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Scaling of Guide Vane Coolant Profiles and the Reduction of a Simulated Hot Streak
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The turbine section of a gas turbine engine is subjected to a nonuniform temperature distribution in the gas flow from the combustor. Regions of elevated temperatures, known as “hot streaks,” ...
The Effects of the Vane and Mainstream Turbulence Level on Hot Streak Attenuation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper discusses the effects of varying pitch position on the attenuation of a simulated hot streak in a vane cascade under conditions of low and high turbulence. Measurements describe the ...
Superposition Predictions of the Reduction of Hot Streaks by Coolant From a Film-Cooled Guide Vane
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The turbine section of a gas turbine engine is subjected to hot gases flowing from the combustor that typically have high temperature regions known as “hot streaks.” These hot streaks pass ...
Validation and Analysis of Numerical Results for a Varying Aspect Ratio Two-Pass Internal Cooling Channel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical results for an internal ribbed cooling channel including a 180 deg bend with a 2:1 inlet and a 1:1 aspect ratio outlet channel were validated against experimental results in terms ...