Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10222
Title: Evaluation of viewing-angle effect on determination of local heat transfer coefficients on a curved surface using transient and heated-coating liquid-crystal methods
Authors: Chan, TL 
Issue Date: 2001
Publisher: Springer
Source: Experiments in fluids, 2001, v. 31, no. 4, p. 447-456 How to cite?
Journal: Experiments in Fluids 
Abstract: This paper presents the effect of viewing-angle variations on the accuracy of transient and heated-coating liquid-crystal methods for determining the local heat transfer coefficients on a curved surface. A developed liquid-crystal calibration technique using a true-color image processing system has been used to alleviate the effect of viewing angle on oblique/curved surfaces. The accuracy of heat transfer coefficients improved significantly with careful correction of the viewing-angle effect on the surface geometry. It is crucial to ensure the implementation of the suggested calibration technique to be used in wideband thermochromic liquid-crystal applications on the non-orthogonal surface.
URI: http://hdl.handle.net/10397/10222
ISSN: 0723-4864
DOI: 10.1007/s003480100334
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