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Heat Transfer And Film Cooling On A Gas Turbine Blade And Shroud, Onieluan Tamunobere
Heat Transfer And Film Cooling On A Gas Turbine Blade And Shroud, Onieluan Tamunobere
LSU Doctoral Dissertations
At a fixed pressure ratio, the thermodynamic efficiency and net power output of a gas turbine engine increases with an increase in the turbine inlet temperature. Cooling is necessary because of the thermal limits of the engine materials. This research studies through experimentation, the heat transfer and cooling of critical gas turbine components including the shroud and blade tip. In the first phase, the shroud heat transfer behavior and the effectiveness of shroud cooling under the conditions of rotation is undertaken in a single stage turbine at a design rotation speed of 550 rpm, at off-design speeds and for varying …