Central air conditioning based on adsorption and solar energy

被引：21

作者：

Ferreira Leite, Antonio Pralon

Belo, Francisco Antonio ^{[2
]}

Martins, Moacir Machado ^{[3
]}

Riffel, Douglas Bressan ^{[1
]}

机构：

[1] Fed Univ Sergipe UFS, Dept Mech Engn, BR-49100000 Aracaju, SE, Brazil

[2] Univ Fed Paraiba, Solar Energy Lab, BR-58051900 Joao Pessoa, Paraiba, Brazil

[3] Fed Inst Pernambuco, BR-50740540 Recife, PE, Brazil

来源：

APPLIED THERMAL ENGINEERING | 2011年 / 31卷 / 01期

关键词：

Adsorption chiller; Activated carbon-methanol; Thermal storage; Solar energy; ICE MAKER; HEAT; REFRIGERATOR; PERFORMANCE; ADSORBENTS;

D O I：

10.1016/j.applthermaleng.2010.08.010

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presents the characterization and the pre-dimensioning of an adsorption chiller as part of a 20 kW air conditioning central unit for cooling a set of rooms that comprises an area of 110 m(2). The system is basically made up of a cold water storage tank supplied by an activated carbon-methanol adsorption chiller, a hot water storage tank, fed by solar energy and natural gas, and a fan-coil. During an acclimatization of 8 h (9-17 h), the following parameters were obtained for dimensioning the cooling system: 504 kg of activated carbon, 180 L of methanol, 7000 L of hot water,10,300 L of cold water with its temperature varying in the fan-coil from 1 degrees C to 14 degrees C. Considering the mean value of the total daily irradiation in Joao Pessoa (7 degrees 8'S, 34 degrees 50'WG), and a cover of regenerating heat supplied by solar energy equivalent to 70%, the adsorption chiller's expected coefficient of performance (COP) was found to be around 0.6. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：50 / 58

页数：9

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