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Analysis of transient temperature distribution

Analysis of transient temperature distribution This paper focuses on investigation of a numerical method for transient temperature distribution, in order to analyze one kind of malfunction of turbine nozzle guide component of a turbo‐fan aeroengine. Thermal fatigue acts as the most important factor resulting in cracks at nozzle guide vanes and severe cracks produced may form failure of the component of the engine. However, transient temperature variety of vanes at start and stop processes of the engine causes thermal fatigue. So, basic analysis of transient temperature distribution and especially a new numerical method for transient temperature calculation in this paper have significant meaning for improving the reliability of aeroengines. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

Analysis of transient temperature distribution

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Publisher
Emerald Publishing
Copyright
Copyright © 2004 Emerald Group Publishing Limited. All rights reserved.
ISSN
0002-2667
DOI
10.1108/00022660410565535
Publisher site
See Article on Publisher Site

Abstract

This paper focuses on investigation of a numerical method for transient temperature distribution, in order to analyze one kind of malfunction of turbine nozzle guide component of a turbo‐fan aeroengine. Thermal fatigue acts as the most important factor resulting in cracks at nozzle guide vanes and severe cracks produced may form failure of the component of the engine. However, transient temperature variety of vanes at start and stop processes of the engine causes thermal fatigue. So, basic analysis of transient temperature distribution and especially a new numerical method for transient temperature calculation in this paper have significant meaning for improving the reliability of aeroengines.

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Dec 1, 2004

Keywords: Fatigue; Temperature distribution; Numerical analysis

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