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Experimental Investigation Of Separation In A Low Pressure Turbine Blade Cascade Model, Brian Hollon
Experimental Investigation Of Separation In A Low Pressure Turbine Blade Cascade Model, Brian Hollon
University of Kentucky Master's Theses
The flow field around a low pressure turbine blade is examined using smoke-wire flow visualization, static surface pressure measurements, and particle image velocimetry (PIV). The purpose of the experimental study is to investigate the transition and separation characteristics on low pressure turbine blades under low Reynolds number (Re) and varying freestream turbulence intensity (FSTI). A cascade model consisting of 6 Pratt andamp; Whitney PAK-B low pressure turbine blades was examined in a wind tunnel using PIV and flow visualization. Smoke-wire visualization was performed for test section exit angles of 93°, 95°, and 97°, in the range Re = …