Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10108
Title: A study on the energy performance of three schemes for widening application of water-cooled air-conditioning systems in Hong Kong
Authors: Yik, F
Burnett, J
Prescott, I
Keywords: Water-cooled air-conditioning systems
District cooling systems
Energy
Economic analysis
Commercial buildings
Issue Date: 2001
Publisher: Elsevier
Source: Energy and buildings, 2001, v. 33, no. 2, p. 167-182 How to cite?
Journal: Energy and buildings 
Abstract: The Hong Kong Government intends to reduce greenhouse gases emissions from power stations through widening application of the more energy efficient water-cooled air-conditioning systems (WACS) in buildings. Consideration is being given to the development of centralized, district wide systems for supplying seawater for once-through condenser cooling (the CPSSCC scheme), or for make-up of water losses at cooling towers (the CPSSCT scheme) such that buildings that are restricted to using air-cooled air-conditioning systems (AACS) may adopt or convert to WACS. Development of district cooling systems (DCS) for supplying chilled water to buildings is another feasible option. This paper describes a study into the energy benefits of implementing these schemes in Hong Kong. Application of the analysis method to a territory-wide study for Hong Kong showed that these schemes were all technically feasible and economically viable. It was estimated that compared with all buildings using AACS, the economic saving that could be realized through implementing these schemes in large scale an around 6% for the CPSSCC scheme, 2-3% for the CPSSCT scheme and 20-23% for the DCS scheme.
URI: http://hdl.handle.net/10397/10108
ISSN: 0378-7788
EISSN: 1872-6178
DOI: 10.1016/S0378-7788(00)00095-5
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