Numerical study of the effectiveness of a vertical falling plate film absorber for an absorption chiller

被引：12
|
作者：
Perier-Muzet, Maxime [1 ,3 ]
Stutz, Benoit [2 ]
机构：
[1] CNRS PROMES Lab PROc Mat & Energie Solaire, F-66100 Perpignan, France
[2] Univ Savoie Mt Blanc, LOCIE, CNRS, F-73376 Le Bourget Du Lac, France
[3] UPVD Univ Perpignan Via Domitia, F-66100 Perpignan, France
来源：
INTERNATIONAL JOURNAL OF REFRIGERATION | 2021年 / 127卷
关键词：
Falling film; Flat plate exchanger; Absorber; Lithium bromide; Mass effectiveness; MASS-TRANSFER; LITHIUM BROMIDE; WATER-VAPOR; HEAT; PERFORMANCE; TUBE; FLUIDS; FLOW;
D O I：
10.1016/j.ijrefrig.2021.02.013
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This study investigates the impact of design and operating conditions on the performance of a falling film grooved plate absorbers integrated in a Lithium Bromide water absorption refrigeration machine. The performance of the component is described using two parameters: the mass efficiency and the absorbed vapour mass flow rate per unit plate width. The study implements a heat and mass transfer model validated with specific experimental data. The absorber effectiveness proposed by previous studies was generalized so that all absorbers' operating conditions could be considered. A parametric study considering variation of solution Reynolds number is conducted. Based on these simulations, global and local transfers are discussed. (c) 2021 Elsevier Ltd and IIR. All rights reserved.
引用
收藏
页码：221 / 229
页数：9
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