Improvement of refrigeration/air-conditioning performance with mechanical sub-cooling

Syed M. Zubair

Energy, 1990, vol. 15, issue 5, 427-433

Abstract: Significant amounts of energy are consumed by refrigeration/air-conditioning systems. An energy-saving approach that can be applied to new or existing refrigeration/air-conditioning installations is discussed to increase system performance and reduce energy consumption. It consists of adding a mechanical subcooling loop to a conventional vapor-compression cycle. The performance of a modified system is demonstrated for three different applications. It was found that the system performance peaks at a sub-cooler saturation temperature midway between the condensing and evaporating temperatures. Simulations show that performance improvement for air-conditioning systems can be as high as 20% during peak periods of high condensing temperatures whereas high-temperature and low-temperature refrigeration systems under these same conditions will provide energy-savings of 20 and 40%, respectively.

Date: 1990
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:15:y:1990:i:5:p:427-433

DOI: 10.1016/0360-5442(90)90039-5

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