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Thèses sur le sujet « Engitec »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 31 juillet 2025

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1

Joo, Won-Gu. "Intake/engine flowfield coupling in turbofan engines." Thesis, University of Cambridge, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.319865.

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Boswell, Michael John. "Gas engines for domestic engine-driven heat pumps." Thesis, Oxford Brookes University, 1992. http://radar.brookes.ac.uk/radar/items/37f7ed18-4b86-6ab3-8ba6-1c27947fb1ce/1.

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An experimental and theoretical investigation has been undertaken into the performance of a small prototype, water-cooled, gas-fuelled engine designed for use as a domestic heat pump prime mover. In light of the application, fuel type and capacity, both experimental and theoretical study of similar engines is at best poorly documented in the literature. A comprehensive engine test facility has been set up, incorporating extensive calorimetry, a separate lubrication system, emissions monitoring and high speed data acquisition for in-cylinder pressure measurement and analysis. Two new experiment

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3

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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4

Blaauw, Pieter. "Search engine poisoning and its prevalence in modern search engines." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1002037.

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The prevalence of Search Engine Poisoning in trending topics and popular search terms on the web within search engines is investigated. Search Engine Poisoning is the act of manipulating search engines in order to display search results from websites infected with malware. Research done between February and August 2012, using both manual and automated techniques, shows us how easily the criminal element manages to insert malicious content into web pages related to popular search terms within search engines. In order to provide the reader with a clear overview and understanding of the motives a

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5

Lee, Byungho. "Methodology for rapid static and dynamic model-based engine calibration and optimization." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1117638435.

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Thesis (Ph. D.)--Ohio State University, 2005.<br>Title from first page of PDF file. Document formatted into pages; contains xv, 222 p.; also includes graphics. Includes bibliographical references (p. 211-222) Available online via OhioLINK's ETD Center

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6

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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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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8

Sanders, Matthew Graham. "Analytical applications of the peroxyoxalate chemiluminescence reaction." Thesis, University of Plymouth, 1999. http://hdl.handle.net/10026.1/1832.

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The overall objectives of this thesis were to investigate the potential of the peroxyoxalate chemiluminescence (POOL) reaction for the quantitative detection of target analytes in non-aqueous matrices and to compare quantitative performance with fluorescence detection. The target analytes investigated were polycyclic aromatic hydrocarbons (PAHs) and aliphatic amines. These were selected as an important class of compounds in engine exhaust emissions and a detergent additive in diesel fuel respectively. Chapter one outlines the challenges of analysing petroleum products and engine exhaust emissi

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9

SHOJAEE, Maryam. "Modelling for the thermal degradation of engine oil in diesel engines." Thesis, KTH, Skolan för kemivetenskap (CHE), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-175385.

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Thermal oil oxidation is an important reason for the engine oil degradation in trucks. Having a comprehensive model that includes all the influential factors while it is feasible for being implemented in the ECUs, was aimed for this work. Therefore, the chemical investigating of the problem leaded to propose a first kinetic model and its thermal analysis caused modelling the oil thermal behaviour. The latter was developed for four compartments: Bearings, turbocharger, piston cooling and oil sump in the oil path through the lubrication system, because the highest oil temperature happens due to

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10

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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11

Kalinov, Pavel. "Intelligent Web Exploration." Thesis, Griffith University, 2012. http://hdl.handle.net/10072/365635.

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The hyperlinked part of the internet known as "the Web" arose without much planning for a future of millions of publishers and countless pieces of online content. It has no in-built mechanism to find anything, so tools external to it were introduced: initially web directories and then search engines. Search engines are based on machine learning and have been extremely successful. However, they have some inherent limitations and cannot, by design, address some needs: they serve the "information locating" need only and not "information discovery". Search engine users have learned to accept them

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12

Purdy, Graeme Robert. "Engine testing and modelling of transient fuelling control strategies for four-stroke engines." Thesis, Queen's University Belfast, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388055.

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13

Varelis, Angelos G. "Technoeconomic study of engine deterioration and compressor washing for military gas turbine engines." Thesis, Cranfield University, 2008. http://dspace.lib.cranfield.ac.uk/handle/1826/9584.

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Despite spending much of their operating life in clear air, aircraft gas turbine engines are naturally prone to deterioration as they are generally not fitted with air filters. Engines are particularly at risk during takeoff and landing, and whilst operating in areas of pollution, sand, dust storms, etc. The build-up of contaminants, especially on the compressor surfaces, leads to a dramatic reduction in compressor efficiency, which gives rise to a loss of available power, increased fuel consumption and increased exhaust gas temperature. These conditions can lead to flight delays, inspection f

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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

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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16

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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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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18

Ozdemir, Ali. "Experimental Investigation Of Use Of Canola Oil As A Diesel Fuel." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/2/12609954/index.pdf.

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In this study, canola oil has been selected for the test on a diesel engine and its suitability as an alternative fuel has been examined. To decrease the high viscosity of canola oil, the effect of temperature on viscosity has been researched. Then the fuel delivery system has been modified to heat canola oil before injecting the oil into the combustion chamber. Also, ethanol has been tested as an additive by blending with canola oil. An experimental setup has been installed according to standards to carry out tests. The set up has been controlled with a computer to take measurements more prec

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19

MANELLI, ANDREA. "Engine Technologies for Reduction of Fuel Consumption and Pollutant Emissions in Light-Duty Diesel Engines." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2971996.

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20

Bagheri, Amirhossein. "Preliminary Analysis of an Innovative Rotary Displacer Stirling Engine." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc822801/.

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Stirling engines are an external combustion heat engine that converts thermal energy into mechanical work that a closed cycle is run by cyclic compression and expansion of a work fluid (commonly air or Helium) in which, the working fluid interacts with a heat source and a heat sink and produces network. The engine is based on the Stirling cycle which is a subset of the Carnot cycle. The Stirling cycle has recently been receiving renewed interest due to some of its key inherent advantages. In particular, the ability to operate with any form of heat source (including external combustion, flue g

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21

Yarlagadda, Santosh. "Performance Analysis of J85 Turbojet Engine Matching Thrust with Reduced Inlet Pressure to the Compressor." University of Toledo / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1271367584.

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22

Manley, Karen Jane. "Factors leading to offshore manufacture of Australian inventions: the case of the orbital combustion process engine." Thesis, Manley, Karen Jane (1994) Factors leading to offshore manufacture of Australian inventions: the case of the orbital combustion process engine. PhD thesis, Murdoch University, 1994. https://researchrepository.murdoch.edu.au/id/eprint/489/.

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This thesis focuses on the factors which lead to off-shore manufacture of Australian inventions. It establishes this phenomenon as a problem, both in terms of its incidence in the post-war period, and in the strategic importance of innovative activity to economic growth. The thesis utilises a case study approach and concentrates on the experiences of one company, the Orbital Engine Corporation (Orbital). In 1989 Ralph Sarich, inventor of the Orbital Combustion Process (OCP) engine and founder of Orbital, signed an agreement with the Michigan state government to manufacture the engine in the Un

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Manley, Karen Jane. "Factors leading to offshore manufacture of Australian inventions : the case of the orbital combustion process engine." Murdoch University, 1994. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20080115.124359.

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This thesis focuses on the factors which lead to off-shore manufacture of Australian inventions. It establishes this phenomenon as a problem, both in terms of its incidence in the post-war period, and in the strategic importance of innovative activity to economic growth. The thesis utilises a case study approach and concentrates on the experiences of one company, the Orbital Engine Corporation (Orbital). In 1989 Ralph Sarich, inventor of the Orbital Combustion Process (OCP) engine and founder of Orbital, signed an agreement with the Michigan state government to manufacture the engine in the Un

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24

Catanese, Alessandro. "Emission characterization and cylinder pressure information for applications in the electronic engine management of diesel engines." Thesis, University of Nottingham, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.486702.

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In the last few years, diesel engines for passenger cars and light commercial vehicles have achieved in Europe a level of success as never before and, to-Ã‚Â· day, several manufacturers are looking at the US market for the close future. This has been possible thanks to the exploitation of turbocharging systems and highly flexible fuel injection equipment which have increased the specific power output of the engine, reducing in the same time the combustion noise and maintaining the high level of fuel efficiency typical of this kind of powertrain. On the other hand the complexity of diesel engin

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25

Costanzo, Vincent S. (Vincent Stanley) 1979. "Effect of in-cylinder liquid fuel films on engine-out unburned hydrocarbon emissions for SI engines." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/65276.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, February 2011.<br>"February 2011." Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 265-270).<br>Nearly all of the hydrocarbon emissions from a modern gasoline-fueled vehicle occur when the engine is first started. One important contributing factor to this is the fact that, during this time, temperatures throughout the engine are low - below the point at which all of the components of the gasoline can readily vaporize. Consequently, any fuel that enters the combustion chambe

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CASTILLO, MARCANO SERGIO JOSE. "Technological approaches to improve the engine efficiency and to reduce pollutant emissions of automotive diesel engines." Doctoral thesis, Politecnico di Torino, 2014. http://hdl.handle.net/11583/2588574.

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The research work was mainly focused on the technological approach to improve engine efficiency and reduce pollutant emissions applicable to diesel engines which are very often incompatible were assessed through a set of full- scale tests on a real diesel engine in order to satisfy the new emissions limits. (1) The first strategy evaluated in this work to improve the engine efficiency was the reduction of the mechanical losses: through the incorporation of nanomaterials in the lubricant formulation. The effect of the lubricant oil additivated with MoS2 nanopowders was assessed through a set o

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27

Telesz, Mark P. "Design and Testing of a Thermoacoustic Power Converter." Thesis, Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/11495.

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Thermoacoustic engines convert heat into acoustic pressure waves with no moving parts; this inherently results in high reliability, low maintenance and low manufacturing costs. Significant increases in the performance of these devices have enabled rivalry with more mature energy conversion methods in both efficiency and power output. This optimal production of acoustic power can be ultimately used to achieve cryogenic temperatures in thermoacoustic refrigerators, or can be interfaced with reciprocating electro-acoustic power transducers to generate electricity. This thesis describes the des

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Vaish, Sarthak. "A study of the friction (piston-liner interaction) in internal combustion engines using a Floating Liner Engine." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/108920.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 88-91).<br>With the increasing interest in decreasing the environmental impact from internal combustion engines as well as increasing the fuel efficiency has led to deeper investigation into the components of the engine. The mechanical friction in an engine is a major concern, any improvements or reductions in friction can have large implication on the' efficiency of the engines. This thesis focuses on the piston

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Welling, Orian. "Megaknock in downsized engines : the impact of engine lubricants on pre-ignition, and the scope for improvement." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608144.

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Ford, Sean T. "Aerothermodynamic cycle design and optimization method for aircraft engines." Thesis, Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53006.

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This thesis addresses the need for an optimization method which can simultaneously optimize and balance an aerothermodynamic cycle. The method developed is be able to control cycle design variables at all operating conditions to meet the performance requirements while controlling any additional variables which may be used to optimize the cycle and maintaining all operating limits and engine constraints. The additional variables represent degrees of freedom above what is needed for conservation of mass and energy in the engine system. The motivation for such a method is derived from variable c

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Pavelec, Sterling Michael. "The development of turbojet aircraft in Germany, Britain, and the United States : a multi-national comparison of aeronautical engineering, 1935-1946 /." The Ohio State University, 2004. http://www.ohiolink.edu/etd/send-pdf.cgi/Pavelec%20Sterling%20Michael.pdf?acc_num=osu1082396007.

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Bjugstad, Line. "Study of the role of engine control in the value chain for biofuels in modern "ultra clean" engines." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-24832.

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The climate changes caused by the combustion of fossil fuels in the transportation sector have, along with a decrease in fossil fuel reserves, resulted in an increased interest in developing alternative fuels. Biofuels are one of the most prominent options and with an expansion in the use of these fuels, it is important to understand all aspects of the environmental effect they impose.First generation biofuels are the commercial available biofuels today. Since their feedstock origins from food and oil-seed crops there is a great skepticism around their sustainability, creating a focus on resea

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Rounce, Paul Lindsey. "Engine performance and particulate matter speciation for compression ignition engines powered by a range of fossil and biofuels." Thesis, University of Birmingham, 2011. http://etheses.bham.ac.uk//id/eprint/2812/.

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Fuels: Non-renewable fossil fuels are the largest man-made contributor to global warming. Biofuel market share will increase, promoted by renewability, inherent lower net CO\(_2\) emissions, and legislation. The environmental and human health impact of diesel exhaust emission particulate matter (PM) is a major concern. Fossil diesel PM aftertreatment systems exist. Near future fuel PM research and the evaluation of current aftertreatment technology, highlight a route for future development. Using a holistic approach this body of work studies the interdependence between the fuel, the CI engine

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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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Henriksson, Adam. "Alternative Search : From efficiency to experience." Thesis, Umeå universitet, Institutionen Designhögskolan, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-97836.

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Search engines of today are focusing on efficiently and accurately generating search results.Yet, there is much to be explored in the way people interact with the applications and relate to the content. Individuals are commonly unique, with complex preferences, motives and expectations. Not only is it important to be sensitive to these differences, but to accommodate the extremes. Enhancing a search engine does not only rely on technological development, but to explore potential user experiences in broader perspectives - which not only gratifies the needs for information, but supports a divers

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Voda, Tomáš. "Modelování a řízení leteckých proudových motorů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-316391.

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This thesis deals with the description of aircraft engines, their control requirements and control possibilities of these engines. In the practical part, the Jetcat P80-SE engine model was created. This model was then verified against a real engine with measured actual engine speed and temperature. These parameters were then compared with simulated engine speed and temperature. Due to this comparison we can say that it was possible to create a model of the engine that corresponds to the real engine. In addition, the speed controller was designed to meet the control requirements over the speed

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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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Hoegel, Benedikt. "Thermodynamics-based design of stirling engines for low-temperature heat sources." Thesis, University of Canterbury. Mechanical Engineering, 2014. http://hdl.handle.net/10092/9344.

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Large amounts of energy from heat sources such as waste-eat and geothermal energy are available worldwide but their potential for useful power-generation is largely untapped. This is because they are relatively low temperature difference (LTD) sources, in the range from 100 to 200 °C, and it is thermodynamically diffcult, for theoretical and practical reasons, to extract useful work at these temperatures. This work explores the suitability of a Stirling engine (SE) to exploit these heat sources. Elsewhere much work has been done to optimise Stirling engines for high temperature heat sources, b

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Mello, Claudio Coelho de. "Projeto e construção de um condicionado de combustiveis." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/263066.

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Orientador: Paulo Roberto Gardel Kurka<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Mecanica<br>Made available in DSpace on 2018-08-11T04:00:47Z (GMT). No. of bitstreams: 1 Mello_ClaudioCoelhode_M.pdf: 11766357 bytes, checksum: 5f2659f4a4238bfbfaa4dd0e10c50790 (MD5) Previous issue date: 2006<br>Resumo: This study evaluates the existing technology of converting the various residues in oil refineries and compares with the new technology of that the Grupo Combustíveis Alternativos (GCA), in conjunction with Petrobras and CENPES would apply to the conver

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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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Cho, Yeunwoo 1973. "Modeling engine oil vaporization and transport of the oil vapor in the piston ring pack on internal combustion engines." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/30302.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.<br>Page 172 blank.<br>Includes bibliographical references (p. 129-130).<br>A model was developed to study engine oil vaporization and oil vapor transport in the piston ring pack of internal combustion engines. With the assumption that the multi-grade oil can be modeled as a compound of several distinct paraffin hydrocarbons, a set of equations governing the oil vapor density variations were derived by applying the mass conservation law to the amount of oil vaporized from the piston and the amount of oi

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Westerfield, Zach. "A study of the friction of the power cylinder system in internal combustion engines using a floating liner engine." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/100347.

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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 117-120).<br>The recent worldwide quest to increase the fuel efficiency of internal combustion engines has led to great effects to reduce friction of many of the components in these engines. One area of major concern pertaining to this area is the friction of the piston/ring pack assembly. Because of the importance and necessity of this component to the internal combustion engine, any improvements can have relati

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Skidmore, F. W., and n/a. "The influence of gas turbine combustor fluid mechanics on smoke emissions." Swinburne University of Technology, 1988. http://adt.lib.swin.edu.au./public/adt-VSWT20070420.131227.

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This thesis describes an experimental program covering the development of certain simple combustion chamber modifications to alleviate smoke emissions from the Allison T56 turboprop engines operated by the Royal Australian Air Force. The work includes a literature survey, smoke emission tests on two variants of the T56 engine, flow visualisation studies of the combustion system in a water tunnel and combustion rig tests of a standard combustor and four possible modifications. The rig tests showed that reductions in smoke emissions of 80% were possible by simple modifications that reduced the

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Олефіренко, Олег Михайлович, Олег Михайлович Олефиренко, Oleh Mykhailovych Olefirenko, Юлія Андріївна Сірік, Юлия Андреевна Сирик та Yuliia Andriivna Sirik. "Використання пошукової оптимізації сайту як засіб маркетингових комунікацій". Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/12295.

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GRASSI, ANDREA STEFANO. "VALORIZATION OF SECONDARY METAL RESOURCES THROUGH HYDROMETALLURGICAL PROCESSES." Doctoral thesis, Università degli Studi di Milano, 2022. http://hdl.handle.net/2434/920992.

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Abstract This executive doctorate project comes from the collaboration between the company Engitec Technologies S.p.A. and the Università degli Studi di Milano. The student joined the company staff, gaining access to the company laboratories and pilot plants. The project was focused on the study and optimization of hydrometallurgical processes for the recovery of metals from secondary resources. The two hydrometallurgical processes object of this work are proposed as alternatives to the state-of-the-art technologies applied worldwide for the recovery of zinc and lead. These two processes ar

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Adinolfi, Allegra. "ENGINE – ENel Global INtellingent Engine." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2022.

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Engine is the newest solution developed by the Integration Platform Team that will help Enel to manage, in the most efficient and innovative way, the document inbound. It is a generic platform, highly configurable for all the use cases, completely based on ML technique to recognize, classify and retrieve needed data from specific documentation in order to automate as many processes as possible. Engine is a novelty not only because of the AI techniques implemented but also because it will lead people to fastly move towards a data-driven mentality that today is crucial for such a big comp

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He, Yuesheng. "Effect of intake primary runner blockages on combustion characteristics and emissions in spark ignition engines." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1190053207.

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Potužáková, Karolína. "Změna v přístupech v SEO po updatech Penguin a Panda." Master's thesis, Vysoká škola ekonomická v Praze, 2014. http://www.nusl.cz/ntk/nusl-198614.

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Search engine algorithms are constantly improved in order to provide the highest quality and most relevant results for the user. Google algorithm updates called Panda and Penguin have recently been one of the most significant and many websites that use black hat SEO techniques were hit by them. Nowadays, using this search optimization's techniques raises the risk of Google penalty, which in most of the cases cause decrease in traffic from organic search. The aim of this thesis is to describe techniques of search engine optimization (SEO) and their possible impact on website's ranking. The thes

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Ndame, Ngangue Max Keller. "Etude théorique, conception, réalisation et essai préliminaire d'un moteur à air chaud à pistons liquides." Thesis, Pau, 2019. http://www.theses.fr/2019PAUU3004/document.

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Un moteur Ericsson est un moteur alternatif à apport de chaleur externe fonctionnant selon un cyclethermodynamique de Joule. Ce type de moteur est particulièrement intéressant pour la valorisationde certaines "sources chaudes" (l'énergie solaire, la biomasse, les effluents gazeux chauds...).Dans cette thèse, une configuration innovante de moteur est proposée. Celle-ci permet d'une part,de s’affranchir du problème d’étanchéité autour des pistons des moteurs Ericsson, par l'usage despistons liquides en lieu et place des pistons mécaniques et d'autre part, de simplifier le système dedistribution

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Gallaher, Shawn M. "A methodology for determining relationships between jet engine disk part geometry and feature dimensions." Ohio : Ohio University, 2002. http://www.ohiolink.edu/etd/view.cgi?ohiou1174662982.

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