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Heat reject recovery in solar air conditioning

Corrada, Paolo, Bell, John M., Guan, Lisa, & Motta, Nunzio (2011) Heat reject recovery in solar air conditioning. In Australian Solar Energy Society 49th Annual Conference : Solar 2011, 30 November - 2 December , Sydney, NSW.

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Abstract

This study demonstrates the possibility of using an absorption chiller to produce chilled water for air conditioning, and at the same time recover the rejected heat producing domestic hot water. The absorption chiller considered for this application has been sized to suit a standard household and uses a solution of ammonia and water running on hot water at a temperature ranging from 80 - 120°C produced by thermal solar panels.

The system consists of five main components: generator, rectifier, condenser, evaporator and absorber, and is divided in two sections at two different pressures. The section at higher pressure includes the generator, rectifier and condenser whereas the section at lower pressure includes the evaporator and the absorber.

Heat in this type of system is usually rejected to the environment from the condenser, rectifier and absorber through a cooling tower or air cooler exchanger. In this paper we describe how to recover this heat to create domestic hot water by providing a quantitative evaluation of the amount of energy recovered by the proposed system, if used in the Australian region.

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ID Code: 49358
Item Type: Conference Paper
Additional URLs:
Keywords: absorption chiller, heat recovery, solar air-conditioning, solar cooling, solar heat pump
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Energy Generation Conversion and Storage Engineering (091305)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2011 [please consult the author]
Deposited On: 27 Mar 2012 08:42
Last Modified: 25 Apr 2013 16:33

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