Heat Transfer and Film Cooling in an Aggressive Turbine Center Frame
Patrick R. Jagerhofer,
Tobias Glasenapp,
Bastian Patzer
et al.
Abstract:This paper investigates the heat transfer coefficient and the film cooling effectiveness in a turbine center frame (TCF). The TCF is a duct connecting the high-pressure turbine (HPT) to the low-pressure turbine (LPT) and is equipped with non-turning airfoils (struts). The TCF is operated in a product-representative 1.5-stage test turbine setup working under Mach-number-similarity. Upstream of the TCF, an unshrouded HPT is operated with four individually adjustable purge flow injections through the forward and … Show more
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