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Gas Turbine Blade Tip And Near Tip Heat Transfer With Film Cooling, Gregory Kramer
Gas Turbine Blade Tip And Near Tip Heat Transfer With Film Cooling, Gregory Kramer
LSU Master's Theses
Gas turbine blade tips experience very high thermal loads due to high temperature combustion gases and tip leakage flows. This leads to the tip region being very susceptible to experiencing failures. To better understand these effects, experiments were performed in a suction-type low speed wind tunnel cascade to determine heat transfer coefficients and film cooling effectiveness distributions on a highly-loaded 2-D gas turbine blade model in the tip and near-tip regions. The blade shape was generated to match the pressure coefficients of the operating turbine blade design. The model featured multiple tip and pressure side film cooling holes and a …