Film-Cooling Performance of Multiple Arrays of Cylindrical and Fan-Shaped Holes

Experimental investigations are performed on the suction side of a cooled turbine guide vane. Transient infrared thermography is used to evaluate film-cooling performance of cylindrical and fan-shaped holes in a test facility representing engine conditions. Adiabatic film effectiveness and net heat...

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Veröffentlicht in:	Journal of propulsion and power 2015-11, Vol.31 (6), p.1621-1630
Hauptverfasser:	Nadali Najafabadi, Hossein, Karlsson, Matts, Utriainen, Esa, Kinell, Mats, Wang, Lieke
Format:	Artikel
Sprache:	eng
Schlagworte:	Adiabatic flow Arrays Blowing Cooling Cylindrical Holes Fan-shaped Holes Film Cooling Film Effectiveness Gas Turbine Heat flux Heat transfer Infrared imaging Net Heat Flux Reduction Performance evaluation Reduction Showers Suction Test facilities Thermography Turbines
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