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Effect of heat transfer on periodic transonic flows

Published online by Cambridge University Press:  04 July 2016

D. A. Mitchell ,
R. K. Cooper  and
S. Raghunathan
D. A. Mitchell
Affiliation:
School of Aeronautical Engineering, The Queen's University of Belfast, UK
R. K. Cooper
Affiliation:
School of Aeronautical Engineering, The Queen's University of Belfast, UK
S. Raghunathan
Affiliation:
School of Aeronautical Engineering, The Queen's University of Belfast, UK
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Abstract

The effects of the model surface to free stream adiabatic temperature ratio (Tw/Tad) on periodic transonic flow over a 14% thick biconvex aerofoil are evaluated using a computational fluid dynamic approach. The analysis is based on the thin layer Navier Stokes equations with Baldwin-Lomax turbulence model. The results of computations showed that on biconves aerofoils there is a large effect of heat transfer on instantaneous pressure distributions and periodic buffet excitation level confirming some of the available experimental data. The effects observed have an implication in wind tunnel measurement of buffet associated periodic transonic flows.

Type
Research Article
Information
The Aeronautical Journal , Volume 103 , Issue 1025 , July 1999 , pp. 329 - 337
Copyright
Copyright © Royal Aeronautical Society 1999 

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