Lowering the sink temperature for a desert solar air conditioning system

Author's Department

Mechanical Engineering Department

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https://doi.org/10.2495/SDP110201

Document Type

Research Article

Publication Title

WIT Transactions on Ecology and the Environment

Publication Date

1-1-2011

doi

10.2495/SDP110201

Abstract

The paper addresses the problem of cooling air conditioning systems in desert environments where ambient air temperatures are high, and cooling towers should be avoided because of scarcity of water resources. A proposed ground heat-sink is proposed which exploits the highly effective night-time desert cooling by long-wave atmospheric radiation. A simple computer model is presented for the performance of the heat-sink design, which integrates with a load calculation model for a hypothetical zero energy house, in which the air conditioning equipment is solar driven. The load-calculation and thermal-sink models are matched dynamically with the time dependent solar energy characteristics of the selected site, and predicted results are displayed and discussed. © 2011 WIT Press.

First Page

227

Last Page

238

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