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.
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Showing 1 to 20 of 509 for “"Gas turbine"”.
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Modelling Gas Turbine Degradation
… of hot corrosion and related phenomenon in gas turbines using Reynolds-averaged Navier Stokes (RANS) computational fluid dynamics (CFD) simulations. Non-uniform distribution of gaseous species as a result of film coolant injection was observed on a simple single hole test case. RANS …
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Gas turbine blade cooling
Thesis (M.S.) Massachusetts Institute of Technology. Dept. of Mechanical Engineering, 1947.
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Humidification Processes in Gas Turbine Cycles
… climate change caused by emissions of greenhouse gases from combustion processes has been recognized as a continuously growing problem and much research focuses on improving the environmental performance of gas turbines. The potential of improving gas turbine component efficiencies has become …
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THE ECONOMICS OF GAS TURBINE COGENERATION.
… economic viability of cogeneration. Employing a gas turbine system as a representative installation, the variables used in the sensitivity study are presented along with the justification for the assignment of the baseline and study range values. A simplified method for analyzing the …
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Blow-off in gas turbine combustors
… with those obtained for the non-premixed gaseous case form a wide body of experimental data available for the validation of turbulent flame models. The quantification of some properties during the blow-off transient can assist studies of extinction based on large-eddy simulation that have …
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Design of a marine gas turbine
Thesis (M.S.) Massachusetts Institute of Technology. Dept. of Naval Architecture and Marine Engineering, 1946.
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Performance analysis of gas turbine cogeneration systems.
… In the present work, performance of two gas turbine cogeneration systems is analyzed using the first and second laws of thermodynamics. A basic gas turbine cogeneration system and a steam injection gas turbine cogeneration system are investigated. In the analysis the system components, …
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Fuel-flexible Gas Turbine Combustors for Decarbonization
L'abstract è presente nell'allegato / the abstract is in the attachment
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Primary zone modeling for gas turbine combustors
Gas turbine combustor primary zone flows are typified by swirling flow with heat release in a variable area duct, where a central toroidal recirculation zone is formed. The goal of the research was to develop reduced-order models for these flows in an attempt to gain insight into, and understanding …
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Study of a Nernst type gas turbine
Thesis: B.S., Massachusetts Institute of Technology, Department of Chemical Engineering, 1953
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Probabilistic aerothermal design of gas turbine combustors
… and the variability of the near-wall combustor gas temperature, respectively.
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Modeling and Control of Gas Turbine Thermoacoustic Pulsations
… der Analyse thermoakustischer Instabilitäten in Gasturbinen-Brennkammern. Passive Methoden wurden entwickelt, um die durch die Instabilitäten entstehenden Druckschwankungen zu unterdrücken. Zunächst wurden unter der Annahme kleiner Mach-Zahlen die thermoakustischen Gleichungen hergeleitet. Die …
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GAS TURBINE CONVERSION FROM LIQUID TO GASEOUS FUEL
… combustion engines to operate with renewable gaseous fuels, namely hydrogen gas. To test this hypothesis, performance measurements and internal inspection were conducted on the JetCat P60-SE turbojet, a small commercial gas turbine engine designed for remote-controlled hobby jets. The results …
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Linear and Nonlinear Modelling of Gas Turbine Engines
… flow and shaft speeds of a Rolls Royce aircraft gas turbine. It is motivated by the desire to exploit recent advances in modelling linear and nonlinear systems and the need to investigate the suitability of various model representations in nonlinear gas turbine modelling.<br/><br/>The first part …
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Turbulent combustion simulation in realistic gas-turbine combustors
The work presented in this thesis addresses issues involving the accurate and efficient numerical modelling of turbulence combustion with an emphasis on an industrially representative Tay model combustor. This combustor retained all essential features of a modern aero-engine rich burn combustor and …
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Commercial gas turbine engine platform strategy and design
… the Pratt & Whitney PW4000 family of commercial gas turbine engines where predicted platform elements were consistent with actual design choices.
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Design of an automobile turbocharger gas turbine engine
The turbocharger gas turbine engine was designed with the intent of being built as a demonstration for the Massachusetts Institute of Technology Department of Mechanical Engineering courses 2.005 and 2.006 to supplement material covered. A gas turbine operates on an open version of the Brayton …
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Thermal design of a cooled micro gas turbine
… challenges associated with designing a micro gas turbine engine is the problem of heat transfer. The demonstration version of the engine deals with this problem by transferring excess heat from the turbine, to the compressor wall, through the rotor shaft. This is necessary to keep the turbine …
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Materials substitution in aircraft gas turbine engine applications
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1992.
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Combustion gas generator for gas turbine exhaust systems modeling.
A combustion gas generator was constructed for the purpose of modeling shipboard gas turbine engine exhaust systems. In particular, the system was designed and validated for exhaust stack Mach numbers in the neighborhood of 0.07 and exhaust stack temperatures varying from 700 to 900°F with an …
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