A New Method to Calculate the Coolant Requirements of a High-Temperature Gas Turbine Blade

[+] Author and Article Information
Leonardo Torbidoni

TPG-DiMSET, Università di Genova, Genova, Italy

J. H. Horlock

Whittle Laboratory, University of Cambridge, Cambridge, UK

J. Turbomach 127(1), 191-199 (Feb 09, 2005) (9 pages) doi:10.1115/1.1811100 History: Received October 01, 2003; Revised March 01, 2004; Online February 09, 2005
Copyright © 2005 by ASME
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Grahic Jump Location
Cooling effectiveness as a function of the parameter w+ and the cooling efficiency (convective cooling only)
Grahic Jump Location
Cooling effectiveness as a function of the parameter w+, the cooling efficiency and the film cooling effectiveness (convective and film cooling)
Grahic Jump Location
Element ΔSgdy for heat transfer through blade surface to coolant
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Enthalpy-entropy diagrams for uncooled and cooled blading (showing both stagnation and static enthalpy)
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Fractional and absolute cooling flow quantities required for ten steps along the blade chord
Grahic Jump Location
Cooling efficiency for ten steps along the blade chord
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Adiabatic wall film effectiveness for ten steps along the blade chord




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