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Some comments on heat-transfer laws for fine wires

Published online by Cambridge University Press:  29 March 2006

L. J. S. Bradbury  and
I. P. Castro
L. J. S. Bradbury
Affiliation:
Aeronautics Department, Imperial College, London Present address: Mechanical Engineering Department, University of Surrey.
I. P. Castro
Affiliation:
Aeronautics Department, Imperial College, London
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Abstract

The semi-empirical heat-transfer laws of Collis & Williams (1959) and Davies & Fisher (1964) give values of the heat-transfer rates for the flow past fine wires which are generally very different from one another. This paper describes some measurements of heat-transfer and convective time constants which show that the relationship of Collis & Williams is the more representative expression.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 51 , Issue 3 , 8 February 1972 , pp. 487 - 495
Copyright
© 1972 Cambridge University Press

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References

Bradbury, L. J. S. & Castro I. P.1971 A pulsed-wire technique for velocity measurements in highly turbulent flows. J. Fluid Mech., 49, 657–691.Google Scholar
Collis, D. C. & Williams M. J.1959 Two-dimensional convection from heated wires at low Reynolds numbers. J. Fluid Mech., 6, 357–389.Google Scholar
Darling A. S.1961 Rhodium-platinum alloys. Platinum Metals Rev. no. 2.
Davies, P. O. A. L. & Fisher M. J. 1964 Heat transfer from electrically heated cylinders. Proc. Roy. Soc. A 280, 486–527.
Rhys, D. W. & Taimsalu P.1969 Effect of alloying additions on the thermo-electric properties of Platinum. Englehard Tech. Bull., 10, no. 2.Google Scholar