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Dissertations / Theses on the topic 'Cold engine'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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1

Sykes, Harrison G. "COLD FLOW PERFORMANCE OF A RAMJET ENGINE." DigitalCommons@CalPoly, 2014. https://digitalcommons.calpoly.edu/theses/1334.

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The design process and construction of the initial modular ramjet attachment to the Cal Poly supersonic wind tunnel is presented. The design of a modular inlet, combustor, and nozzle are studied in depth with the intentions of testing in the modular ramjet. The eﬀorts undertaken to characterize the Cal Poly supersonic wind tunnel and the individual component testing of this attachment are also discussed. The data gathered will be used as a base model for future expansion of the ramjet facility and eventual hot ﬁre testing of the initial components. Modularity of the inlet, combustion chamber,

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2

Tailony, Rauf. "Internal Combustion Engine Cold Test Driveline Modeling, Analysis and Development." University of Toledo / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1564765172535669.

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3

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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4

Ma, Qi. "Model based control and efficient calibration for crank-to-run transition in SI engines." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1125429289.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xiii, 160 p.; also includes graphics (some col.). Includes bibliographical references (p. 156-160). Available online via OhioLINK's ETD Center

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5

Suyabodha, Apiwat. "Simulation of cyclic variability in gasoline engine under cold start conditions." Thesis, University of Bath, 2012. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.555749.

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Emissions from gasoline engines remain an important issue worldwide as they are both harmful to health and contribute to green house effects especially under cold start conditions. A major challenge of the automotive industry is to reduce harmful emissions as much as possible whilst continuing to reduce CO2 emissions. Three-way-catalytic converters have been used very successfully to convert the harmful gases before release to the environment but these devices have to reach their light-off temperature in order to activate the chemical reactions. Therefore, the conversion time is delayed and du

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6

Duggleby, Paul Alfred. "The assessment and optimisation of spark ignition engine performance during cold operation." Thesis, University of Nottingham, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339668.

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7

MacMillan, David James. "Influences on the cold start behaviour of a diesel engine at reduced compression ratio." Thesis, University of Nottingham, 2009. http://eprints.nottingham.ac.uk/10759/.

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The design trend for light duty diesel engines is towards lower compression ratio and higher turbocharger boost. This can enable higher specific power and lower pollutant emissions to be achieved, but raises concerns that cold start operation might be adversely affected. This is investigated and quantified through the study of a modern light duty diesel engine at two compression ratios and temperatures down to -20ºC. Key indicators of cold start performance are the magnitude and cycle-to-cycle variation of indicated mean effective pressure. Initial studies were carried out at 300 rpm, a speed

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8

McGhee, Michael James. "Factors influencing cycle-by-cycle combustion characteristics of a diesel engine under cold idling conditions." Thesis, University of Nottingham, 2013. http://eprints.nottingham.ac.uk/13179/.

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An experimental investigation of post-start cold idling behaviour has been carried out on a modern single-cylinder HPCR DI light duty diesel engine with a low compression ratio of 15.5:1 at temperatures between 10 and -20°C. The trend toward lower compression ratios from more common values of around 22:1 a few years ago has resulted in lower compression pressures and temperatures, which negatively affects cold idle operation. Improvements in cycle-by-cycle stability of indicated work output through fuel injection strategy and glow plug temperature changes have been explored. This is important

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9

Belton, Christopher. "Fuel behaviour and pollutant emissions during the cold operation of a spark ignition engine." Thesis, University of Nottingham, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365108.

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10

Turcios, Marco Antonio. "Effects of cold wall quenching on unburned hydrocarbon emissions from a natural gas HPDI engine." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/38308.

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The quenching of hydrocarbon flames on cold surfaces is considered to be a potential source of unburned hydrocarbon (UHC) emissions from internal combustion engines, but its contribution to emissions has been difficult to determine due to the strong coupling between physics, chemistry and flame/wall geometry. This is particularly problematic for high pressure direct injection (HPDI) engines where high pressures, inhomogeneous mixtures and complex piston geometry are present. In this work, a computational model is implemented to determine the distance at which hydrocarbon flames quench on cold

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11

Waters, Benjamin David. "Cold start and hydrocarbon emissions of a spark ignition engine fuelled with ethanol-gasoline mixtures." Thesis, University of Nottingham, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.575150.

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In recent years there has been a renewed interest in the use of ethanol as a future fuel for spark ignition engines. The finite availability of oil coupled with concerns about global warming and CO2 emissions has led to an increase in the use of ethanol which is produced from biomass. Generally ethanol is blended with gasoline to make an automotive fuel with the most common blend being E85 (85% ethanol and 15% gasoline by volume), which is used in Sweden and in the USA. Unlike gasoline, ethanol is a single component fuel which has a low volatility especially at low temperatures which means tha

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12

Oh, Changhoon. "Assessment of the factors influencing PN emission in a DISI engine under cold-start condition." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/106786.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 155-160).<br>Due to their advantages in higher fuel efficiency and torque compared to conventional port fuel injection (PFI) engines, direct injection spark ignition (DISI) engines have become dominant in gasoline-fueled engines. However, DISI engines have a significant drawback in particulate matter (PM) emission: the PM emission of DISI engines is at least an order of magnitude higher than that of PFI engines

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13

Efthymiou, Petros. "An optical investigation of DISI engine combustion, fuel spray and emissions at cold-start temperatures." Thesis, Loughborough University, 2015. https://dspace.lboro.ac.uk/2134/19486.

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Particulate number (PN) standards in current and future emissions legislation pose a challenge for designers and calibrators during the warm-up phases of cold direct injection spark ignition (DISI) engines. To achieve catalyst light-off conditions in the shortest time, engine strategies are often employed that inherently use more fuel to attain higher exhaust temperatures. These can lead to the generation of locally fuel-rich regions within the combustion chamber and hence the formation and emission of particulates. To meet these emissions requirements, further understanding of the DISI in-cyl

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14

Lim, Bryan Neo Beng. "Computational simulations of fuel/air mixture flow in the intake port of a SI engine." Thesis, University of Sheffield, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310769.

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15

Lim, Aun Ming. "In-cylinder fuel storage and hydrocarbon emissions during the cold operation of a spark ignition engine." Thesis, University of Nottingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417964.

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16

Dimou, Iason. "Particulate matter emissions from a DISI engine under cold-fast-idle conditions for ethanol-gasoline blends." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/67777.

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Thesis (Nav. E. and S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 81-83).<br>In an effort to build internal combustion engines with both reduced brake-specific fuel consumption and better emission control, engineers developed the Direct Injection Spark Ignition (DISI) engine. DISI engines combine the specific higher output of the spark ignition engine, with the better efficiency of the compression ignition engine at part load. Despite their benefits, DISI engines still suf

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17

Desai, D. A. "Comparative non-linear simulation of temperature profiles induced in an exhaust manifold during cold-starting." Journal for New Generation Sciences, Vol 8, Issue 1: Central University of Technology, Free State, Bloemfontein, 2010. http://hdl.handle.net/11462/549.

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Published Article<br>The simulation of an exhaust manifold's thermal behaviour is an important concern for various reasons. Amongst them is the need to minimise catalyst light-offtime as significant exhaust emissions are generated within this period. Modelling such behaviour is not simplistic as it is governed by complex interactions between exhaust gas flow and the manifold itself. Computational fluid dynamics (CFD) is a powerful tool for such simulations. However its applicability for transient simulations is limited by high central processing unit (CPU) demands. The present study proposes a

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18

Abou, Nabout Nadia. "A Novel Approach for Bidding on Newly Set-Up Search Engine Advertising Campaigns." http://dx.doi.org/10.1108/EJM-08-2013-0424, 2015. http://dx.doi.org/10.1108/EJM-08-2013-0424.

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Advertisers setting up search engine advertising campaigns for the first time need to place bids on keywords, but typically lack experience and data to determine ranks that maximize a keyword's profit (generally referred to as a cold-start problem). This article aims at solving the problem of bidding on keywords in newly set-up search engine advertising campaigns. We suggest that advertisers collect data from the Google Keyword Planner to obtain precise estimates of the percentage increases in prices per click and clickthrough rates, which are needed to calculate optimal bids (exact approach)

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19

Rutkowski, Richard J. "Cold flow simulation of the alternate turbopump development turbine of the space shuttle main engine high pressure fuel turbopump." Thesis, Monterey, California. Naval Postgraduate School, 1994. http://hdl.handle.net/10945/28034.

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Approved for public release; distribution is unlimited<br>Completion of the installation at the Naval Postgraduate School of a cold-flow test facility for the turbine of the Space Shuttle Main Engine High Pressure Fuel Turbopump is reported. The article to be tested is the first stage of the Alternate Turbopump Development model designed and manufactured by Pratt & Whitney. The purpose of the facility is to enable the development of non- intrusive flow measurements and comparison of those measurements with numerical simulations. Flow field characteristics of the turbine stator were predicted u

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20

McKee, Joseph R. "Experimental and computational investigation of cold-flow through the turbine of the space-shuttle main engine high-pressure fuel turbopump." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1998. http://handle.dtic.mil/100.2/ADA356000.

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Thesis (M.S. in Aeronautical Engineering) Naval Postgraduate School, September 1998.<br>"September 1998." Thesis advisor(s): Garth V. Hobson. Includes bibliographical references (p. 115-116). Also available online.

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21

Studevan, Colin C. "Design of a cold-flow test facility for the high-pressure fuel turbopump turbine of the space-shuttle main engine." Thesis, Monterey, California. Naval Postgraduate School, 1993. http://hdl.handle.net/10945/19733.

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Approved for public release; distribution is unlimited<br>The design and installation at the Naval Postgraduate School of a cold-flow test facility for the turbine of the high-pressure fuel turbopump of the Space Shuttle Main Engine, is reported. The specific article to be tested is the 'Alternate Development Model' designed and manufactured by Pratt & Whitney. The design of individual components is documented. The installation of the facility subsystem is described in detail. A preliminary estimation of turbine performance is made.

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22

Wingbrant, Helena. "Development of high temperature SiC based field effect sensors for internal combustion engine exhaust gas monitoring." Licentiate thesis, Linköping University, Linköping University, Applied Physics, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-4673.

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<p>While the car fleet becomes increasingly larger it is important to lower the amounts of pollutants from each individual diesel or gasoline engine to almost zero levels. The pollutants from these engines predominantly originate from high NO<sub>x</sub> emissions and particulates, in the case when diesel is utilized, and emissions at cold start from gasoline engines. One way of treating the high NO<sub>x</sub> levels is to introduce ammonia in the diesel exhausts and let it react with the NO<sub>x</sub> to form nitrogen gas and water, which is called SCR (Selective Catalytic Reduction). Howev

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23

Ahn, Kyoungho. "Modeling Light Duty Vehicle Emissions Based on Instantaneous Speed and Acceleration Levels." Diss., Virginia Tech, 2002. http://hdl.handle.net/10919/28246.

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This dissertation develops a framework for modeling vehicle emissions microscopically. In addition, the framework is utilized to develop the VT-Micro model using a number of data sources. Key input variables to the VT-Micro model include instantaneous vehicle speed and acceleration levels. Estimating accurate mobile source emissions is becoming more and more critical as a result of increasing environmental problems in large metropolitan urban areas. Current emission inventory models, such as MOBILE and EMPAC, are designed for developing large scale inventories, but are unable to estimate emiss

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24

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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25

Wingbrant, Helena. "Studies of MISiC-FET sensors for car exhaust gas monitoring." Doctoral thesis, Linköpings universitet, Tillämpad Fysik, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-4674.

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The increasing size of the car fleet makes it important to find ways of lowering the amounts of pollutants from each individual diesel or gasoline engine to almost zero levels. The pollutants from these engines predominantly originate from emissions at cold start, in the case when gasoline is utilized, and high NOx emissions and particulates from diesel engines. The cold start emissions from gasoline vehicles are primarily due to a high light-off time for the catalytic converter. Another reason is the inability to quickly heat the sensor used for controlling the air-to-fuel ratio in the exhaus

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26

Manzoli, Anderson. "Análise das emissões veiculares em trajetos urbanos curtos com localização por GPS." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/18/18143/tde-26052009-170127/.

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Estuda-se o problema da emissão de gases por veículos automotores movidos a gasolina em trajetos curtos ercorridos em cidades pequenas e médias. Nessa situação, o tipo de percurso que ocorre com mais frequência é curto, o que significa circulação de veículos com os motores ainda frios. Sabe-se que esta circunstância constitui a condição menos favorável no que se refere à emissão de gases poluentes. Tecnologias recentes, como GPS e analisadores de gases portáteis, foram usados para se obterem dados fundamentais para o trabalho, como velocidade, tempo, coordenada espacial, aceleração, mensuração

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27

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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28

Burrows, John Antony. "An investigation into the cold start performance of automotive diesel engines." Thesis, University of Nottingham, 1998. http://eprints.nottingham.ac.uk/13249/.

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The cold start performance of automotive diesel engines is currently poor when compared to similar gasoline units. This thesis describes an experimental and theoretical investigation into the factors limiting diesel cold start behaviour. Studies have been carried out on IDI and DI designs of engine. Start behaviour has been characterised in terms of times taken to complete various stages of startup, engine speed variations and processes which affect these. Combustion and friction behaviour have been investigated in detail. Engine friction losses are dependent on temperature. During start-up th

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29

Li, Qile. "Combustion aided by a glow plug in diesel engines under cold idling conditions." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/35875/.

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Glow plugs are widely used to promote the desired cold start and post-cold start combustion characteristics of light duty diesel engines. The importance of the glow plug becomes more apparent when the compression ratio is low. An experimental investigation of combustion initiation and development aided by the glow plug has been carried out on a single cylinder HPCR DI diesel engine with a low compression ratio of 15.5:1. High speed imaging of combustion initiated by the glow plug in a combustion bomb has been used to add understanding of initiation process. Complementary CFD studies have been

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30

Cuseo, James M. (James Michael). "Cold start fuel management of port-fuel-injected internal combustion engines." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/32380.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2005.<br>Includes bibliographical references (p. 64).<br>The purpose of this study is to investigate how changes in fueling strategy in the second cycle of engine operation influence the delivered charge fuel mass and engine out hydrocarbon (EOHC) emissions in that and subsequent cycles. Close attention will be paid to cycle-to-cycle interaction of the fueling strategy. It is our intent to see if residual fuel from each cycle has a predicable influence on subsequent cycle's charge mass and EOHC emissions. Th

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31

Lee, Dongkun. "Effects of secondary air injection during cold start of SI engines." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/57990.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 115-117).<br>The paucity of exhaust oxygen during cold start of automobile SI engines limits the extent of exothermic chemical reactions in the exhaust port, manifold, and catalyst. The injection of air into the exhaust system therefore could be an effective way to utilize additional thermal and chemical energy available in the exhaust gas. This study was initiated to investigate the thermal and chemical processes ass

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Lee, Dongkun. "Effects of charge motion control during cold start of SI engines." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33915.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2005.<br>Includes bibliographical references (p. 87-88).<br>An experimental study was conducted to investigate the effects of various intake charge motion control approaches on the cold start-up process of a port fuel injected SI engine. Engine experiments were performed to assess the effectiveness of enhanced charge motion on mixture preparation, combustion, and hydrocarbon (HC) emissions. Different charge motions were produced by three different shapes of charge motion control valves (CMCV), which block of

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33

White, Philip J. "Computer-aided investigation into the cold start performance of spark ignition engines." Thesis, University of Nottingham, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339563.

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Rodríguez, Juan Felipe. "Investigations on the pollutant emissions of gasoline direct injection engines during cold-start." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104130.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 200-208).<br>As the CO2 emission standards around the world become more stringent, the turbocharged downsized gasoline direct injection (GDI) engine provides a mature platform to achieve better fuel economy. For this reason, it is expected that t

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Ketterer, Justin Edward. "Soot formation in direct injection spark ignition engines under cold-idle operating conditions." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/85538.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 167-175).<br>Direct injection spark ignition engines are growing rapidly in popularity, largely due to the fuel efficiency improvements in the turbo-downsized engine configuration that are enabled by direct injection technology. Unfortunately, direct injection spark ignition engines also emit higher concentrations of particulate matter than conventional port fuel injected engines. In light of evidence linking p

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Darnton, Nicholas Julian. "Fuel consumption and pollutant emissions of spark ignition engines during cold-started drive cycles." Thesis, University of Nottingham, 1997. http://eprints.nottingham.ac.uk/13250/.

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This thesis details the development and evaluation of a procedure to predict the fuel consumption and pollutant emissions of spark ignition engines during cold-started drive cycles. Such predictions are of use in the early development and optimisation of an engine and vehicle combination with regard to legislated limits on vehicle performance over defined drive cycles. Although levels of pollutant emissions are the main focus of legislation, reducing fuel consumption is also of interest and drive cycle fuel consumption figures provide a useful benchmark of vehicle performance appraisals. The p

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Cheng, Kon Yaw. "Processes influencing the indicated work output of direct injection diesel engines during cold starting." Thesis, University of Nottingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246407.

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PERINI, RINALDO. "O uso da difracao de raios X para determinacao da tensao residual induzida pelo processo de roleteamento de uma camisa de cilindro de motor diesel." reponame:Repositório Institucional do IPEN, 2008. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11772.

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Made available in DSpace on 2014-10-09T12:55:39Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:05:05Z (GMT). No. of bitstreams: 0<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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Cedrone, Kevin David. "Control strategy for hydrocarbon emissions in turbocharged direct injection spark ignition engines during cold-start." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/81693.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 185-191).<br>Gasoline consumption and pollutant emissions from transportation are costly and have serious, demonstrated environmental and health impacts. Downsized, turbocharged direct-injection spark ignition (DISI) gasoline engines consume less fuel and achieve superior performance compared with conventional port fuel injected spark ignition (PFI-SI) engines. Although more efficient, turbocharged DISI engines have n

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Ramírez, Hernández José Gustavo. "Combustion studies for high speed direct injection diesel engines under low temperature cold start conditions." Doctoral thesis, Universitat Politècnica de València, 2012. http://hdl.handle.net/10251/16690.

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Road transportation sector faces nowadays the challenge of satisfying the growing demands for mobility and at the same time to reduce its negative impact on environment. The panorama for the future is to reduce to zero the tank-to-wheel emissions levels with electric vehicles. Nevertheless, the extended use and massive production of this kind of vehicles is compromised due to different factors. On the one hand, the technology has to keep evolving in order to improve its reliability and to reduce acquisition costs. And on the other hand, cities, legislations and users have to get ready in order

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Ammons, Tony L. "The Post Cold War Civil Engineer Corps : what has changed and why." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1997. http://handle.dtic.mil/100.2/ADA341204.

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Thesis (M.S. in Management) Naval Postgraduate School, December 1997.<br>"December 1997." Thesis advisor(s): Richard Doyle, Patrick Parker. Includes bibliographical references (p. 57). Also available online.

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Ferguson, Kevin M. "Design and cold flow evaluation of a miniature Mach 4 Ramjet." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Jun%5FFerguson.pdf.

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Thesis (M.S. in Aeronauticl Engineering)--Naval Postgraduate School, June 2003.<br>Thesis advisor(s): Garth V. Hobson, Raymond P. Shreeve. Includes bibliographical references (p. 67). Also available online.

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Winborn, Lorne Derek. "The cold operation of SI engines and the significance of fuel losses, oil dilution and mixture gas/fuel ratio." Thesis, University of Nottingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366597.

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Lang, Kevin R. 1980. "Reducing cold start hydrocarbon emissions from port fuel injected spark ignition engines with improved management of hardware & controls." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36191.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2006.<br>Includes bibliographical references (p. 163-165).<br>An experimental study was performed to investigate strategies for reducing cold start hydrocarbon (HC) emissions from port fuel injected (PFI) spark ignition (SI) engines with better use of existing hardware and control systems. Engine experiments and computer simulations were used for three major phases of the project: the effect of variable valve timing on first cycle mixture preparation, the interaction between fuel injection and valve events

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Warnecke, Tanya Elizabeth. "Using genomics to engineer selections for strain development: Improving the understanding of 3-hydroxypropionic acid tolerance of Escherichia coli." Connect to online resource, 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3337225.

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Tóth, Balázs. "Two-phase flow investigation in a cold-gas solid rocket motor model through the study of the slag accumulation process." Doctoral thesis, Universite Libre de Bruxelles, 2008. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210575.

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The present research project is carried out at the von Karman Institute for Fluid Dynamics (Rhode-Saint-Genèse, Belgium) with the financial support of the European Space Agency.<p><p>The first stage of spacecrafts (e.g. Ariane 5, Vega, Shuttle) generally consists of large solid propellant rocket motors (SRM), which often consist of segmented structure and incorporate a submerged nozzle. During the combustion, the regression of the solid propellant surrounding the nozzle integration part leads to the formation of a cavity around the nozzle lip. The propellant combustion generates liquefied alum

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Winegardner, Zachary. "The Digital Tool in the Curious Maker’s Hand: Critical Exploration Processes to Engage Historical Paintings for New Inquiry and Dialogue." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1524061715427681.

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Barbour, Kelli D. "Hermine Cloeter, Feuilletons, and Vienna: A Flaneuse and Urban Cultural Archaeologist Wandering Through Opaque Spaces, Bridging Past and Present to Reclaim What Could Be Lost." Diss., CLICK HERE for online access, 2004. http://contentdm.lib.byu.edu/ETD/image/etd513.pdf.

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Souflas, Ioannis, Antonios Pezouvanis, Byron A. Mason, and Kambiz M. Ebrahimi. "Dynamic modeling of a transient engine test cell for cold engine testing applications." 2014. http://hdl.handle.net/10454/9846.

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No<br>The increasing complexity in the development and manufacturing process of internal combustion engines leads to a higher demand for more effective testing and monitoring methods. Cold engine testing becomes progressively the main End-of-Line test which is used nowadays from automotive engine manufacturers with the purpose of determining the integrity of engine assembly. The present work is focused on the development of a detailed physics-based, lumped-parameter, dynamic model of a single cylinder internal combustion engine coupled with an alternating current transient dynamometer for cold

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Kuo, Yang-Che, and 郭仰哲. "The Simulation of the Cold Flow Field in the Diesel Engine." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/34047470095731765101.

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碩士<br>國立雲林科技大學<br>機械工程系碩士班<br>90<br>The research is performed against a YAMAHA ME200F three cylinders direct injection marine diesel engine. The target of this study is to explore the effects of fuel injection velocity, injection angle, and the Sauter mean radius on the engine’s in-cylinder temperature, pressure, flow field, spray pattern, turbulent kinetic energy (TKE), and the HC concentration distributions in the cylinder. These findings can suggest the manufacture a better engine parameter set to achieve excellent fuel/air mixing efficiency. The KIVA-II program is a phenomenol

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