Aerodynamic and Heat Transfer Measurements on a Transonic Nozzle Guide Vane

[+] Author and Article Information
E. T. Wedlake, A. J. Brooks, S. P. Harasgama

Procurement Executive, Ministry of Defence, Royal Aerospace Establishment, Pyestock, Farnborough, Hampshire, England

J. Turbomach 111(1), 36-42 (Jan 01, 1989) (7 pages) doi:10.1115/1.3262234 History: Received November 09, 1987; Online November 09, 2009


Experimental determination of heat transfer rates to gas turbine blading plays an important part in the improvement of both the validation of existing design methods and the development of improved design codes. This paper describes a series of tests on an annular cascade of nozzle guide vanes designed for a high-work-capacity single-stage transonic turbine. The tests were carried out in the Isentropic Light Piston Cascade at the Royal Aerospace Establishment, Pyestock, and a brief description of this new test facility is included. Measurements of local heat transfer rates and aerodynamic data around the blade surface and on the end walls are described.

Copyright © 1989 by ASME
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