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The Alleviation of Thermal Stresses

The Alleviation of Thermal Stresses The following paper investigates the dependence of the thermal stresses which are set up when an aircraft suffers an external temperature change, upon the degree of insulation of the outer skin, and upon the speed with which the external temperature change takes place. It is shown that quite thin insulating layers, such as are provided by the aircraft paintwork, can produce considerable alleviation of the thermal stresses. We should not generally, however, expect any appreciable reduction in the stresses due to the finite time taken for the external temperature to change, since effectively instantaneous variations of temperature can occur in practice, particularly when the external surface is insulated. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

The Alleviation of Thermal Stresses

Aircraft Engineering and Aerospace Technology , Volume 25 (2): 3 – Feb 1, 1953

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb032260
Publisher site
See Article on Publisher Site

Abstract

The following paper investigates the dependence of the thermal stresses which are set up when an aircraft suffers an external temperature change, upon the degree of insulation of the outer skin, and upon the speed with which the external temperature change takes place. It is shown that quite thin insulating layers, such as are provided by the aircraft paintwork, can produce considerable alleviation of the thermal stresses. We should not generally, however, expect any appreciable reduction in the stresses due to the finite time taken for the external temperature to change, since effectively instantaneous variations of temperature can occur in practice, particularly when the external surface is insulated.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Feb 1, 1953

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