Thermal analysis of a constructal T-shaped porous fin with simultaneous heat and mass transfer

Saheera Azmi Hazarika; Tuhin Deshamukhya; Dipankar Bhanja; Sujit Nath

doi:10.1016/j.cjche.2017.03.034

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Thermal analysis of a constructal T-shaped porous fin with simultaneous heat and mass transfer

Fluid Dynamics and Transport Phenomena | Updated：2026-01-06

- Thermal analysis of a constructal T-shaped porous fin with simultaneous heat and mass transfer
- Chinese Journal of Chemical Engineering Vol. 25, Issue 9, Pages: 1121-1136(2017)
- Affiliations：
  
  Department of Mechanical Engineering, National Institute of Technology Silchar, Assam 0,India,788 01
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.03.034
  CLC：
- Published：2017
- Accepted：
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Saheera Azmi Hazarika, Tuhin Deshamukhya, Dipankar Bhanja, Sujit Nath. Thermal analysis of a constructal T-shaped porous fin with simultaneous heat and mass transfer[J]. , 2017, 25(9): 1121-1136.
DOI：

Saheera Azmi Hazarika, Tuhin Deshamukhya, Dipankar Bhanja, Sujit Nath. Thermal analysis of a constructal T-shaped porous fin with simultaneous heat and mass transfer[J]. , 2017, 25(9): 1121-1136. DOI： 10.1016/j.cjche.2017.03.034.

摘要

Abstract

The present work establishes an analytical model for computing the temperature distribution

fin efficiency and optimum design parameters of a constructal T-shaped porous fin operating in fully wet condition. For more practical results

this study considers a cubic polynomial relationship between the humidity ratio of saturated air and the corresponding fin surface temperature. The temperature distribution has been determined by solving the highly non-linear governing equations using a semi-analytical transformation technique called Differential Transform Method. A comparison of the results with that of a numerical model shows that this transformation method is a very efficient and convenient tool for solution of non-linear problems. The effects of various geometric

thermo-physical and psychometric parameters on the temperature distribution

fin efficiency and optimum design condition have been investigated. Also

a comparison has been presented between solid and porous fins and the results point out that by selecting an appropriate value of porosity

the heat transfer rate can be increased than the corresponding solid fin.

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