Estimating the Wall Heat Flux of Unsteady Conjugated Forced Convection Between Two Corotating Disks Using an Inverse Solution Scheme-Reference-Cited by-同舟云学术

Estimating the Wall Heat Flux of Unsteady Conjugated Forced Convection Between Two Corotating Disks Using an Inverse Solution Scheme

Published:2008-09-24 Issue:12 Volume:130 Page:
ISSN:0022-1481
Container-title:Journal of Heat Transfer
language:en
Short-container-title:

Author:

Lin David T. W.¹,Li Hung Yi²,Yan Wei Mon²

Affiliation:

1. Insitute of Engineering Technology, National University of Tainan, Tainan City 700, Taiwan, R.O.C.

2. Department of Mechatronic Engineering, Huafan University, Shih Ting, Taipei 223, Taiwan, R.O.C.

Abstract

An inverse solution scheme based on the conjugate gradient method with the minimization of the object function is presented for estimating the unknown wall heat flux of conjugated forced convection flows between two corotating disks from temperature measurements acquired within the flow field. The validity of the proposed approach is demonstrated via the estimation of three time- and space-dependent heat flux profiles. A good agreement is observed between the estimated results and the exact solution in every case. In general, the accuracy of the estimated results is found to improve as the temperature sensors are moved closer to the unknown boundary surface and the error in the measured temperature data is reduced.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Link

http://asmedigitalcollection.asme.org/heattransfer/article-pdf/doi/10.1115/1.2976788/5756956/121702_1.pdf

Reference39 articles.

1. Inverse Heat Transfer Problems

2. Solution of an Elliptic Inverse Convection Problem Using a Whole Domain Regularization Technique;Moutsoglou;J. Thermophys. Heat Transfer

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