Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22192
Title: Life cycle energy cost analysis of heat pump application for hotel swimming pools
Authors: Lam, JC
Chan, WW 
Keywords: Energy balance
Heat pump
Hotel swimming pool
Life cycle energy analysis
Subtropical climates
Issue Date: 2001
Publisher: Pergamon Press
Source: Energy conversion and management, 2001, v. 42, no. 11, p. 1299-1306 How to cite?
Journal: Energy conversion and management 
Abstract: This paper presents the work on evaluating the thermal performance and life cycle energy cost of using heat pumps for hotel swimming pools in subtropical climates. A roof top pool in a city hotel was investigated. The energy requirement for maintaining the pool water temperature was analysed in terms of the energy loss through four major processes, namely evaporation, radiation, convection and water refill. The governing equations for these four heat loss processes were developed based on a review of the literature. It was found that substantial energy savings could be achieved. Compared with conventional electric boilers and condensing/non-condensing gas fired boilers, the total energy savings during a 6 1/2 month (mid-October to April) heating season ranged from 39.9 to 46.3 MW h. A life cycle of 10 years was used to calculate the net present value of the energy cost. Over a 10 year life cycle, the energy cost could be reduced by HK$ 275,700 if a heat pump (with a mean seasonal coefficient of performance of 3.5) were used instead of a conventional electric boiler or condensing boiler.
URI: http://hdl.handle.net/10397/22192
ISSN: 0196-8904
EISSN: 1879-2227
DOI: 10.1016/S0196-8904(00)00146-1
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