Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 116 for “"alternative fuels"”.
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Single droplet combustion of alternative fuels
… greenhouse gas emissions grows, research into alternative fuels is becoming increasingly important. Biofuels, such as biodiesel and ethanol, are already used in the transportation sector. Rising biodiesel production generates byproducts like glycerol and surplus alcohols, which are also …
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Alternative Fuels For Ground Support Equipment
… industry. It is imperative to determine which alternative fuels are conducive to the modern airline industry. The advantages and disadvantages of each alternative fuel needs to be evaluated and analyzed; in addition to consideration of the monetary and environmental costs associated with the …
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Combustion quality and regimes for standard and alternative fuels
… emissions and higher fuel efficiency. Various alternative fuels and combustion strategies and regimes have shown great potential in meeting these goals. The work done in this dissertation aims at exploring different alternative fuels and advanced combustion strategies through a combination of …
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Life cycle assessment of conventional and alternative fuels for vehicles
… future, it is important that vehicles are run by alternative fuels. Before we can go ahead with the new alternatives, it is crucial that a comprehensive life cycle analysis is carried out for fuels. In this thesis study, a cradle-to-grave life cycle assessment of conventional and alternative fuels …
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Decarbonizing the Global Shipping Industry: Evaluating Pathways for Alternative Fuels
… industry, which relies heavily on fossil fuels and traditional internal combustion engines for propulsion, is critical to mitigating climate change and limiting global temperature rise. This thesis evaluates decarbonizing pathways for the global shipping industry through alternative fuels. …
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Alternative fuels : how can aviation cross the "Valley of Death"
Aviation has used petroleum-derived fuels for over 100 years. With the rapidly rising price of oil and concerns about supply, the military and the commercial airlines are fostering the development of an alternative aviation fuel industry. In the U.S., coal, oil shale and biomass offer great promise …
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Investigation of alternative fuels for various applications: experimental and life cycle assessment studies
… investigation and life cycle assessment (LCA) of alternative fuels and fuel blends, with the objective of assessing their environmental sustainability and combustion performance in a gasoline engine. The experimental component investigated the enrichment of conventional fuels (gasoline, propane, …
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Working towards a future on alternative fuels : the role of the automotive industry
Complementarity of vehicles and fuels has posed significant barrier for increasing the use of alternative fuels in place of traditional ones. An initial positive number of either alternative fuel vehicle (AFV) users or alternative fueling stations are needed for the diffusion of both. This research …
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The effect of alternative fuels and aftertreatment devices on measured mobile school bus emissions
… testing.</p> <p>Prior work has suggested that alternative fuels reduce CO, HC, and PM emissions. In the work presented in this thesis, tests were conducted using a 20% biodiesel mixture with standard diesel fuel, ULSD, and a 20% biodiesel mixture with ULSD. Two diesel particulate filters and …
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Automobiles and global warming : alternative fuels and other options for carbon dioxide emissions reduction
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1994.
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An analysis of alternative fuels promotion : the case of synthetic gasoline production in New Zealand
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1994.
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Effect Of Cetane Number And Volatility On Autoignition And Combustion Of Alternative Fuels And Their Surrogates
… and homeland security enhances the interests in alternative fuels. </p> <p>Unlike conventional diesel fuel, alternative fuels have wide range of properties, such as volatility, cetane number, density, viscosity and lower heating value, which influence the behavior of fuel and formation of …
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Thermal aspects of high efficiency channel with conventional and alternative fuels in SuperCritical water-cooled reactor (SCWR) applications
… Plant (NPP). Therefore, there is a need for alternative fuels or fuel bundles for future use in SCWRs. Hence, it is also necessary to determine the amount of heat losses from a number of fuel-channel designs for SCWRs. The objectives of this study are to investigate the possibility of using …
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Characterization, Speciation, and Source Apportionment of Particles inside and from the Exhaust of Public Transit Buses Fueled With Alternative Fuels
… Toledo, Ohio. The carbon source profile for both alternative fuels for eight carbon fractions is developed through real time experiments. The results indicated that the use of BD instead of ULSD is environmentally sustainable for human health and climate change.</p><p>A new method for determining …
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Heat transfer and bubble dynamics in bubble and slurry bubble columns with internals for Fischer-Tropsch synthesis of clean alternative fuels and chemicals
… becoming reliable sources of clean synthetic fuels and chemicals and via Fischer-Tropsch (F-T) synthesis process. Slurry bubble column reactor is the reactor of choice for the commercialization of the F-T synthesis. Even though the slurry bubble column reactors and contactors are simple in …
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Ignition study in rapid compression machine
… and more difficult to find "easy" oil, various alternative fuels are introduced to the markets. These fuels have chemical properties that are different from the traditional gasoline and diesel fuels so that engine efficiency and other engine behaviors may be affected To improve engine efficiency …
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Shock Tube and Mid-IR Laser Absorption Study of Combustion Kinetics
… of the combustion properties of representative alternative fuels. Specifically, a shock tube and direct laser absorption systems are used to investigate the ignition and pyrolysis processes of target fuels. The research problem is motivated by concern about climate change and diminishing fossil …
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Autoignition and combustion chemistry of kerosene type fuels and components
… combustion of conventional (petroleum-based) jet fuels, alternative (synthetic or bio-derived) fuels, and pure fuel components at low combustion temperatures (500 – 725K) and under stoichiometric to fuel lean conditions. These conditions are of interest because they occur at the edges of stable …
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Uncertainties and risks in the adoption of new fuels in Finnish maritime logistics
… reductions and a transition away from fossil fuels across many areas of society. Consequently, the maritime logistics sector has also set emission reduction targets. A key part of the green transition in maritime logistics involves shifting to alternative fuels and hydrogen-based ammonia and …
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