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Comments on “Transient Temperatures and Thermal Stresses in an Idealised Wing Structure“

Published online by Cambridge University Press:  04 July 2016

D. J. Johns
D. J. Johns*
Affiliation:
Loughborough University of Technology
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Extract

In ref. 1 an analytical solution was given for the one-dimensional distribution of temperature in a web of an idealised, symmetric, multi-cell wing structure when symmetrically heated. It was assumed that the convective heat transfer coefficient, h, was constant, but the adiabatic wall temperature variation was assumed to be either an instantaneous or a linear function of time.

The purpose of the present paper is to indicate the application of an alternative, approximate method of heat flow analysis due to Biot and to show thereby how the usefulness of the results in ref. 1 can be extended by eliminating the assumption therein that the skin temperature was uniform at any given time. The notation of ref. 1 is used with additions as defined in the paper.

Type
Technical Notes
Information
The Aeronautical Journal , Volume 71 , Issue 680 , August 1967 , pp. 580 - 581
Copyright
Copyright © Royal Aeronautical Society 1967

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References

1.Webber, J. P. H. and Houghton, D. S.On Transient Temperatures and Thermal Stresses in an Idealised Wing Structure. Journal of the Royal Aeronautical Society, May 1965.CrossRefGoogle Scholar
2.Biot, M. A.New Methods in Heat Flow Analysis with Application to Flight Structures. J Aero Sci, Vol 24, p 857, December 1957.Google Scholar
3.Johns, D. J. and Wooldridge, M. J.Some Approximate Formulae for Transient Temperature Prediction in Aircraft-Type Structures. Journal of the Royal Aeronautical Society, March 1967.Google Scholar
4.Johns, D. J.Approximate Formulas for Thermal Stress Analysis. J Aero I Space Sci, Vol 25, p 524, August 1958.Google Scholar
5.Johns, D. J.Thermal Stress Analyses. Pergamon Press, September 1965.Google Scholar