THERMAL SCIENCE

International Scientific Journal

Bhupal Kumar

,

S. N Singh

HYDRAULIC AND THERMAL STUDIES ON A CHEVRON TYPE PLATE HEAT EXCHANGER

ABSTRACT
The present work deals with the experimental study of a single pass U-type chevron plate heat exchanger using liquid-liquid combination in both the channels for the range of Reynolds numbers, 800-5900. The influence of Reynolds number, pumping power and number of plates on the hydraulic and thermal performance of plate heat exchager are presented. Results are predicted for a chevron angle of β=60o and fixed port size dp =25.4 mm for a different set of plates, namely, 15, 21, and 27 under two different conditions viz. isothermal and non-isothermal. The present results of non-dimensional channel velocity and Nusselt number are compared with the analytical results of Bassiouny and Martin and Nusselt number correlation of Wang and Sunden, respectively. At a Reynolds numbers of 3900, enhancement in Nusselt number on increasing number of plates from 15-21 and 21-27, is found to be 56% and 19%, respectively. Based on experimental data, correlations for Nusselt number and friction factor are also developed.
KEYWORDS
plate heat exchanger, flow maldistribution, chevron, pressure drop, nusselt number
PAPER SUBMITTED: 2016-03-24
PAPER REVISED: 2016-11-18
PAPER ACCEPTED: 2016-12-22
PUBLISHED ONLINE: 2017-01-14
DOI REFERENCE: https://doi.org/10.2298/TSCI160324312K
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2018, VOLUME 22, ISSUE No. 6, PAGES [2759 - 2770]
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Hydraulic and thermal studies on a chevron type plate heat exchanger

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