THERMAL SCIENCE

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Gökhan Sevilgen

A NUMERICAL ANALYSIS OF A CONVECTIVE STRAIGHT FIN WITH TEMPERATURE-DEPENDENT THERMAL CONDUCTIVITY

ABSTRACT
In this paper, heat transfer characteristics of a straight fin having temperature-dependent thermal conductivity were computed by using 3-D CFD analysis and MATLAB differential equation solver. The computations were performed with two different cases having both constant and linear function for thermal conductivity property. The CFD and MATLAB results were in good agreement with the data available in the literature. With the help of using these numerical techniques, fin efficiency can be improved and heat transfer rate of fins can be augmented by changing fin materials with variable thermal properties and air-flow conditions. Application of the proposed method can be effectively extended to solve the class of similar non-linear fin problems in engineering and sciences.
KEYWORDS
straight fin, temperature dependent thermal conductivity, fin efficiency
PAPER SUBMITTED: 2014-12-01
PAPER REVISED: 2015-04-22
PAPER ACCEPTED: 2015-04-24
PUBLISHED ONLINE: 2015-05-03
DOI REFERENCE: https://doi.org/10.2298/TSCI141201055S
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2017, VOLUME 21, ISSUE Issue 2, PAGES [939 - 952]
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A numerical analysis of a convective straight fin with temperature-dependent thermal conductivity

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence