Uncertainty in thermal analysis of gas turbine blades


Mohan, P. Surya, Nair, Prasanth B. and Keane, Andy J. (2009) Uncertainty in thermal analysis of gas turbine blades. In, 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, Palm Springs, USA, 04 - 07 May 2009. USA, American Institute of Aeronautics and Astronautics13pp.

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Description/Abstract

This paper presents a methodology for thermal analysis of gas turbine blades in the presence of material and geometrical uncertainties. We outline the steps, involving random field and spatial discretization procedures followed by the solution and post-processing schemes employing stochastic reduced basis methods, for both types of uncertainties. Numerical studies are presented for a model problem which clearly indicate the speed and accuracy of the method in comparison to a benchmark Monte-Carlo simulation.

Item Type: Conference or Workshop Item (Paper)
Additional Information: AIAA paper no. 2009-2262
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Subjects: T Technology > TJ Mechanical engineering and machinery
Q Science > QA Mathematics
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences > Computational Engineering and Design
ePrint ID: 71650
Date Deposited: 17 Dec 2009
Last Modified: 27 Mar 2014 18:51
Publisher: American Institute of Aeronautics and Astronautics
URI: http://eprints.soton.ac.uk/id/eprint/71650

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