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Tesi sul tema "Gas generation"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 7 settembre 2023

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1

Lee, Hi Sun. "Spray generation by gas-lift pumps." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61897.

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2

Opseth, Douglas A. "Landfill gas generation at a semi-arid landfill." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq39150.pdf.

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3

Witty, Susan Jean. "Sound generation by gas flow through corrugated pipes." Thesis, University of Hull, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395653.

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4

Eccles, Neil C. "Structured grid generation for gas turbine combustion systems." Thesis, Loughborough University, 2000. https://dspace.lboro.ac.uk/2134/7348.

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Commercial pressures to reduce time-scales encourage innovation in the design and analysis cycle of gas turbine combustion systems. The migration of Computational Fluid Dynamics (CFD) from the purview of the specialist into a routine analysis tool is crucial to achieve these reductions and forms the focus of this research. Two significant challenges were identified: reducing the time-scale for creating and solving a CFD prediction and reducing the level of expertise required to perform a prediction. The commercial pressure for the rapid production of CFD predictions, coupled with the desire to
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5

Papadopoulos, Tilemachos. "Gas turbine cycles for intermediate load power generation." Thesis, Cranfield University, 2005. http://dspace.lib.cranfield.ac.uk/handle/1826/10718.

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The objective of this thesis is to determine if an advanced gas turbine cycle exists, which can compete with the simple and the combined cycles in the intermediate load electricity generation market; defined as the market with annual utilisation between 3,000 to 6,000 operating hours. Several thermodynamic cycles in the 100MW and 200MW power output range are investigated and compared to base reference simple and combined cycles that have been defined by a survey of existing models in the market. For the investigation of these cycles, gt-ETA (gas turbine - Economic and Technical Analysis) has b
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6

Uvwie, Patrick Awaciere. "Nigeria's gas flaring reduction : economic viability of power generation using flared gas / P.A. Uvwie." Thesis, North-West University, 2008. http://hdl.handle.net/10394/3697.

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7

Hayko, Robert Kory. "Systems approach to natural gas analysis for power generation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ30858.pdf.

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8

Tsoutsanis, Elias. "Performance adaptation of gas turbines for power generation applications." Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/5614.

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One of the greatest challenges that the world is facing is that of providing everyone access to safe and clean energy supplies. Since the liberalization of the electricity market in the UK during the 1990s many combined cycle gas turbine (CCGT) power plants have been developed as these plants are more energy efficient and friendlier to the environment. The core component in a combined cycle plant is the gas turbine. In this project the MEA’s Pulrose Power Station CCGT plant is under investigation. This plant cronsists of two aeroderivative LM2500+ gas turbines of General Electric for pro
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9

Grilli, Roberto. "Methods for Trace Gas Detection Using Difference Frequency Generation." Thesis, University of Bristol, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.520211.

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10

AVELLAR, VINICIUS PIMENTA DE. "TRANSIENT MODELLING OF INDUSTRIAL GAS TURBINE FOR POWER GENERATION." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2010. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=16332@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>As turbinas a gás são equipamentos de vital importância para o setor industrial, fornecendo trabalho e calor para diversos setores, do transporte aos sistemas de cogeração. A crescente necessidade de geração de energia elétrica confiável tem incentivado o projeto de turbinas a gás industriais, inclusive no Brasil, que operam com vários combustíveis como o diesel, gás natural, álcool e de combustíveis de baixo poder calorífico. Para melhor monitorar e controlar estes motores, uma análise completa da previsão de funcionamento em regime transi
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11

Taconi, Katherine Ann. "Methanogenic generation of biogas from synthesis-gas fermentation wastewaters." Diss., Mississippi State : Mississippi State University, 2004. http://library.msstate.edu/etd/show.asp?etd=etd-07072004-085409.

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12

Zahid, Amna. "Aspects of Attosecond Pulse Generation Through High-Harmonic Generation." Thesis, Griffith University, 2018. http://hdl.handle.net/10072/376728.

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We systematically optimize the yield of XUV pulses at 93 2 eV with respect to experimentally adjustable parameters such as gas pressure, focal position of laser beam and interaction length by using few cycle laser pulses. We demonstrate carrier-envelope phase dependence of the optimized XUV spectrum, consistent with the formation of isolated attosecond pulses. We present the progress to- wards a newly developed attosecond beamline and describe its essential parts in detail. We perform initial experiments on photoelectrons detection. This work will contribute further for optimizing the setup fo
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13

Abdela, Ahmed. "Gas phase generation and deposition of size-selected metal clusters." Thesis, University of Birmingham, 2014. http://etheses.bham.ac.uk//id/eprint/4955/.

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This thesis presents modifications to and optimisations of a cluster beam source, one application being the generation of large area catalysis samples. A major modification to the cluster source also enabled coating of clusters in a new way. The impact of Pd\(_5\)\(_6\)\(_1\), Pd\(_5\)\(_5\)and Pd\(_4\) clusters (1, 1.5 and 1 keV) on a thin material film evaporated onto a solid argon matrix led to deposition of large, 5-40 nm diameter, irregularly shaped particles. Furthermore, Pd\(_9\)\(_2\)\(_3\) and Pd\(_2\)\(_0\)\(_0\)\(_0\) clusters, with both 0.5 and 1.5 keV impact energies, have been co
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14

Bellgren, Sofia, and Isabel Sondén. "Coupling of Nuclear Power Generation with Greenhouse Gas Capture Technology." Thesis, KTH, Skolan för teknikvetenskap (SCI), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-297557.

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In order to stop the escalating global warming, humankind rapidly needs to develop and implement technology to lower the level of carbon dioxide in the atmosphere. Today there are methods to capture CO2 directly from the atmosphere (DAC); the problem lies in how to power them in a fossil-free and cost-attractive way. This report will focus on the application of thermal waste energy from nuclear power for DAC. To enable the coupling of the power plant to the DAC, the thermal waste energy i. e. low-pressure steam from the plant's thermal cycle, has to be brought to a higher temperature and press
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15

Xiao, Hua. "Combustion of green fuels for power generation in gas turbine." Thesis, Cardiff University, 2018. http://orca.cf.ac.uk/111951/.

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The main objective of this thesis is to investigate the fundamental combustion process of ammonia-based fuels and the application on swirl-stabilised flames in the context of engineering type gas turbine combustion. The present study begins with a fundamental validation and mechanism reduction for chemical kinetics of ammonia/methane combustion. Different-sized reduced mechanisms of the well-known Konnov’s mechanism were compared at high-pressure conditions relevant to gas turbine devices. The reduced models can benefit the future simulation work with considerably less computational cost. Then
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16

SanGiorgio, Paul. "Measuring Electron Gas Relaxation in Gold through Second Harmonic Generation." Scholarship @ Claremont, 2001. https://scholarship.claremont.edu/hmc_theses/136.

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In a thermally equilibrated system, electron behavior in a metal is described by the Fermi-Dirac equation. With ultrafast lasers, electrons can be excited into temporary distributions which are not described by the Fermi-Dirac equation and are therefore not at a well-defined temperature. These nonthermal distributions quickly equilibrate through two primary processes: electron-electron scattering and electron-phonon scattering. In most situations, these effects are unnoticeable, since they are completed within 5 ps. A probabilistic numerical model for electron-electron scattering is presented.
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17

Sinclair, Bruce David. "Second harmonic generation in sodium vapour induced by a magnetic field." Thesis, University of St Andrews, 1987. http://hdl.handle.net/10023/13925.

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A high resolution study of magnetic-field-induced second harmonic generation in sodium vapour was performed using a single-frequency continuous-wave dye laser. Resonant enhancement was obtained by tuning the laser to the frequency of the 3S-40 two-photon transition of the sodium atoms. Coherent parametric emission of the second harmonic radiation ocurred in the presence of a symmetry-breaking magnetic field by means of a coherent electric-quadrupole emission at twice the laser frequency. A theoretical model of the second harmonic generation (SHG) was developed, and includes the roles played by
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18

Bortot, Baptiste. "Gas for Balancing of Variable Power Generation : A Systemic Case Study." Thesis, KTH, Elektriska energisystem, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-144860.

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With the increasing share of variable renewable generation, balancing electric powersystems could become a major concern for system operators because of their variableand hardly predictable nature. However, gas technologies appear as a solutionto provide this flexibility, but the impacts on the gas power system have hardly beeninvestigated. In this thesis, consulting reports on the subject matter, regulator suggestions andgas-electricity interaction models in scientific literature are studied and four sourcesare identified to be used for balancing: linepack, storage facilities, liquefied natur
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19

Gibrael, Nemir, and Hamse Hassan. "HYDROGEN-FIRED GAS TURBINE FOR POWER GENERATION WITH EXHAUST GAS RECIRCULATION : Emission and economic evaluation of pure hydrogen compare to natural gas." Thesis, Mälardalens högskola, Framtidens energi, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-42306.

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The member states of European Union aim to promote the reduction of harmful emissions. Emissions from combustion processes cause effects on human health and pose environmental issues, for example by increasing greenhouse effect. There are two ways to reduce emissions; one is to promote renewable energy sources and the other to utilize more effectively the available fossil fuels until a long-term solution is available. Hence, it is necessary to strive for CO2 mitigation technologies applied to fossil fuels. Low natural gas prices together with high energy efficiency have made gas turbines popul
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20

Bahamón, García Daniel. "New generation adsorbents for gas separation: from modeling to industrial application." Doctoral thesis, Universitat Autònoma de Barcelona, 2015. http://hdl.handle.net/10803/325690.

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Teniendo en cuenta el rápido aumento de la población y el crecimiento en el consumo de energía como consecuencia de grandes progresos en transporte y tecnología, el desarrollo sostenible es de especial relevancia pues sugiere la búsqueda de formas de mitigar las emisiones de gases de efecto invernadero, incluyendo la captura y almacenamiento de carbono (o utilización), la eficiencia energética, fuentes alternativas de energía y ahorro de energía, como ya se ha sugerido por el protocolo de Kioto y los informes del IPCC. De ahí que en los últimos años se haya dedicado un esfuerzo considerable a
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21

Atse, Jean-Philippe. "A new generation of multilateral well enhances small gas field economics." Thesis, Texas A&M University, 2003. http://hdl.handle.net/1969.1/353.

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The main objective of this study is to investigate the applicability of a new multilateral well architecture in the domain of small size and offshore gas fields. The new architecture completely reverses the current multilateral technology. The innovative concept suggests that laterals can be achieved like any conventional wells. They could be drilled from the surface and tied back to a common wellbore referred to as the mother well. Production would go through the toe of laterals into the mother well. The mother well could be as simple as a large diameter casing equipped with prepared connecti
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22

Seymore, Sean Bernard. "Studies pertaining to the mechanisms of gas generation in nuclear waste." Thesis, Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/27615.

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23

McCaughey, Conor Michael. "The solidification of niobium silicides for next generation gas turbine engines." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/17589/.

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24

Nickerson, Ian James Carleton University Dissertation Engineering Mechanical and Aerospace. "A parametric study of gas turbine cycles for electrical power generation." Ottawa, 1994.

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25

Ben, Hariz Houssein. "The optimisation of the usage of gas turbine generation sets for oil and gas production using genetic algorithms." Thesis, Cranfield University, 2010. http://hdl.handle.net/1826/4479.

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The privatisations of the energy supply industries world-wide has meant that emphasis is now on how to profitably compete. In this environment the development of effective models for optimisation of power plant are of increasing importance, particularly operational strategies for off-design conditions, and particularly for gas turbine engines. Maximisation of plant profitability necessitates proper and integrated evaluation of many factors, the most important of which are: availability and price of fuel, system efficiency and performance, life cycle costing of plant and machinery, present and
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26

Yan, Binghua. "Enhanced methane gas generation by reutilization of acidogenic off-gas during two-phase anaerobic digestion of food waste." HKBU Institutional Repository, 2015. https://repository.hkbu.edu.hk/etd_oa/160.

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Mass balance analysis of two-phase AD indicated that off-gas (H2 and CO2) produced in acidogenic reactor represent up to 30% of the consumed substrate and under most circumstances, this part of energy was not utilized leading to low overall energy recovery. Hence, the objective of this study was to enhance overall energy recovery during two-phase AD of food waste through reutilization of acidogenic off-gas and to further optimize the processes through manipulating the metabolic pathways and controlling acidogenic off-gas production. In the first phase, feasibility of reutilizing acidogenic off
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27

Lameen, Tariq M. H. "Development of a photovoltaic reverse osmosis demineralization fogging for improved gas turbine generation output." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2756.

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Thesis (Master of Engineering in Electrical Engineering)--Cape Peninsula University of Technology, 2018.<br>Gas turbines have achieved widespread popularity in industrial fields. This is due to the high power, reliability, high efficiency, and its use of cheap gas as fuel. However, a major draw-back of gas turbines is due to the strong function of ambient air temperature with its output power. With every degree rise in temperature, the power output drops between 0.54 and 0.9 percent. This loss in power poses a significant problem for utilities, power suppliers, and co-generations, especially d
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28

Codeceira, Neto Alcides. "Assessment of novel power generation systems for the biomass industry." Thesis, Cranfield University, 1999. http://hdl.handle.net/1826/3448.

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The objective of this programme of research is to produce a method for assessing and optimising the performance of advanced gas turbine power plants for electricity generation within the Brazilian electric sector. With the privatisation of the Brazilian electric sector, interest has been given to the thermal plants and studies have been carried out along with the use of other alternative fuels rather than fossil fuels. Biomass is a fuel of increasing interest for power generation systems since it is clean and renewable. Essentially all biomass power plants in the Brazilian market today operate
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29

Adegoke, Adesola Ayodeji. "Utilizing the heat content of gas-to-liquids by-product streams for commercial power generation." Texas A&M University, 2006. http://hdl.handle.net/1969.1/4217.

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The Gas-to-liquids (GTL) processes produce a large fraction of by-products whose disposal or handling ordinarily becomes a cost rather than benefit. As an alternative strategy to market stranded gas reserves, GTL provides middle distillates to an unsaturated global market and offers opportunities to generate power for commercial purposes from waste by-product streams, which normally are associated with increased expenses incurred from additional handling cost. The key concept investigated in this work is the possibility of integrating the
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30

Srikanth, D. "Novel perovskite type oxides as catalysts for generation of synthesis gas with variable H2 to CO ratio." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2017. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/4521.

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31

Nastev, Miroslav. "Modeling landfill gas generation and migration in sanitary landfills and geological formations." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0005/NQ39379.pdf.

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32

Gomes, Eli Eber Batista. "Operational Optimisation of Gas Turbines Distributed Generation Systems in Competitive Electricity Market." Thesis, Cranfield University, 2007. http://hdl.handle.net/1826/3246.

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The development of power generation technologies and the deregulation of the power market has led to an increasing interest in distributed power generation, mainly the simultaneous exploitation of electricity and heat from the same energy source, known as combined heat and power (CHP) systems. As a consequence of the high competitiveness of power markets and increasing environmental concerns, distributed power generators have to make reasonable choices at multiple levels of complexity. A key issue to successfully approaching these problems is the development of decision making support tools th
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33

Takahashi, Toshihiro, Tatsuji Yamada, Naoki Hayakawa, and Hitoshi Okubo. "Space charge behavior in SF6 gas and sequential generation of PD pulses." IEEE, 2000. http://hdl.handle.net/2237/6757.

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34

Zhang, P. "Development of next generation high temperature materials for high performance gas turbine." Thesis, University College London (University of London), 2016. http://discovery.ucl.ac.uk/1474017/.

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Thermal barrier coatings (TBCs) are advanced protective coating systems used to protect metallic substrates at high-temperature application. Currently, the state-of-the-art industrial TBC material is 6-8wt% Y2O3 stabilized ZrO2 (6-8YSZ), but it cannot be used over 1200oC for a long time due to sintering behaviour and phase transformation. The purpose of this thesis was to explore new thermal barrier materials that can be used at high temperature for a long time to replace YSZ. Micron lanthanum titanium aluminum oxide (LaTi2Al9O19, LTA) has been proven as a very promising thermal barrier materi
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35

Danandeh, Anna. "Achieving Reliable Generation \& Delivery of Energy Through Robust Optimization." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/5673.

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In this dissertation, we elaborate on the inherent risks and uncertainties in power systems and associated industries, and develop practical solution methods to eliminate their adverse effects. our research agenda consists of practice-driven problems in different stages of power generation as follows. (1) Affordable fuel procurement through developing a comprehensive fuel supply chain design and operations planning system for electricity generation companies, (2) reliable electricity generation through incorporating dynamic asset rating concept in the unit commitment problem, and (3) efficient
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36

Retter, Mark Joseph. "PHOTODISSOCIATIVE GENERATION OF A POPULATION INVERSION FOR THE THALLIUM-MERCURY EXCIMER SYSTEM (LASERS, EXCIMERS)." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275407.

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37

Onabanjo, Tosin. "Techno-economic and environmental assessment of gas turbines utilizing biofuels." Thesis, Cranfield University, 2015. http://dspace.lib.cranfield.ac.uk/handle/1826/9280.

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The continued global reliance on fossil fuels with impact on resource depletion, human health, atmospheric pollution and environmental degradation has necessitated a global drive to integrate renewable fuels such as biodiesels. Biodiesels are described as “fuels composed of fatty acid methyl or ethyl esters and obtained from vegetable oils or animal fats”. Their use in energy generation could diversify the world’s energy mix, reduce fossil fuel dependence, reduce emissions and energy cost to bring about other economic benefits, especially for developing economies and rural communities with lac
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38

Atkinson, Sandra Jane. "Generation and structural characterisation of transient gaseous species." Thesis, University of Canterbury. Chemistry, 2015. http://hdl.handle.net/10092/10495.

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Gas electron diffraction (GED) is a technique that has been developed to study the molecular structure of species in the gas phase. This thesis focuses on the reconstruction of the Canterbury GED apparatus (moved from Edinburgh, UK) and the requirements for modifying the apparatus to incorporate a mass spectrometer (MS) so diffraction and MS data can be obtained within a single experiment. The combined GED-MS system has been identified in previous work in the Masters group as a necessary development for studying the structure of short-lived species generated in situ. This is particularly tru
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39

Allison, Isaiah. "Techno-economic evaluation of associated gas usage for gas turbine power generation in the presence of degradation & resource decline." Thesis, Cranfield University, 2014. http://dspace.lib.cranfield.ac.uk/handle/1826/9233.

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This research examined the technical and economic feasibility of harnessing flare gas emissions from oil fields. The outcome would provide the basis for a substantial re-utilization of this waste energy due to the current practice of flaring and use it alternatively as energy for powering oil fields, rural electrification and desalination. Nigeria is used as a case study. Burning fossil fuels have grave environmental impact, amidst increasing global concerns over harmful emissions. This research addresses resource decline and suggests divestment as a partial cure. The gas turbine is subject to
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40

Ren, Xiaoming. "Laser-driven rotational dynamics of gas-phase molecules: control and applications." Diss., Kansas State University, 2013. http://hdl.handle.net/2097/15954.

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Doctor of Philosophy<br>Department of Physics<br>Vinod Kumarappan<br>In this thesis, our work on developing new techniques to measure and enhance field-free molecular alignment and orientation is described. Non-resonant femtosecond laser pulses are used to align and orient rotationally-cold gas-phase molecules. The time-dependent Schrodinger equation is solved to simulate the experimental results. A single-shot kHz velocity map imaging (VMI) spectrometer is developed for characterizing 1D and 3D alignment. Stimulated by a novel metric for 3D alignment proposed by Makhija et al. [Phys. Rev. A 8
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41

Giffin, Amanda. "Investigation of Operating Parameters Influencing Electrostatic Charge Generation in Gas-Solid Fluidized Beds." Thesis, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/19728.

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Electrostatic charge generation in gas-solid fluidized beds is a significant industrial problem. Associated problems include particle agglomeration and particle wall fouling. In the polymerization industry this may result in "sheets" of fused polymer, due to exothermic reaction causing the melting of the polymer, which can fall off and block the distributor plate disrupting fluidizing gas flow. Additionally, blockage of the catalyst feed or the polymer removal system can take place or the product can become non-uniform. All of these problems require shut-down of the reactor which results in lo
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42

Latcham, Jacob G. (Jacob Greco). "Heat exchanger design for thermoelectric electricity generation from low temperature flue gas streams." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/54513.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 33).<br>An air-to-oil heat exchanger was modeled and optimized for use in a system utilizing a thermoelectric generator to convert low grade waste heat in flue gas streams to electricity. The NTU-effectiveness method, exergy, and thermoelectric relations were used to guide the modeling process. The complete system design was optimized for cost using the net present value method. A number of finned-tube compact heat exch
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43

Nava, Matthew Jordan. "Generation and observation of reactive intermediates in the gas phase and condensed media." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/112360.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemistry, 2017.<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.<br>A molecular beam mass spectrometer (MBMS) has been constructed and upgraded with a laser desorption system. MBMS has allowed for the detection of reactive small molecules including but not limited to P₂ from P₂A₂ (where A = anthracene, C₁₄H₁₀), HCP from PPh₃(HCP
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Myo, Min Win. "Thermochemical conversion characteristics of gas and tar generation from waste biomass and plastics." Kyoto University, 2020. http://hdl.handle.net/2433/253264.

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45

Longe, Timothy A. "Colloidal gas aphrons: generation, flow characterization and application in soil and groundwater decontamination." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/81014.

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This study examines the fundamental properties of Colloidal Gas Aphrons, CGA, relevant to its application in soil and groundwater decontamination. It also presents the results of laboratory experiments on the applicability of CGA in treating soils contaminated with organic chemicals. CGA is a collection of spherical, 10 to 100 micron-sized gas bubbles dispersed in an aqueous surfactant solution with a volumetric gas fraction (quality) of at most 0.74. It is characterized by its quality, bubble size, stability and apparent viscosity. The stability can be described by the half life, the time n
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46

de, Vries Jaap. "AN INVESTIGATION OF THE AUTOIGNITION OF POWER GENERATION GAS TURBINE FUEL BLENDS USING A DESIGN OF EXPERIMENTS APPROACH." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2560.

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Abstract (sommario):
Natural gas has grown in popularity as a fuel for power generation gas turbines. However, changes in fuel composition are a topic of concern since fuel variability can have a great impact on the reliability and performance of the burner design. In particular, autoignition of the premixed fuel and air prior to entering the main burner is a potential concern when using exotic fuel blends. To obtain much-needed data in this area, autoignition experiments for a wide range of likely fuel blends containing CH4 mixed with combinations of C2H6, C3H8, C4H10, C5H12, and H2 were performed in a high-press
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47

LECUNA, TOVAR MARICARMEN LEANDRA. "Scale down of a dynamic generator of VOC reference gas mixtures." Doctoral thesis, Politecnico di Torino, 2017. http://hdl.handle.net/11583/2676926.

Testo completo
Abstract (sommario):
A system for the dynamic preparation of reference gas mixtures based on the diffusion technique has been developed by the National Metrology Institute of Italy i.e. the Istituto Nazionale di Ricerca Metrologica (INRIM). The gravimetric method used for the estimation of the diffusion rate and consequent concentration, gives the system the property to be a primary standard. The system can generate mixtures with low uncertainty and high stability in the 20 nmol.mol-1 - 2.5 µmol.mol-1 concentration range with a 5% (k = 2) expanded uncertainty for mixtures of acetone in air. Based on this system,
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48

Thomson, Rachel Camilla. "Carbon and energy payback of variable renewable generation." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/8875.

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Abstract (sommario):
The continued drive to reduce Greenhouse Gas (GHG) emissions in order to mitigate climate change has led to an increase in demand for low-carbon energy sources, and the development of new technologies to harness the available energy in the wind, waves and tides. Many controversies surround these technologies, however, particularly with regards to their economic cost, environmental impacts and the implications of the variability of their output for security of the electricity supply. In order to make informed policy decisions on future developments of the electricity system, it is necessary to
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49

Kysel, Stanislav. "Energetický paroplynový zdroj na bázi spalování hutnických plynů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229801.

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Abstract (sommario):
The main goal of my thesis is to carry out thermic calculations for adjusted conditions of electric and heat energy consumption. The power of the generator is 330 MW. In the proposal, you can find combustion trubines type GE 9171E. Steam-gas power plant is designed to combust metallurgical gases. Effort of the thesis focuses also on giving a new informations about trends in combinated production of electric and heat energy.
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50

Kysel, Stanislav. "Energetický paroplynový zdroj na bázi spalování hutnických plynů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230245.

Testo completo
Abstract (sommario):
The main goal of my thesis is to carry out thermic calculations for adjusted conditions of electric and heat energy consumption. The power of the generator is 330 MW. In the proposal, you can find combustion trubines type GE 9171E. Steam-gas power plant is designed to combust metallurgical gases. Effort of the thesis focuses also on giving a new informations about trends in combinated production of electric and heat energy.
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