Inverse analysis for estimating the timewise and spacewise variation of the wall heat flux in a parallel plate channel

Inverse analysis for estimating the timewise and spacewise variation of the wall heat flux in a... Solves the inverse problem of estimating the wall heat flux in a parallel plate channel, by using the conjugate gradient method with adjoint equation. The unknown heat flux is supposed to vary in time and along the channel flow direction. Examines the accuracy of the present function estimation approach, by using transient simulated measurements of several sensors located inside the channel. The inverse problem is solved for different functional forms of the unknown wall heat flux, including those containing sharp corners and discontinuities, which are the most difficult to be recovered by an inverse analysis. Addresses the effects on the inverse problem solution of the number of sensors, as well as their locations. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Numerical Methods for Heat & Fluid Flow Emerald Publishing

Inverse analysis for estimating the timewise and spacewise variation of the wall heat flux in a parallel plate channel

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Publisher
Emerald Publishing
Copyright
Copyright © 1997 MCB UP Ltd. All rights reserved.
ISSN
0961-5539
DOI
10.1108/09615539710185578
Publisher site
See Article on Publisher Site

Abstract

Solves the inverse problem of estimating the wall heat flux in a parallel plate channel, by using the conjugate gradient method with adjoint equation. The unknown heat flux is supposed to vary in time and along the channel flow direction. Examines the accuracy of the present function estimation approach, by using transient simulated measurements of several sensors located inside the channel. The inverse problem is solved for different functional forms of the unknown wall heat flux, including those containing sharp corners and discontinuities, which are the most difficult to be recovered by an inverse analysis. Addresses the effects on the inverse problem solution of the number of sensors, as well as their locations.

Journal

International Journal of Numerical Methods for Heat & Fluid FlowEmerald Publishing

Published: Nov 1, 1997

Keywords: Conjugate gradient method; Heat conduction; Wall heat flux

References

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