A new generation cooling device employing CaCl2-in-silica gel-water system

被引：184
|
作者：
Saha, Bidyut Baran [1 ]
Chakraborty, Anutosh [1 ]
Koyama, Shigeru [1 ]
Aristov, Yu I. [2 ]
机构：
[1] Kyushu Univ, Interdisciplinary Grad Sch Engn Sci, Kasuga, Fukuoka 8168580, Japan
[2] Russian Acad Sci, Siberian Div, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2009年 / 52卷 / 1-2期
关键词：
Adsorption; Cooling; CaCl2-in-silica gel; Silica gel; Waste heat recovery; ADSORPTION HEAT-PUMP; SILICA-GEL; SOLID SORPTION; WASTE-HEAT; PERFORMANCE EVALUATION; OPERATING-CONDITIONS; REFRIGERATION CYCLE; MASS TRANSFERS; COUPLED HEAT; PART I;
D O I：
10.1016/j.ijheatmasstransfer.2008.06.018
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This article presents the dynamic modelling of a single effect two-bed adsorption chiller utilizing the composite adsorbent "CaCl2 confined to KSK silica gel" as adsorbent and water as adsorbate, which is based on the experimentally confirmed adsorption isotherms and kinetics data. Compared with the experimental data of conventional adsorption chiller based on RD silica gel + water pair, we found that the new working pair provides better cooling capacity and performances. From numerical simulation, it is also found that the cooling capacity can be increased up to 20% of the parent silica gel + water adsorption chiller and the coefficient of performance (COP) can be improved up to 25% at optimum conditions. We also demonstrate here that the best peak chilled water temperature suppression, and the maximum cooling capacity can be achieved by the optimum analysis for both cycles. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：516 / 524
页数：9
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