Experimental Investigation of Different Heat Recovery Systems in Leisure Center and its Effect on CO2 Emission

Elazm, M. M. Abo; Elsafty, A. F.
July 2011
International Review of Mechanical Engineering;Jul2011, Vol. 5 Issue 5, p927
Academic Journal
Nowadays the crisis of energy is one of the most important problems of the world. Building units are the first consumer in world energy. Because of this, in design of Green Buildings the most important challenge is reduction of energy consumption in buildings. Leisure centers are also known as high energy consumers, especially if they have large ice rinks and swimming pools. The aim of this paper is to investigate different heat recovery concepts, by using the heat rejected from the condenser of the refrigeration unit to heat the water of swimming pool especially in winter. An experimental model has been constructed to contribute in solving the problem of energy shortage. The model installed includes an ice rink, a swimming pool and two different condensers. A comparison between different cases of operation to obtain the maximum energy saving was carried out. The results show that the energy saving was about 30% by using both air and water cooled condensers in series compared to the air cooled condenser only. The results also showed a significant decrease in the time required for the ice formation by using both air and water cooled condensers.


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