A novel lithium bromide absorption chiller with enhanced absorption pressure

被引：19

作者：

Xie, Guozhen ^{[1
]}

Wu, Qingping ^{[2
]}

Fa, Xiaoming ^{[1
]}

Zhang, Lirong ^{[1
]}

Bansal, Pradeep ^{[3
]}

机构：

[1] Beijing Univ Civil Engn & Architecture, Beijing 100044, Peoples R China

[2] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Xian 710049, Peoples R China

[3] Univ Auckland, Dept Mech Engn, Auckland 1, New Zealand

来源：

APPLIED THERMAL ENGINEERING | 2012年 / 38卷

基金：

北京市自然科学基金;

关键词：

Absorption refrigeration; Sub-steady equilibrium state; COP; Lithium-bromide/water solution;

D O I：

10.1016/j.applthermaleng.2011.12.047

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Although lithium bromide absorption chillers (LBACs) are widely used to provide thermal comfort by utilizing waste heat, they suffer from low efficiency. This paper presents an experimental investigation on a novel reformed LBAC based on the absorption principle of the lithium-bromide/water solution in the sub-steady equilibrium state that is, enhancing absorption pressure in the absorber and decreasing temperature in the generator of the novel LBAC. The novel LBAC results in the increment of double refrigeration capacity and the improvement of COP coefficient of performance (COP) by 1.5 times when the absorption pressure of the novel LBAC enhances from 1.2 kPa to 2.2 kPa. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1 / 6

页数：6

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