Inverse analysis for estimating the unsteady inlet temperature distribution for two-phase laminar flow in a channel

An inverse thermal problem was considered for two-phase laminar flow in a parallel plate duct. The inlet temperature, which varies temporally as well as spatially, was estimated when measured temperatures were available at downstream of the duct. In the present study, the problem is solved through a minimization of an objective function by using two regularization methods, i.e., the iterative conjugate gradient method (CGM) and the Tikhonov regularization method (TRM). The effects of the functional form of inlet temperature profile, the number of the measurement points and the measurement errors are investigated and discussed. The computational accuracy and efficiency of these two regularization method are compared and discussed. (c) 2005 Elsevier Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2006-03
Language
ENG
Keywords

PARALLEL-PLATE DUCT; WALL HEAT-FLUX; FORCED-CONVECTION

Citation

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, v.49, no.5-6, pp.1137 - 1147

ISSN
0017-9310
DOI
10.1016/j.ijheatmasstransfer.2005.07.051
URI
http://hdl.handle.net/10203/6947
Appears in Collection
AE-Journal Papers(저널논문)
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