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The effect of geometrical parameters on heat transfer characteristics of compact exchanger with louvered fins

TJ263.G36 2018

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Main Author: Gan, Yi Zhe
Format: text::Final Year Project
Language:English
Published: 2024
Subjects:
Heat exchangers
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spelling my.uniten.dspace-329562024-09-02T11:46:41Z The effect of geometrical parameters on heat transfer characteristics of compact exchanger with louvered fins Gan, Yi Zhe Heat exchangers TJ263.G36 2018 Louvered fins and round tube heat exchangers are used widely in numerous engineering industries for non-mixing heat transfer process between different streams of fluids. The geometry of the microstructure of these louvered fins play big roles in affecting the performance of the heat exchanger. In this study, the effect of number of louvers and turnaround louver length on air side heat transfer performance is numerically investigated. The louvers serve to redirect the flow of air for vortex generation to destroy high resistance thermal boundary layers. By manipulating the number of louvers, the effect on the heat transfer characteristics is investigated. As for the turnaround louver, it serves as a device to redirect louver-directed air stream to prevent concentration of air at either the top or bottom of the fin. By changing the length of the turnaround louver, the effect of this change on the degree of redirection and corresponding heat transfer characteristic is investigated numerically. The pressure drops associated with these two changes are considered by incorporating the Performance Evaluation Criterion (PEC) to determine whether the performance of the heat exchanger is better or worse after applying the new fin structure. This work is conducted via numerical study using Computational Fluid Dynamics (CFD) as the main concept in verifying the objectives of this study. In the end of the work, findings have proven that the optimal number of louvers for enhanced heat transfer is 4 louvers, and the optimal turnaround louver length for maximum heat transfer is 0.75mm. In this thesis, the full description of work will be presented, which includes the study on previous works, methodology of current work and detailed findings of current work. 2024-07-29T03:15:54Z 2024-07-29T03:15:54Z 2018 Resource Types::text::Final Year Project https://irepository.uniten.edu.my/handle/123456789/32956 en application/pdf
institution Universiti Tenaga Nasional
building UNITEN Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Tenaga Nasional
content_source UNITEN Institutional Repository
url_provider http://dspace.uniten.edu.my/
language English
topic Heat exchangers
spellingShingle Heat exchangers
Gan, Yi Zhe
The effect of geometrical parameters on heat transfer characteristics of compact exchanger with louvered fins
description TJ263.G36 2018
format Resource Types::text::Final Year Project
author Gan, Yi Zhe
author_facet Gan, Yi Zhe
author_sort Gan, Yi Zhe
title The effect of geometrical parameters on heat transfer characteristics of compact exchanger with louvered fins
title_short The effect of geometrical parameters on heat transfer characteristics of compact exchanger with louvered fins
title_full The effect of geometrical parameters on heat transfer characteristics of compact exchanger with louvered fins
title_fullStr The effect of geometrical parameters on heat transfer characteristics of compact exchanger with louvered fins
title_full_unstemmed The effect of geometrical parameters on heat transfer characteristics of compact exchanger with louvered fins
title_sort effect of geometrical parameters on heat transfer characteristics of compact exchanger with louvered fins
publishDate 2024
_version_ 1809152808072511488
score 13.222552

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