A 2D inverse problem of predicting boiling heat transfer in a long fin

A method for the determination of local values of the heat transfer coefficient on non-isothermal surfaces was analyzed on the example of a long smooth-surfaced fin made of aluminium. On the basis of the experimental data, two cases were taken into consideration: one-dimensional model for Bi   0.1,...

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Bibliographic Details
Published in:Heat and mass transfer 2016-10, Vol.52 (10), p.2129-2140
Main Author: Orzechowski, Tadeusz
Format: Article
Language:English
Subjects:
Engineering
Engineering Thermodynamics
Heat and Mass Transfer
Industrial Chemistry/Chemical Engineering
One dimensional models
Original
Thermodynamics
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Summary:A method for the determination of local values of the heat transfer coefficient on non-isothermal surfaces was analyzed on the example of a long smooth-surfaced fin made of aluminium. On the basis of the experimental data, two cases were taken into consideration: one-dimensional model for Bi   0.1, the problem was modelled using a 2-D heat conduction equation, for which the boundary conditions were posed on the surface observed with a thermovision camera. The ill-conditioned inverse problem was solved using a method of heat polynomials, which required validation.
ISSN:0947-7411
1432-1181
DOI:10.1007/s00231-015-1733-x