Dynamic simulation of a domestic hot-water system

G. J. Parker and A. S. Tucker

Applied Energy, 1991, vol. 40, issue 1, 19 pages

Abstract: The paper describes the building and testing of a domestic hot-water system in a laboratory of the Department of Mechanical Engineering, University of Canterbury, New Zealand. The system included not only conventional household devices, but also solar panels and a waste-water heat exchanger. The rig was controlled by a micro-processor so that tests could be readily repeated to assess the effect of a change of value of any particular parameter. The data were recorded by a separate logging system for subsequent analysis. The energy saved by using the solar panels was a maximum of 47% and by employing the waste-water heat exchanger was a maximum of 32%. The saving when using both together was always less than the sum of the individual savings.

Date: 1991
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