Numerical simulation of dehumidifying fin-and-tube heat exchangers:: Semi-analytical modelling and experimental comparison

被引：13
|
作者：
Oliet, C. [1 ]
Perez-Segarra, C. D. [1 ]
Danov, S. [1 ]
Oliva, A. [1 ]
机构：
[1] Univ Politecn Cataluna, Ctr Tecnol Transferen Color, ETSEIAT, E-08222 Barcelona, Spain
来源：
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2007年 / 30卷 / 07期
关键词：
air conditioning; heat exchanger; finned tube; chiller; modelling; simulation; dehumidification; air; comparison; experiment;
D O I：
10.1016/j.ijrefrig.2007.02.005
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The aim of this paper is to present a developed semi-analytical model for the simulation of dehumidifying air-liquid fin-and-tube heat exchangers. The simulation strategy and the mathematical methodology are described in detail. The model is based on epsilon-NTU method, and formulated in a compact way for dry and wet surface situations (temperature or enthalpy driven, respectively). Both rating and design procedures have been developed for fully dry, partially wet, or fully wet surface conditions. The model predictions are compared with experimental data obtained on a wavy and a plain finned heat exchanger, giving reasonably accurate results. The limitations of the empirical information used are clearly identified in the work. The aim of this model is to provide a fast but reliable rating and design numerical tool for air-liquid heat exchanger applications. (C) 2007 Elsevier Ltd and IIR. All rights reserved.
引用
收藏
页码：1266 / 1277
页数：12
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