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RISAccount of Film Turbulence for Predicting Film Cooling Effectiveness in Gas Turbine Combustors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The paper deals with a small but important part of the overall gas turbine engine combustion system and continues earlier published work on turbulence effects in film cooling to cover the ...
Design of Combustor Cooling Slots for High Film Effectiveness: Part I—Film General Development
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The metal liners of gas turbine engine combustors usually have to be provided with some form of thermal protection from the high temperatures of the reacting mixture of gases contained therein. ...
Lean Blowout Research in a Generic Gas Turbine Combustor With High Optical Access
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The U. S. Air Force is conducting a comprehensive research program aimed at improving the design and analysis capabilities for flame stability and lean blowout in the combustors of aircraft ...
Design of Combustor Cooling Slots for High Film Effectiveness: Part II—Film Initial Region
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A heuristically based geometric grouping has been used to relate the geometry of practical film cooling slots of gas turbine engine combustors to the circumferential uniformity of axial velocity ...
Modeling of Local Extinction in Turbulent Flames
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Eddy Dissipation Concept (EDC), proposed by Magnussen (1985), advances the concept that the reactants are homogeneously mixed within the fine eddy structures of turbulence and that the fine ...
Modification of Combustor Stoichiometry Distribution for Reduced NOx Emission From Aircraft Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Measurements of the emissions from an experimental engine were analyzed to construct a design chart for the reduction of oxides of nitrogen (NOx ) in conventional combustors. The design chart ...
Lean Blowout in a Research Combustor at Simulated Low Pressures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A propane-fueled research combustor has been designed to represent the essential features of primary zones of combustors for aircraft gas turbine engines in an investigation of lean blowouts. ...
Design and Development of a Research Combustor for Lean Blow-Out Studies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In a modern aircraft gas turbine combustor, the phenomenon of lean blow-out (LBO) is of major concern. To understand the physical processes involved in LBO, a research combustor was designed ...
Isothermal Flow Fields in a Research Combustor for Lean Blowout Studies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A propane-fueled research combustor has been designed and developed to investigate lean blowouts in a simulated primary zone of the combustors for aircraft gas turbine engines. To understand the ...
Observations of Flame Behavior From a Practical Fuel Injector Using Gaseous Fuel in a Technology Combustor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents results from an Air Force program being conducted by researchers at Brigham Young University (BYU) Wright-Patterson Air Force Base (WPAFB), and Pratt and Whitney (P&W). ...