Effect of Adsorbent Diameter on the Performance of Adsorption Refrigeration

Adsorbents are important components in adsorption refrigeration. The diameter of an adsorbent can af-fect the heat and mass transfer of an adsorber. The effect of particle diameter on effective thermal conductivity was investigated. The heat transfer coefficient of the refrigerant and the void rate...

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Bibliographic Details
Published in:Chinese journal of chemical engineering 2014-05, Vol.22 (5), p.602-606
Main Author: 黄宏宇 何兆红 袁浩然 小林敬幸 赵丹丹 窪田光宏 郭华芳
Format: Article
Language:English
Subjects:
adsorbent diameter
Adsorbents
adsorption refrigeration
Cycle time
heat and mass transfer
Heat transfer
Mass transfer
Permeability
Pressure drop
Refrigeration
thermal conduction
Thermal conductivity
传热系数
传质性能
吸附剂
吸附式制冷
周期时间
有效导热系数
直径
输出功率
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Summary:Adsorbents are important components in adsorption refrigeration. The diameter of an adsorbent can af-fect the heat and mass transfer of an adsorber. The effect of particle diameter on effective thermal conductivity was investigated. The heat transfer coefficient of the refrigerant and the void rate of the adsorbent layer can also affect the effective thermal conductivity of adsorbents. The performance of mass transfer in the adsorber is better when pressure drop decreases. Pressure drop decreases with increasing permeability. The permeability of the adsorbent layer can be improved with increasing adsorbent diameter. The effect of adsorbent diameter on refrigeration output power was experimentally studied. Output power initially increases and then decreases with increasing diameter under different cycle time conditions. Output power increases with decreasing cycle time under similar diameters.
ISSN:1004-9541
2210-321X
DOI:10.1016/S1004-9541(14)60074-4