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Paper Details

Paper Title
Review of Experimental Analysis and Comparision of Results with Correlations developed for Colburn Factor (j) and Friction Factor (f) in Plate Fin Heat Exchangers
Abstract
In the cryogenics field, high effectiveness heat exchangers of the order of 0.96 or higher are widely used for preserving the refrigeration effect produced. So, there will be no liquid yield if the effectiveness falls below that of the design value Due to high effectiveness, low weight & compactness, the compact heat exchangers have their extensive applications in cryogenics. The plate fin heat exchangers (PFHE) is a type of compact heat exchanger which is manufactured by brazing a stack of alternate plates (parting sheets) & corrugated fins together. The exchange of heat occurs by the streams through the fins. Generally, aluminum is used for manufacturing PFHE due to their high thermal conductivity & low cost. In the plate fin heat exchanger, the pressure drop is also measured along with the effectiveness. The increase in pressure gradient can be outweighed by decreasing the passage length, so that an acceptable pressure drop can be achieved. There are enormous research is going on to make out the heat transfer phenomena & also to determine the dimensionless heat transfer coefficients that is the Colburn factor (j) and the friction factor (f). In this review paper, experimental analysis and results compared with correlations developed for colburn factor (j) and friction factor (f) for PFHE.
KeyWord
compact heat exchangers, plate fin heat exchangers (PFHE), fins, colburn factor (j), friction factor (f), Number of Transfer Units (NTU), Reynolds Number (Re).
Others Details
Paper Id : 99993
Author Name : CHAVDA VIJAYKUMAR RANCHHODBHAI
Volume/Issue No : Volume 04 Issue 11
Page No : 116-121
DOI Number : DOI:10.21090/IJAERD.99993
Publication Date : 2017-11-09
License : This work is licensed under a Creative Commons Attribution 4.0 International License.
website : http://www.ijaerd.com/index.php
Impact Factor : 4.72, SJIF-2016
ISSN Details : eISSN: 2348-4470, pISSN:2348-6406