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Predicting the capacity of a heat exchanger by a thermal network method

✍ Scribed by Kunihiko Kaga; Kenichi Yamada; Satoru Kotoh; Teturo Ogushi

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
158 KB
Volume
31
Category
Article
ISSN
1099-2871

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✦ Synopsis

Abstract

In this paper a thermal network method using the effective specific heat model of a refrigerant with phase change is proposed for predicting the capacity of a plate‐fin and tube‐type heat exchanger. The effective specific heat model can attain an accurate result of a condenser's heat exchanging capacity when it has a small number of elements. By comparing calculated results with those of an experiment, it is found that the error in the condenser's calculated capacity is less than 1% when the range of subcool temperature is from 15 to 22 K at the outlet of refrigerant flow. Β© 2002 Scripta Technica, Heat Trans Asian Res, 31(2): 128–140, 2002; DOI 10.1002/htj.10021

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