Central air conditioning based on adsorption and solar energy.
Author(s) : LEITE A. P. F., BELO F. A., MARTINS M. M., et al.
Type of article: Article
Summary
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 m2. 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 to 14°C. Considering the mean value of the total daily irradiation in João Pessoa (7°8'S, 34°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. [Reprinted with permission from Elsevier. Copyright, 2010].
Details
- Original title: Central air conditioning based on adsorption and solar energy.
- Record ID : 30003348
- Languages: English
- Source: Applied Thermal Engineering - vol. 31 - n. 1
- Publication date: 2011/01
- DOI: http://dx.doi.org/10.1016/j.applthermaleng.2010.08.010
Links
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Indexing
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Themes:
Chillers;
Absorption and adsorption systems;
Solar refrigeration - Keywords: Design; Chiller; Adsorption system; Solar energy; COP; Air conditioning
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