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Heat transfer measurement of turbulent spots in a hypersonic blunt-body boundary layer

Published online by Cambridge University Press:  11 May 2006

A. FIALA ,
R. HILLIER ,
S. G. MALLINSON  and
H. S. WIJESINGHE
A. FIALA
Affiliation:
Department of Aeronautics, Imperial College, London SW7 2AZ, UK
R. HILLIER
Affiliation:
Department of Aeronautics, Imperial College, London SW7 2AZ, UK
S. G. MALLINSON
Affiliation:
Faculty of Engineering, University of Technology, Sydney, Australia
H. S. WIJESINGHE
Affiliation:
Department of Aeronautics, Imperial College, London SW7 2AZ, UK
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Abstract

This paper presents data on turbulent-spot propagation in the hypersonic boundary-layer flow over a blunted cylindrical body. Data are based on the measurement of time-dependent surface heat transfer rates using gauges positioned as arrays in either the axial or transverse directions. These are used to provide data on individual spots, including sectional profiles, characteristic spot planform geometries, propagation speeds, growth rates and some information on the development of an internal thermal cell structure and corresponding thermal streaks in the base or calm region of the spot.

Type
Papers
Information
Journal of Fluid Mechanics , Volume 555 , 25 May 2006 , pp. 81 - 111
Copyright
© 2006 Cambridge University Press

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