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Başlık: Exergoeconomic analysis of a district heating system for geothermal energy using specific exergy cost method
Yazarlar: Alkan, Mehmet Ali
Keçebaş, Ali
Uludağ Üniversitesi/Teknik Bilimler Meslek Yüksekokulu/İklimlendirme ve Soğutma Teknolojisi Bölümü.
Yamankaradeniz, Nurettin
AAA-1753-2021
26645227400
Anahtar kelimeler: Thermodynamics
Energy & fuels
Geothermal energy
District heating system
The SPECO method
Exergoeconomic evaluation
Thermoeconomic analysis
Optimization
Engine
Performance
Speco
Afyon
Turkey
Cost effectiveness
District heating
Exergy
Geothermal energy
Operating costs
District heating system
Exergoeconomic
Exergoeconomic analysis
Exergy destructions
Geothermal district heating system
System components
Temperature increase
Cost-benefit analysis
Energy resource
Exergy
Geothermal energy
Heat flux
Renewable resource
Cost benefit analysis
Yayın Tarihi: Eki-2013
Yayıncı: Pergamon-Elsevier Science
Atıf: Alkan, M. A. vd. (2013). "Exergoeconomic analysis of a district heating system for geothermal energy using specific exergy cost method". Energy, 60, 426-434.
Özet: This study presents the exergoeconomic analysis and evaluation in order to provide cost based information and suggests possible locations/components in a GDHS (geothermal district heating system) for improving the cost effectiveness. The analysis is based on the SPECO (specific exergy costing) method, and used to calculate exergy-related parameters and display cost flows for all streams and components. As a real case study, the Afyon GDHS in Turkey is considered based on actual operational data. The obtained results show that the unit exergy cost of heat produced by the Afyon GDHS is calculated as average 5624 $/h. The HEX (heat exchanger)-III among all components should be improved quickly due to the high total operating cost rate and relative cost difference. The HEX-I and PM (pump)-V have the highest exergoeconomic factors among all other system components due to the high owning and operating costs of these components. The heat production costs per exergy unit for all the HEXs decrease due to the high exergy destruction cost rate of the system, while the well head temperature and ambient temperature increase. The SPECO method may be used to improve the cost effectiveness according to exergy rates in GDHSs as a thermal system.
URI: https://doi.org/10.1016/j.energy.2013.08.017
https://www.sciencedirect.com/science/article/pii/S0360544213006920
http://hdl.handle.net/11452/29457
ISSN: 0360-5442
1873-6785
Koleksiyonlarda Görünür:Scopus
Web of Science

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