A BEM-based Inverse Algorithm To Retrieve Multi-dimensional Heat Transfer Coefficients From Transient Temperature Measurements
Price
Free (open access)
Transaction
Volume
23
Pages
10
Published
1999
Size
864 kb
Paper DOI
10.2495/BT990071
Copyright
WIT Press
Author(s)
Alain J. Kassab, Eduardo Divo, and Mingking Chyu
Abstract
We present a BEM-based inverse algorithm to retrieve multi-dimensional heat transfer coefficients (h) from surface temperature measurements. The time history of temperatures at convective BEM nodes is measured (or simulated). At each time level, a regularized least-squares functional is minimized to retrieve current fluxes and simultaneously smooth out temperature measurement errors. The regularization term weighs the square of deviations of BEM-computed fluxes from a mean flux to allow adjustment of temperatures and fluxes to obtain a "be
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