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RISInfluence of Film-Hole Shape and Angle on Showerhead Film Cooling Using PSP Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of film-hole geometry and angle on turbine blade leading edge film cooling has been experimentally studied using the pressure sensitive paint technique. The leading edge is modeled ...
Effect of Flow Parameter Variations on Full Coverage Film-Cooling Effectiveness for a Gas Turbine Blade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of film-cooling holes placed along the span of a fully cooled high pressure turbine blade in a stationary, linear cascade on film-cooling effectiveness is studied using the pressure ...
Influence of Channel Orientation on Heat Transfer in a Two-Pass Smooth and Ribbed Rectangular Channel (AR=2:1) Under Large Rotation Numbers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experiments were conducted in a rotating two-pass cooling channel with an aspect ratio of 2:1 (Dh=16.9 mm). Results for two surface conditions are presented: smooth and one ribbed configurations. ...
Heat Transfer Coefficients and Film Cooling Effectiveness on the Squealer Tip of a Gas Turbine Blade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental investigations were performed to measure the detailed heat transfer coefficients and film cooling effectiveness on the squealer tip of a gas turbine blade in a five-bladed linear ...
Turbine Blade Platform Film Cooling With Typical Stator-Rotor Purge Flow and Discrete-Hole Film Cooling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper is focused on the effect of film-hole configurations on platform film cooling. The platform is cooled by purge flow from a simulated stator-rotor seal combined with discrete-hole ...
Effect of Rib Spacing on Heat Transfer in a Two Pass Rectangular Channel (AR = 2:1) at High Rotation Numbers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the effect of rib spacing on heat transfer in a rotating two-passage channel (aspect ratio, AR = 2:1) at orientation angle of 135 deg was studied. Parallel ribs were applied’ ...
Influence of Unsteady Wake With Trailing Edge Coolant Ejection on Turbine Blade Film Cooling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Detailed film cooling effectiveness distributions along a modeled turbine rotor blade under the combined effects of an upstream trailing edge unsteady wake with coolant ejection are presented ...
High Rotation Number Effects on Heat Transfer in a Rectangular (AR=2:1) Two-Pass Channel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper experimentally investigated the rotational effects on heat transfer in a smooth two-pass rectangular channel (AR=2:1), which is applicable to the cooling passages in the midportion of ...
Heat Transfer and Pressure Drop Measurements for a Square Channel With 45 deg Round-Edged Ribs at High Reynolds Numbers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experiments to determine heat transfer coefficients and friction factors are conducted on a stationary 45 deg parallel rib-roughened square channel, which simulates a turbine blade internal coolant ...
Film Cooling Effectiveness Distributions on a Turbine Blade Cascade Platform With Stator-Rotor Purge and Discrete Film Hole Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental investigation to obtain detailed film cooling effectiveness distributions on a cooled turbine blade platform within a linear cascade has been completed. The Reynolds number of the ...