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RISParametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low Pressure Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Efforts to reduce blade count and avoid boundary layer separation have led to lowpressure turbine airfoils with significant increases in loading as well as frontloaded pressure distributions. These features have been ...
The Effect of Acoustic Excitation on Boundary Layer Separation of a Highly Loaded LPT Blade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental investigation of the effect of acoustic excitation on the boundary layer development of a highly loaded lowpressure turbine blade at lowReynolds number is investigated. The aim of this work is to study the ...
Exploitation of Subharmonics for Separated Shear Layer Control on a High Lift Low Pressure Turbine Using Acoustic Forcing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The mechanism of separation control by sound excitation is investigated on the aftloaded lowpressure turbine (LPT) blade profile, the L1A, which experiences a large boundary layer separation at low Reynolds numbers. Previous ...
Steady Vortex Generator Jet Flow Control on a Highly Loaded Transonic Low Pressure Turbine Cascade: Effects of Compressibility and Roughness
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new highspeed linear cascade has been developed for lowpressure turbine (LPT) studies at The Ohio State University. A compressible LPT profile is tested in the facility and its baseline performance at different operating ...