Authors: Evren Karakasli; Hakan F. Oztop; Arif Hepbasli
Addresses: Technology Faculty, Department of Mechanical Engineering, Fırat University, Elazig 23119, Turkey ' Technology Faculty, Department of Mechanical Engineering, Fırat University, Elazig 23119, Turkey ' Faculty of Engineering, Department of Energy Systems Engineering, Yaşar University, 35100, Izmir, Turkey
Abstract: The performance of a hospital building, heated by a natural gas-fired boiler system, was assessed by using energy and exergy analysis methods in this study. The analysis was performed from the primary energy production to the envelope of the building. In the evaluation, other parameters, such as total exergy input rate per area, total exergy input rate per volume and exergy flexibility factor were also utilised. It is found that overall energy and exergy efficiencies of the heating and cooling system were 13.4% and 1.35%, respectively. It may be concluded that in establishing energy policies, the exergy phenomenon should also be included because exergy is considered as a very useful and effective tool for buildings.
Keywords: energy analysis; exergy analysis; energy conversion; performance evaluation; polyclinic heating and cooling; hospital buildings; hospitals; natural gas boilers; energy efficiency; exergy efficiency.
International Journal of Exergy, 2016 Vol.21 No.1, pp.70 - 86
Received: 23 Jan 2015
Accepted: 02 Sep 2015
Published online: 17 Aug 2016 *