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Effect of Crossflows on the Discharge Coefficient of Film Cooling Holes With Varying Angles of Inclination and Orientation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Measurements of discharge coefficients for five configurations of cylindrical film cooling hole geometries are presented. These comprise holes of varying angles of inclination (α=30, 45, and 90 ...
Effect of Internal Coolant Crossflow on the Effectiveness of Shaped Film-Cooling Holes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Film-cooling was the subject of numerous studies during the past decades. However, the effect of flow conditions on the entry side of the film-cooling hole on film-cooling performance has ...
Free-Stream Turbulence Effects on Film Cooling With Shaped Holes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A comprehensive set of generic experiments has been conducted to investigate the effect of elevated free-stream turbulence on film cooling performance of shaped holes. A row of three cylindrical ...
Internal Bearing Chamber Wall Heat Transfer as a Function of Operating Conditions and Chamber Geometry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Increasing efficiencies of modern aero-engines are accompanied by rising turbine inlet temperatures, pressure levels and rotational speeds. These operating conditions require a detailed knowledge ...