples ID and 2D CFD models in a simulation of unsteady lC engine flows was investigated, and such a coupled model was developed. Two unified solution procedures which are capable of predicting mixed compressible and incompressible flow fields found in an engine were developed and comparatively studied. One is the pressure correction algorithm, the other is the block implicit algorithm. They provided platforms for the implementation of coupled models. Second order spatial and Euler backward time differencing schemes were adopted. The comprehensive comparative studies wer

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9

Leisenring, Kenneth C. "IC engine air/fuel ratio feedback control during cold-start." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1269527559.

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10

Choi, Woong-Chul. "Characterization of intake generated flow field in an IC engine /." The Ohio State University, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487865929456904.

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11

Yavuz, Ibrahim. "Refined turbulence models for simulation of IC-engine cylinder flows." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1314.

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Thesis (Ph. D.)--West Virginia University, 2000.<br>Title from document title page. Document formatted into pages; contains xiii, 164 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 153-164).

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12

Maier, Andreas. "Geometric parameters influencing IC engine inlet valve flow and heat transfer." Thesis, University of Sunderland, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298001.

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13

Kapadia, Bhavin Kanaiyalal. "Development Of A Single Cylinder SI Engine For 100% Biogas Operation." Thesis, Indian Institute of Science, 2006. https://etd.iisc.ac.in/handle/2005/283.

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This work concerns a systematic study of IC engine operation with 100% biogas as fuel (as opposed to the dual-fuel mode) with particular emphasis on operational issues and the quest for high efficiency strategies. As a first step, a commercially available 1.2 kW genset engine is modified for biogas operation. The conventional premixing of air and biogas is compared with a new manifold injection strategy. The effect of biogas composition on engine performance is also studied. Results from the genset engine study indicate a very low overall efficiency of the system. This is mainly due to the

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14

Kapadia, Bhavin Kanaiyalal. "Development Of A Single Cylinder SI Engine For 100% Biogas Operation." Thesis, Indian Institute of Science, 2006. http://hdl.handle.net/2005/283.

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This work concerns a systematic study of IC engine operation with 100% biogas as fuel (as opposed to the dual-fuel mode) with particular emphasis on operational issues and the quest for high efficiency strategies. As a first step, a commercially available 1.2 kW genset engine is modified for biogas operation. The conventional premixing of air and biogas is compared with a new manifold injection strategy. The effect of biogas composition on engine performance is also studied. Results from the genset engine study indicate a very low overall efficiency of the system. This is mainly due to the ve

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15

Barceló, Adrover Salvador. "An advanced Framework for efficient IC optimization based on analytical models engine." Doctoral thesis, Universitat de les Illes Balears, 2013. http://hdl.handle.net/10803/128968.

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En base als reptes sorgits a conseqüència de l'escalat de la tecnologia, la present tesis desenvolupa i analitza un conjunt d'eines orientades a avaluar la sensibilitat a la propagació d'esdeveniments SET en circuits microelectrònics. S'han proposant varies mètriques de propagació de SETs considerant l'impacto dels emmascaraments lògic, elèctric i combinat lògic-elèctric. Aquestes mètriques proporcionen una via d'anàlisi per quantificar tant les regions més susceptibles a propagar SETs com les sortides més susceptibles de rebre'ls. S'ha desenvolupat un conjunt d'algorismes de cerca de camins s

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16

McIntyre, Dustin L. "The coaxial cavity resonator as a prototype RF IC engine ignition source." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1504.

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Thesis (M.S.)--West Virginia University, 2000.<br>Title from document title page. Document formatted into pages; contains xii, 119 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 106-107).

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17

Rasheed, Abdul Khaliq. "Heat transfer, tribology and performance of graphene nanolubricants in an IC engine." Thesis, University of Nottingham, 2017. http://eprints.nottingham.ac.uk/39675/.

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Improving the thermo-physical and tribological properties of lubricants has been a challenging subject of research. Over the last few years, nanolubricants, which are oils containing nanoparticle have been reported to possess exceptionally higher thermal and tribological properties than the traditional lubricants. However, nanolubricants complying with the American Petroleum Institute (API) and Society of Automotive Engineers (SAE) standards remain largely unexplored. In this dissertation, graphene based automotive lubricants meeting 20W50 API SN/CF and 20W50 API SJ/CF specifications have been

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18

Lauden, Jonathan W. "Experimental Engine Characterization for Spring Design of Novel Automotive Starter." University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1366717912.

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19

Pagano, David. "Hydrogen Powred IC Engine: applicazioni, modifiche e impatto ambientale dei motori a idrogeno." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22332/.

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La tesi si concentra sull'applicabilità e sulle caratteristiche dei motori alimentati ad idrogeno, partendo dal concetto chimico dell'elemento e soffermandosi, poi, sulle nozioni di produzione e stoccaggio. L'aspetto rilevante dello scritto è senz'altro la comprensione tecnica dell'efficacia di tali motori, confrontati con i classici motori a combustione interna, relativamente alla prospettiva di un minore impatto ambientale. Tuttavia, si mette in luce la lunga strada ancora da percorrere in questo ambito, data dalla bassa efficienza, rispetto ai motori tradizionali, e soprattutto, dall'inesi

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20

Dunstan, T. D. "Turbulent Premixed Flame Kernel Growth During The Early Stages Using Direct Numerical Simulation." Thesis, Cranfield University, 2008. http://hdl.handle.net/1826/3486.

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In this thesis Direct Numerical Simulation (DNS) is used to investigate the development of turbulent premixed flame kernels during the early stages of growth typical of the period following spark ignition. Two distinct aspects of this phase are considered: the interaction of the expanding kernel with a field of decaying turbulence, and the chemical and thermo-diffusive response of the flame for different fresh-gas compositions. In the first part of the study, three-dimensional, repeated simulations with single-step chemistry are used to generate ensemble statistics of global flame growth. The

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21

Brennan, S. L. B. "Coupled 1D and 3D analysis of flow in the intake of an IC engine." Thesis, Queen's University Belfast, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.431464.

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22

Ghiasi, Golnoush. "Simulation of turbulent flames at conditions related to IC engines." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/278054.

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Engine manufacturers are constantly seeking avenues to build cleaner and more ef cient engines to meet ever increasing stringent emission legislations. This requires a closer under- standing of the in-cylinder physical and chemical processes, which can be obtained either through experiments or simulations. The advent of computational hardware, methodologies and modelling approaches in recent times make computational uid dynamics (CFD) an important and cost-effective tool for gathering required insights on the in-cylinder ow, combustion and their interactions. Traditional Reynolds-Averaged Navi

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23

Bergeles, Konstantinos. "Liquid atomisation processes in the crankcase of an IC engine : a computational and experimental study." Thesis, Imperial College London, 2017. http://hdl.handle.net/10044/1/56937.

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The present thesis explores the mechanisms of aerodynamic breakup, jet disintegration and droplet formation inside the crankcase of an internal combustion engine. The work employs advanced experimental and computational tools, which allowed the description and detailed understanding of the flow processes driving liquid atomisation. The literature review identified numerous types of droplet-flow interactions, flow structures and mechanisms which required further investigation. These important parameters are currently ignored in most engineering design. Droplets, upon generation in the crankcase

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24

Natarajan, Vinod K. (Vinod Kumar) 1979. "The performance of IC engine and fuel cell hybrid propulsion systems in light duty vehicles." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/89878.

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25

Ilie, Katherine-Rodica, and Katherine ilie@rmit edu au. "Modelling, Simulation and Optimisation of Asymmetric Rotor Profiles in Twin-screw Superchargers." RMIT University. Aerospace, Mechanical and Manufacturing Engineering, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080213.144857.

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There is a growing recognition worldwide of the need for more powerful, smaller petrol engines, capable of delivering the higher picking power of larger engines, yet still being economical and environmentally friendly when used for day-to-day driving. An engineering solution for more efficient engines has been considered by research so far. It has been identified that superchargers can potentially improve the performance of automotive engines; therefore research has focused on developing superchargers and supercharger components with higher efficiency. Of particular interest to the research pr

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26

Wang, Wei. "Conditional Moment Closure Model for Ignition of Homogeneous Fuel/Air Mixtures in Internal Combustion Engines." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1577882100318004.

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27

Hossain, Md Farhad. "Experimental investigation of thermochemically-derived fuels in a diesel engine." Thesis, Queensland University of Technology, 2018. https://eprints.qut.edu.au/115545/1/Md.%20Farhad_Hossain_Thesis.pdf.

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This thesis is a comparative study on thermochemical conversion of biomass and waste feedstocks into fuels and is divided into two streams. The first investigates the use of wet microalgae feedstocks, using hydrothermal liquefaction (HTL), to produce biocrude. The second stream explores the use of dry waste tyre feedstocks using Green Distillation Technology (GDT), a modified pyrolysis process, to make tyre oil. An experimental investigation of the physicochemical properties of biocrude oil and tyre oil is made. Finally, the impact of the both fuels on a diesel engine was investigated.

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28

Fjällman, Johan. "Unsteady simulations of the turbulent flow in the exhaust system of an IC-engine for optimal energy utilization." Licentiate thesis, KTH, Strömningsfysik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-123086.

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This licentiate thesis deals with the ow in pipe bends and radial turbines inan internal combustion engine environment. Looking into the engine bay of apassenger car one cannot avoid noticing all the pipe bends and splits. Duringthe development of internal combustion engines the engine manufacturers arestarting to focus more on simulations than on experiments. This is partly becauseof the reduction in cost but also the reduction in turn around time. This isone of the reasons for the need of more accurate and predictive simulations.By using more complex computational methods the accuracy and pr

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29

Li, Guoxing. "Investigation into the dynamic responses and tribological characteristics of cylinder liners in a IC engine with alternative fuels." Thesis, University of Huddersfield, 2016. http://eprints.hud.ac.uk/id/eprint/30287/.

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Promoted by the realisation of dwindling fossil fuel supplies and their adverse environmental impacts, there more and more types of alternative fuels to fossil diesel have been used and investigated in compression ignition engines. However, the majority of researches on alternative fuels mainly focus on their power performance, efficiency and emission performance, without fully investigating the potential effects on the vibro-acoustic emissions and tribological characteristics of engines caused by their significant differences in physical and chemical properties. Consequently, the impacts of l

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30

Gruenert, Thomas. "Analysis of crankshaft-crankcase interaction for the prediction of the dynamic structural response and noise radiation of IC-engine structures." Thesis, Loughborough University, 2000. https://dspace.lboro.ac.uk/2134/27786.

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This thesis presents research work which is concerned with the development of analytical and numerical methods for the dynamic analysis of the crankshaft-crankcase assembly. The effects of interaction of crankshaft and crankcase on the dynamic response of an IC engine block structure are studied. These methods are especially attractive for the simulation of the steady state response of rotating systems with many degrees of freedom which are forced by multiple periodic excitations. A major novelty of the methods is the ability to model the system non-linearities successfully as frequency depend

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31

Reyes, Belmonte Miguel Ángel. "Contribution to the Experimental Characterization and 1-D Modelling of Turbochargers for IC Engines." Doctoral thesis, Universitat Politècnica de València, 2014. http://hdl.handle.net/10251/34777.

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At the end of the 19th Century, the invention of the Internal Combustion Engine (ICE) marked the beginning of our current lifestyle. Soon after the first ICE patent, the importance of increasing air pressure upstream the engine cylinders was revealed. At the beginning of the 20th Century turbo-machinery developments (which had started time before), met the ICE what represented the beginning of turbocharged engines. Since that time, the working principle has not fundamentally changed. Nevertheless, stringent emissions standards and oil depletion have motivated engine developments; among

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32

Ting, Yew Siang. "A study of upward oil jet impingement on flat and concave heated surfaces and the application to IC engine piston cooling." Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/19451.

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This thesis presents research on upward pointing oil jets that provide cooling of downward facing heated surfaces. The specific purpose of this research is to improve understanding of the oil jet cooling of internal combustion engine pistons. In this research, the cooling of heated blocks with flat and concave surfaces was investigated. Temperature measurements were obtained using an array of thermocouples embedded inside the heated blocks. A flash illumination and high resolution CCD camera system was used to observe the liquid jet impingement. Observations identified a 'bell-sheet' flow patt

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33

Haworth, Leanne. "Modelling the effect of condensation and evaporation of water on the transient temperatures inside the exhaust system of an IC engine during a cold start." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4285.

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Thesis (MScEng (Mechanical and Mechatronic Engineering))--University of Stellenbosch, 2010.<br>AFRIKAANSE OPSOMMING:Die navorsing wat hier uiteengesit word ondersoek die hipotese dat kondensasie en die gevolglike verdamping van water wat teenwoordig is in die uitlaatgas van ‘n binnebrandenjin, plaasvind in die gedeeltes van die uitlaatstelsel tussen die uitlaatklep en die katalitiese-omsetter se uitlaat. Daar word verder veronderstel dat hierdie tweefasevloeieffekte die tydafhanklike temperatuurprofiele in die uitlaatstelsel beïnvloed, wat moontlik kan lei tot ‘n vertraging in die tydsduu

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34

Chang, Chi-Yao [Verfasser], C. [Akademischer Betreuer] Tropea, S. [Akademischer Betreuer] Jakirlic, and A. [Akademischer Betreuer] Sadiki. "Development and Validation of Scale-resolving Computational Models Relevant to IC-engine Flow Configurations / Chi-Yao Chang. Betreuer: C. Tropea ; S. Jakirlic ; A. Sadiki." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2015. http://d-nb.info/1110980396/34.

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35

Nebojša, Nikolić. "Razvoj metoda dijagnostike usisnog sistema motora sa unutrašnjim sagorevanjem." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2015. http://www.cris.uns.ac.rs/record.jsf?recordId=94802&source=NDLTD&language=en.

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U radu je razvijen jedan matematički model za simuliranje ponašanja nekih važnih radnih parametara motora SUS, kada u njegovom usisnom sistemu postoje neispravnosti tipa: &bdquo;nepredviđeni ulaz vazduha u usisni kolektor“, &bdquo;pogrešno očitavanje senzora masenog protoka vazduha“, &bdquo;pogrešno očitavanje senzora pritiska u usisnom kolektoru“, &bdquo;pogrešno očitavanje senzora temperature u usisnom kolektoru“ i &bdquo;umanjen EGR protok“. Na osnovu rezultata ovog modela predložen je novi dijagnostički koncept, u okviru kojeg je razvijen jedan model za prepoz

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36

Dragan, Adamović. "Model detekcije benzena, toluena, etilbenzena i ksilena u izduvnim gasovima motornih vozila primenom gasne hromatografije u funkciji procene zagađenja ambijentalnog vazduha." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2015. https://www.cris.uns.ac.rs/record.jsf?recordId=90997&source=NDLTD&language=en.

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U okviru doktorske disertacije opisane su jedinstvene fiziĉko-hemijske karakteristikegrupe supstanci benzena, toluena, etilbenzena i ksilena koje pripadaju istraživanjimanajnovijeg trenda nauĉne javnosti. Posebno su opisane perzistencija ipseudoperzistencija, transport, distribucija i negativan i toksiĉan uticaj na zdravljeĉoveka i životnu sredinu. Sprovedena su eksperimentalna istraživanja zavisnostikoncentracionih nivoa BTEX jedinjenja u izduvnim gasovima i operativnih parametaraeksperimentalnog motora SUS. Na osnovu dobijenih rezultata eksperimentalnihistraživanja definisan je emisioni mode

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37

Tiikoja, Heiki. "Acoustic Characterization of Turbochargers and Pipe Terminations." Licentiate thesis, KTH, MWL Marcus Wallenberg Laboratoriet, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-92648.

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In search for quieter engines there is a need for a better understanding of the acoustic properties of engine intake and exhaust system components. Besides mufflers which have the purpose of reducing pressure pulses originating from the internal combustion (IC) engine, there are many components in a modern car exhaust and intake system, e.g., air-filters, coolers, catalytic converters, particulate filters - all having an effect on the pressure pulses or sound field in the system. In this work the focus is on the turbocharged IC-engine where both, sound scattering (reflection and transmission)

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38

Rämmal, Hans. "Studies of flow duct acoustics with applications to turbocharged engines." Doctoral thesis, KTH, MWL Marcus Wallenberg Laboratoriet, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-10590.

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A number of experimental and theoretical studies, performed in the field of technical flow duct acoustics are presented in this thesis. The acoustical methods treated are implemented on turbocharged IC-engines and engine gas exchange system components. A new method based on the well-known two-load technique has been developed. The method was applied to characterise the source data of various piston-engines with non-linear behaviour including a 6 cylinder turbo-charged truck diesel engine. The source characterisation results were compared to the results obtained using the linear two-load techni

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39

Williams, Benjamin Ashley Oliver. "Quantitative laser diagnostics for combustion." Thesis, University of Oxford, 2009. http://ora.ox.ac.uk/objects/uuid:37ea0034-03ac-4021-80e3-5d72200fbd0e.

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Quantitative Planar Laser Induced Fluorescence (QPLIF) is developed as a diagnostic technique and then applied to a prototype Jaguar optical internal combustion engine. QPLIF derives quantitative, two-dimensional, spatially-resolved measurements of fuel concentration. This work reports the first demonstration of a fully-fractionated surrogate fuel which exhibits all the characteristics of a typical gasoline. This 'pseudo' fuel, developed in association with Shell UK, is blended to accept a fluorescent tracer which may track one of the light, middle or heavy fractions of the fuel, each of diffe

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40

Winkler, Niklas. "Reduced models for flows in IC-engines." Doctoral thesis, KTH, Förbränningsmotorteknik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-41496.

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The finite response time of the turbocharger is the most notable effect of transient operation on a turbocharged diesel engine. To fulfill future emission requirements, high amounts of transient EGR will be required even though after-treatment devices are being used. This implies that advanced turbocharger systems have to be introduced to enable high boost pressure with improved or at least maintained response time. The increased amount of tuneable parameters from the more advanced turbocharging system will make it difficult and expensive to optimise the engine experimentally. Therefore, the w

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41

Madireddy, Madhava Rao. "Analytical design of a parallel hybrid electric powertrain for sports utility vehicles and heavy trucks." Ohio : Ohio University, 2003. http://www.ohiolink.edu/etd/view.cgi?ohiou1175278829.

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42

Angelis, Yerasimos. "Quantification of environmentally sensitive emissions by substitution of traditional internal combustion (IC) technology with hydrogen fuelled IC engines." Available from the University of Aberdeen Library and Historic Collections Digital Resources. Online version available for University member only until May, 20, 2014, 2007. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=26222.

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43

Johnsson, Roger. "Indirect measurements for control and diagnostics of IC engines /." Luleå, 2004. http://epubl.luth.se/1402-1544/2004/60/index.html.

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44

Vagenas, Alexios. "Actively controlled cooling jets for application to IC engines." Thesis, University of Bath, 2003. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.426146.

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45

Ma, Jia. "Model-based control of electro-pneumatic intake and exhaust valve actuators for IC engines." Diss., Connect to online resource - MSU authorized users, 2008.

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Thesis (Ph. D.)--Michigan State University. Dept. of Mechanical Engineering, 2008.<br>Title from PDF t.p. (viewed on Mar. 31, 2009) Includes bibliographical references (p. 150-151). Also issued in print.

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46

Sesler, Josh J. "Implementation of Refractory Foam Technology for Silencing Small IC Engines." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/35453.

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With the need for stealth in defense applications steadily increasing, noise reduction continues to play an important role in the world of aeronautics. With the ever increasing number of small UAV flight vehicle designs and their stringent weight requirements, acoustic solutions become progressively more complex. This thesis investigates the use of refractory foam, a new class of porous material, for designing effective silencers for small IC engines. The solution must be lightweight, compact, conformable, and capable of handling the rigors of flight. Throughout the course of this research, ma

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Deng, Qiyou. "Dynamic characterisation and 1-D modelling of Turbochargers for IC Engines." Thesis, University of Bath, 2017. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.725400.

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48

Sakowitz, Alexander. "On the Computation of Turbulent Mixing Processes with Application to EGR in IC-engines." Licentiate thesis, KTH, Mekanik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-48138.

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This thesis deals with turbulent mixing processes occuring in internal combustion engines, when applying exhaust gas recirculation (EGR). EGR is a very efficient way to reduce emissions of nitrogen oxides (NOx) in internal combustion engines. Exhaust gases are recirculated and mixed with the intake air of the engine, thus reducing the oxygen concentration of the combustion gas and the maximum combustion tempera- ture. This temperature decrease results in a reduction of NOx emissions, since NOx is produced at high temperatures.The issue of NOx reduction is of high importance for current engine

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Wang, Zheng. "DEVELOPMENT OF ACOUSTIC MODELS FOR HIGH FREQUENCY RESONATORS FOR TURBOCHARGED IC-ENGINES." Thesis, KTH, MWL Marcus Wallenberg Laboratoriet, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91335.

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Automotive turbo compressors generate high frequency noise in the air intake system. This sound generation is of importance for the perceived sound quality of luxury cars and may need to be controlled by the use of silencers. The silencers usually contain resonators with slits, perforates and cavities. The purpose of the work reported is to develop acoustic models for these resonators where relevant effects such as the effect of realistic mean flow on losses and possibly 3D effects are considered. An experimental campaign has been undertaken where the two-port matrices and transmission loss of

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Kumar, A. "Investigation of in-nozzle flow characteristics of fuel injectors of IC engines." Thesis, City, University of London, 2017. http://openaccess.city.ac.uk/17583/.

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Almost all automotive fuel injection systems are experiencing some form of cavitation within their nozzle under different operating conditions. In-nozzle cavitation initiates in various forms and directly influences the emerging spray. Experimental studies have shown that cavitation in diesel injectors leads to smaller droplet formation, especially by the on-going trend towards higher injection pressures, which enhances fuel evaporation but also creates undesirable consequences due to transient nature of cavitation such as spray instabilities, erosion on internal surfaces, and hydraulic flip.

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