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Rozprawy doktorskie na temat „Combustion and Emission”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Dhungel, Bhupesh [Verfasser]. "Experimental Investigations on Combustion and Emission Behaviour During Oxy-Coal Combustion / Bhupesh Dhungel." Aachen : Shaker, 2010. http://d-nb.info/1084536072/34.

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2

Puchakayala, Madhu Babu. "Mercury emission behavior during isolated coal particle combustion." [College Station, Tex. : Texas A&M University, 2006. http://hdl.handle.net/1969.1/ETD-TAMU-1153.

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3

Zhang, Fan. "Spray, combustion and emission characteristics of dieseline fuel." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4699/.

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The spray, combustion and emissions characteristics of diesel and gasoline blends (dieseline) were studied. Experimental results showed that the dieseline fuel spray had tip penetration length similar as diesel. With an increase of the gasoline/diesel blending ratio, the fuel droplets size decreased. When operating with dieseline, the engine's PM emissions were much lower than diesel. With advanced injection timing and large amounts of EGR, both the NOx and PM emissions of dieseline combustion were reduced significantly at part loads. Using split injection strategies gave even more flexibility

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4

Austarheim, Nikolai. "DNS of acoustic Instabilities in low Emission Combustion Systems." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for energi- og prosessteknikk, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-22356.

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In a state of the art gas turbine using Lean Pre-Mixed fuels one of the main challenges is efficient and reliable control of sound generated during combustion. Knowledge of sound generation in gas turbine combustion chambers has to be enhanced in order to develop a reliable model with predictive capabilites.In this thesis Direct Numerical Simulations of two dimensional laminar imploding circular flame fronts have been performed. One dimensional simulations of laminar opposing flame fronts have been performed to establish modeling conditions for the two dimensional simulations, evaluate the bou

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5

Labecki, Lukasz. "Combustion and emission characteristics of biofuels in diesel engines." Thesis, Brunel University, 2010. http://bura.brunel.ac.uk/handle/2438/5840.

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This study was concerned with the performance of biofuels in diesel engines. Generally, the basic combustion and emission characteristics of Rapeseed Oil (RSO) and Soya Oil (SO) result in a lower in-cylinder pressure peak than diesel. This led to the reduction of Nitrogen Oxides (NOx) emissions and to relatively high soot emissions. Further measurements of RSO were done in order to investigate the influence of injection pressure, injection timing and Exhaust Gas Recirculation (EGR) on combustion and emission characteristics. A high soot emission from RSO was reduced by increased injection pres

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6

Yi, Tongxun. "Reduced-Order Modeling and Active Control of Dry-Low-Emission Combustion." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1172865804.

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7

O'Nions, Phillip. "Low NOx combustion utilising a Coanda ejector burner." Thesis, University of Sheffield, 1998. http://etheses.whiterose.ac.uk/14674/.

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Current and future pollutant enussion legislation calls for decreased NOx emissions from combustion systems. A review of techniques used for NOx abatement led to the choice of combustor redesign to be the most cost effective method available. This led to the design, construction and development of a combustion system that utilised a Coanda ejector to generate recirculation of the exiting high temperature combustion products to mix with the air supply. Cooling of the burner was integrated into the design through the use of the air and fuel supplies. Computational fluid dynamics was used to mode

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8

Honnet, Sylvie. "Detailed and reduced kinetic mechanisms in low-emission combustion processes /." Göttingen : Cuvillier, 2007. http://d-nb.info/98605528X/04.

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9

Stroud, M. A. M. "The emission of particles in the combustion of diesel fuels." Thesis, City University London, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380540.

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10

Carabateas, Nicolas. "Two phase flow and combustion in S.I. engines." Thesis, Imperial College London, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.265853.

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11

Al-Fawaz, Abdullah Daifullah. "High efficiency, low emission oil and gas-fired industrial combustors." Thesis, University of Leeds, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.289804.

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12

Lindström, Mikael. "Methods for Characterization of the Diesel Combustion and Emission Formation Processes." Doctoral thesis, KTH, Maskinkonstruktion (Avd.), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-34140.

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In this thesis various aspects of the diesel engine fuel injection, combustion and emission formation processes have been evaluated. Several types of evaluation tools and methods have been applied. Fuel spray momentum was used to characterize injection rate and hole-to-hole variations in fuel injectors. Using both instantaneous fuel impulse rates and instantaneous mass flow measurements, spray velocity and nozzle flow parameters were evaluated. Several other hole-to-hole resolved injector characterization methods were used to characterize a set of fuel injectors subjected to long term testing.

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13

Edgerton, Sylvia Anne. "Gaseous tracers in receptor modeling : methyl chloride emission from wood combustion /." Full text open access at:, 1985. http://content.ohsu.edu/u?/etd,84.

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14

Alves, Marcel Martins. "Employment of acoustic field for pollutant emission reduction under lean combustion." Instituto Tecnológico de Aeronáutica, 2011. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=1930.

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Pulsating combustion is a technique that directly intervenes in combustion processes modifying pollutant emissions and increasing thermal efficiency by varying pressure and temperature in the flame region. The pulsations accelerate mixture rate between oxidant and fuel, resulting in a more intense combustion process, with low fuel waste and potential for low emission of pollutants originated by partial combustion, such as carbon monoxide, unburned hydrocarbons, and soot. The flame structure is modified by introducing an acoustic field in the process, and the flame has its color changed from ye

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15

Kaltner, Wolfgang. "Hollow sphere structures for the emission limitation of internal combustion engines." kostenfrei, 2008. http://mediatum2.ub.tum.de/doc/650302/650302.pdf.

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16

Lee, John C. Y. "Reduction of NOx emission for lean prevaporized-premixed combustors /." Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/7035.

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17

Khandelwal, Bhupendra. "Development of gas turbine combustor preliminary design methodologies and preliminary assessments of advanced low emission combustor concepts." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/9157.

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It is widely accepted that climate change is a very serious environmental concern. Levels of carbon dioxide (CO2) and other emissions in the global atmosphere have increased substantially since the industrial revolution and now increasing faster than ever before. There is a thought that this has already led to dangerous warming in the Earth’s atmosphere and relevant changes around. Emissions legislations are going to be stringent as the years will pass. Hydro carbon fuel cost is also increasing substantially; more over this is non- renewable source of energy. There is an urgent need for novel

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18

Lee, Sang-Rin. "Mechanistic study of sorbent injection for vanadium emission control in combustion systems." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0009100.

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19

Wiinikka, Henrik. "High temperature aerosol formation and emission minimisation during combustion of wood pellets /." Luleå : Luleå University of Technology, 2005. http://epubl.luth.se/1402-1544/2005/18.

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20

Wu, Ning. "Autoignition and emission characteristics of gaseous fuel direct-injection compression-ignition combustion." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/357.

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Heavy-duty natural gas engines offer air pollution and energy diversity benefits. However, current homogeneous-charge lean-burn engines suffer from impaired efficiency and high unburned fuel emissions. Natural gas direct-injection engines offer the potential of diesel-like efficiencies, but require further research. To improve understanding of the autoignition and emission characteristics of natural gas direct-injection compression-ignition combustion, the effects of key operating parameters (including injection pressure, injection duration, and pre-combustion temperature) and gaseous fuel com

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21

Hilton, Moira. "Passive emission monitoring of remote combustion gases using Fourier transform infrared spectroscopy." Thesis, University of Reading, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262592.

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22

Lowe, David Patrick. "Characterisation of combustion related acoustic emission sources for diesel engine condition monitoring." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/62454/2/David_Lowe_Thesis.pdf.

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This thesis represents a major step forward in understanding the link between the development of combustion related faults in diesel engines and the generation of acoustic emissions. The findings presented throughout the thesis provide a foundation so that future diesel engine monitoring systems are able to more effectively detect and monitor developing faults. In undertaking this research knowledge concerning engine function and relevant failure mechanisms was combined with different modelling methods to generate a framework that was used to effectively identify fault related activity within

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23

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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24

Dou, Chang. "Cooking fuels in China : contaminant emission and energy aspects." Thesis, Högskolan i Gävle, Avdelningen för bygg- energi- och miljöteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-11996.

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At present, the main cooking fuels inChinaare natural gas, coal gas, liquefied petroleum gas (LPG), coal, biogas, wood and straw. This paper reviews the characteristics, advantages, disadvantages and the current application status of these different cooking fuels. Moreover, a questionnaire survey is presented, dealing with different cooking fuels in Chinese households and the occupants’ perceived health, ventilation behaviors and general knowledge in potential health hazards. About 56% of the respondents of the questionnaire survey stated that symptoms like itching eyes, dry or irritated throa

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25

Eggenspieler, Gilles. "Numerical simulation of pollutant emission and flame extinction in lean premixed systems." Diss., Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-06222005-132512/.

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Thesis (Ph. D.)--Aerospace Engineering, Georgia Institute of Technology, 2006.<br>Yedidia Neumeier, Committee Member ; Jerry Seitzman, Committee Member ; Fotis Sotiropoulos, Committee Member ; Tim Lieuwen, Committee Member ; suresh menon, Committee Chair.

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26

Ayranci, Kilinç Işil. "A nonintrusive diagnostics technique for flame soot based on near-infrared emission spectrometry." Lyon, INSA, 2007. http://www.theses.fr/2007ISAL0037.

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A novel nonintrusive soot diagnostics methodology was developed, validated and applied for in-situ determination of temperature, volume fraction and refractive index of soot aggregates formed inside flames by using near-infrared emission spectrometry. Research was conducted in three main parts, first one addressing development and validation of a comprehensive direct model for simulation of line-of-sight radiative emission from axisymmetric sooty flames by coupling sub-models for radiative transfer, radiative properties and optical constants. Radiative property for soot agglomerates was invest

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27

Hu, Jianrong. "Experimental studies of diesel combustion and emission in an optically-accessed diesel engine." Thesis, Brunel University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266649.

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28

Dunkley, Paul. "The investigation and application of OET (Optical Emission Tomography) as a combustion diagnostic." Thesis, University of Warwick, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403115.

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29

Håkansson, David. "Aerothermal and Kinetic Modelling of a Gas Turbine Dry Low Emission Combustion System." Thesis, KTH, Strömningsmekanik och Teknisk Akustik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-298477.

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Growing environmental concerns are causing a large transformation within the energy industry. Within the gas turbine industry, there is a large drive to develop improved modern dry-low emission combustion systems. The aim is to enable gas turbines to run on green fuels like hydrogen, while still keeping emission as NOx down. To design these systems, a thorough understanding of the aerothermal and kinetic processes within the combustion system of a gas turbine is essential. The goal of the thesis was to develop a one-dimensional general network model of the combustion system of Siemens Energy S

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30

Bartos, Daniel Ambrose. "Detection and Characterisation of Combustion Formed Nanoparticles Using Time-Resolved Laser-Induced Emission." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/18880.

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This thesis provides an improved characterisation of the evolution of soot nanoparticles in laminar and turbulent flames with a particular focus on the transition from nucleation to solid particles where intermediate structures occur. Laser light at 266 nm is primarily used for Laser-Induced Fluorescence (LIF) measurements as a means to detect and characterise incipient soot nanostructures that retain molecular qualities. These species have a size in the order of a few nanometres and do not absorb light at longer visible and infrared (IR) wavelengths. In addition, the 266 nm laser is used for

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31

Lawrence, Andrew David. "The emission of nitrogen oxides from the combustion of coal in a fluidized bed." Thesis, University of Cambridge, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308279.

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32

Gao, Xiangpeng. "Emission of inorganic particulate matter during the combustion of biomass, biochar and Collie coal." Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/2074.

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Coal is an important part of Australia's energy mix and is expected to continue to play an essential role in supplying cheap and secure energy for powering the Australian economy in the foreseeable future. However, coal-based stationary electricity generation is a key contributor to greenhouse gas (e.g. CO2) emission, which is widely believed to be responsible for global warming and problems related to climate change. Therefore, renewable energy sources such as biomass are becoming increasingly important. In Australia, mallee biomass as a byproduct of managing dryland salinity in agricultural

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33

Lakkis, Sari. "New Gas Sensor for Exhaust Emissions of Internal Combustion Engines." Thesis, Versailles-St Quentin en Yvelines, 2014. http://www.theses.fr/2014VERS0064/document.

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L’analyse des gaz d’échappement des moteurs à combustion interne a été traditionnellement réalisée en laboratoires en utilisant des analyseurs de gaz en vrac avec des équipements coûteux. Afin de créer un système capable de réaliser le travail de ces analyseurs, un capteur pouvant détecter plusieurs gaz simultanément est indispensable pour en mesurer la concentration. En effet, utiliser un capteur pour chaque gaz est couteux et peut amener à des procédures complexes d’analyse en raison des différentes technologies utilisées. De plus, l’utilisation de multiples capteurs donne lieu à une perte d

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34

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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35

Lu, Pin. "Investigation of gasoline partially premixed combustion in a single cylinder optical diesel engine." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/10463.

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Gasoline Partially Premixed Combustion (PPC) was investigated in a single cylinder optical diesel engine. The PPC operation was achieved with a combination of high dilution and higher intake charge temperature at part-load conditions using Primary Reference Fuel (PRF). The relative air/fuel ratio (λ) was set to 2.3 and the EGR rate at 22%. Split injections of three fuel distribution strategies (50:50, 70:30 and 30:70) were studied. In addition, the effect of injection pressure (900 and 1200 bar) was investigated for each injection timing. The emission and performance of the gasoline PPC operat

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36

Fortunato, Valentina. "Development and testing of combustion chambers for residential micro gas turbine applications." Doctoral thesis, Universite Libre de Bruxelles, 2017. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/256708.

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Nowadays, in the field of energy production, particular attention must be paid to improving efficiency, reducing pollutants and fuel flexibility. To reach those goals, cogenerative systems represent an appealing solution. One of the most promising cogenerative systems available nowadays is the micro turbine, which provides reasonable electrical efficiency of about 30%, multi-fuel capability, low emission levels and heat recovery potential, and need minimum maintenance. Among the several options, micro gas turbines (mGT) are particularly interesting. Beside theuse of natural gas, other fuels li

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37

Villa, Tommaso Francesco. "Development of an unmanned aerial vehicle (UAV) system for in-situ characterization of combustion source emissions." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/114062/2/Tommaso_Francesco_Villa_Thesis.pdf.

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This research developed an Unmanned Aerial Vehicle System for atmospheric pollution assessment, contributing new methodology and knowledge to the fields of air quality, human health and human exposure. This system was tested, validated and employed to characterize gaseous and particle pollutant concentration generated by traffic from a motorway in open space within the atmospheric column, and emitted from a ship while operating at sea, to develop ship emission factors. It allows measurements of air pollution under conditions where sampling with the existing techniques is not feasible or poses

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38

Flora, Giacomo. "Fuel Structure Effects on Surrogate Alternative Jet Fuel Emission." University of Dayton / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1450286398.

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39

Villarroel, Milivoy. "The effects of cycle-to-cycle variations on nitric oxide (NO) emissions for a spark-ignition engine: Numerical results." Texas A&M University, 2004. http://hdl.handle.net/1969.1/1089.

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The objectives of this study were to 1) determine the effects of cycle-to-cycle variations (ccv) on nitric oxide (NO) emissions, and 2) determine if the consideration of ccv affects the average NO emission as compared to the mean cycle NO emission. To carry out the proposed study, an engine simulation model was used. The simulation determines engine performance and NO emissions as functions of engine operating conditions, engine design parameters, and combustion parameters. An automotive, spark-ignition engine at part load and 1400 rpm was examined in this study. The engine cycle simulation

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40

Massey, Jeffery A. "Indication of cylinder pressure rise rate by means of vibration and acoustic emissions of an internal combustion engine." Diss., Rolla, Mo. : Missouri University of Science and Technology, 2008. http://scholarsmine.mst.edu/thesis/pdf/Massey_09007dcc804cc3c8.pdf.

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Thesis (M.S.)--Missouri University of Science and Technology, 2008.<br>Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed April 1, 2008) Includes bibliographical references (p. 127-128).

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41

Hamedi, Naser. "Numerical Study of NOx and Flame Shape of a DLE Burner." Thesis, Linköpings universitet, Mekanisk värmeteori och strömningslära, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-86412.

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For natural gas combustion, there is a large amount of experience in the gas turbine industry. However, much of the design work is based on costly combustion tests due to insufficient accuracy of existing prediction tools for data such as emissions and effects due to fuel composition. In the present work, Computational Fluid Dynamics (CFD) approach is used to study partially premixed combustion in the 3rd generation DLE (Dry Low Emission) burner that is used in SGT-700 and SGT-800 gas turbines. The fuels that are studied here are natural gas and enriched hydrogen fuel. The CFD models which are

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42

Abdou, Wael Saber Soliman. "Identification of acoustic emission sources in machinery : application to injection/combustion processes in diesel engines." Thesis, Heriot-Watt University, 2015. http://hdl.handle.net/10399/2979.

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The high temporal resolution of Acoustic Emission offers great promise in the on-line monitoring of complex machines such as diesel engines. The fuel injection process is one of the most important processes in the diesel engine and its timing and fuel delivery control are critical in combustion efficiency. In this work, the phenomena leading to the generation of acoustic emission during injection are investigated by simulation of the injection process in a specially designed rig and through test in running engines on a test-bed. Signal processing approaches are devised to produce diagnostic in

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Nicol, David Gardner. "A chemical kinetic and numerical study of NOx and pollutant formation in low-emission combustion /." Thesis, Connect to this title online; UW restricted, 1995. http://hdl.handle.net/1773/7033.

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Gathitu, Benson Baari. "Reduction of emission of nitric oxide from combustion processes and utilization of abundant carbon dioxide /." Full text available from ProQuest UM Digital Dissertations, 2008. http://0-proquest.umi.com.umiss.lib.olemiss.edu/pqdweb?index=0&did=1826914041&SrchMode=1&sid=1&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1268344554&clientId=22256.

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Thesis (Ph.D.)--University of Mississippi, 2008.<br>Typescript. Vita. "December 2008." Major professor: Dr. Wei-Yin Chen Includes bibliographical references (leaves 121-134). Also available online via ProQuest to authorized users.

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Li, Yi. "Ash cenosphere formation, fragmentation and its contribution to particulate matter emission during solid fuels combustion." Thesis, Curtin University, 2012. http://hdl.handle.net/20.500.11937/101.

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Electricity generated from stationary coal-fired power stations has been playing an important role in powering the global economy and is projected to continue its key role in the foreseeable future. However, substantial quantities of fly ash are produced from coal-fired power stations as solid wastes every year, not only exerting significant pressure on waste management but also having adversely impacts on environment. Therefore, there has been considerable R&D to develop technologies for minimizing these adverse impacts of fly ash via various routes e.g. fly ash utilisation.Ash cenospheres ar

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46

Jafari, Mohammad. "Condition monitoring and diagnostics for internal combustion engines using in-cylinder pressure and acoustic emission." Thesis, Queensland University of Technology, 2020. https://eprints.qut.edu.au/205996/1/Mohammad_Jafari_Thesis.pdf.

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This thesis aims to provide greater understanding of engine operation through the application of in-cylinder pressure and engine structure-borne acoustic emissions, together with advanced data analysis such as cepstrum and principal component analysis. The analysis methods, coupled with the sensors, utilised in this research resulted in improved reliability in the tools and information that will be required in the development of more efficient and reliable engines. This research will be a useful resource for internal combustion engine researchers and industries.

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Arthozoul, Simon Jean Louis. "Study of the association of premixed and diffusive combustion processes on the combustion and pollutant emissions in a mid-size Diesel engine." Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/63262.

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[EN] The main objective of this thesis is the analysis and comprehension of the association of two different combustion concepts (premixed and diffusive combustion) on the pollutant emissions and engine performance in a mid-size Diesel engine. The evaluation is performed at mid and high load conditions, where the implementation of premixed combustion is generally challenging. The association of the two combustion modes is hard to attain in a conventional Diesel engine, especially the preparation of the premixed charge with early pilot injection. Therefore, the approach followed during the st

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Bin, Lin, Yue Cao, and Li Liang. "Environmental protection and energy conservation : Hybrid vehicles and combustion vehicles." Thesis, Högskolan Kristianstad, Sektionen för hälsa och samhälle, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-10890.

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Purpose/aim This study is about environmental protection and energy conservation in the China vehicle market. Based on that, we focus on and comparison of combustion vehicles with hybrid vehicles.Design/method/approach Data was collected through questionnaire. The analysis includes a description of the sample and chi-square tests. We analyze two different particular engines (combustion engine vehicles and hybrid electric vehicles) and our single environment. We compare these two engine vehicles, and analyze the trends of the market. We use scientific data and existing theories to analyze the v

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Duyar, Serkan. "Modeling diesel combustion in heavy duty engine using detailed chemistry approach and CFD." Thesis, KTH, Kraft- och värmeteknologi, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-149478.

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Emission and fuel consumption are among the key parameters when designing a combustion system. Combustion CFD can assist in this task only if good enough accuracy is achieved regarding combustion and emission predictions. The aim of this master thesis is to evaluate the use of detailed reaction mechanisms (as a substitute for standard combustion model) in terms of computational time and result accuracy. Several mechanisms for n-heptane are tested. Lund University optical engine experimental case is used for this evaluation.Results showed that detailed chemistry can predict ignition accurately

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Panosyan, Luiza. "Impact of vehicle exhaust emitted by the combustion of biofuels on human health." Thesis, Halmstad University, Halmstad University, Halmstad University, Biological and Environmental Systems (BLESS), 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-5741.

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<p> </p><p>Introduction:<strong> </strong>Significant changes in the global ecosystem, together with a potential shortfall in oil resources, have stimulated intense interest in the development of other sources of energy, and most particularly biofuels since these are basically considered to be less harmful to human health than petroleum-based fuels. However, information about the impact of biofuel-derived vehicle emissions on human health is limited and incomplete<strong>. </strong></p><p> </p><p>Aim of the study:<em><strong> </strong></em>To identify those biofuels that are less detrimental t

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