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Energies 2017, 10(1), 72; doi:10.3390/en10010072

Thermal Analysis of a Solar Powered Absorption Cooling System with Fully Mixed Thermal Storage at Startup

Department of Engineering Thermodynamics, University Politehnica of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
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Academic Editor: Antonio Calvo Hernández
Received: 4 November 2016 / Revised: 20 December 2016 / Accepted: 22 December 2016 / Published: 10 January 2017
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Abstract

A simple effect one stage ammonia-water absorption cooling system fueled by solar energy is analyzed. The considered system is composed by a parabolic trough collector concentrating solar energy into a tubular receiver for heating water. This is stored in a fully mixed thermal storage tank and used in the vapor generator of the absorption cooling system. Time dependent cooling load is considered for the air conditioning of a residential two-storey house. A parametric study is performed to analyze the operation stability of the cooling system with respect to solar collector and storage tank dimensions. The results emphasized that there is a specific storage tank dimension associated to a specific solar collector dimension that could ensure the longest continuous startup operation of the cooling system when constant mass flow rates inside the system are assumed. View Full-Text
Keywords: solar energy; ammonia-water absorption cooling; parabolic trough collector; fully mixed thermal storage solar energy; ammonia-water absorption cooling; parabolic trough collector; fully mixed thermal storage
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Stanciu, C.; Stanciu, D.; Gheorghian, A.-T. Thermal Analysis of a Solar Powered Absorption Cooling System with Fully Mixed Thermal Storage at Startup. Energies 2017, 10, 72.

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