2016
DOI: 10.1016/j.enbuild.2016.06.036
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Energy and exergy based evaluation of the renovated Afyon geothermal district heating system

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Cited by 28 publications
(9 citation statements)
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“…Yazici [21] after studying geothermal DH found that lower network temperature overall provides least primary energy consumption due to higher electricity generation of CHP plant and exergy losses occur mainly because of the heat carrier, the heat exchanger losses, the losses of all pumps and pipeline loses as 15.94 %, 12.44 %, 5.52 % and 5.52 % of the total exergy input to the system. However, these are only the internal indicators of a system, which do not show the external effects linked to specific pilot case conditions, for example of marginal electricity mix that can affect environmental and sustainability performance of the studied system.…”
Section: Sustainability and Environmental Impact Assessment Of Dhmentioning
confidence: 99%
“…Yazici [21] after studying geothermal DH found that lower network temperature overall provides least primary energy consumption due to higher electricity generation of CHP plant and exergy losses occur mainly because of the heat carrier, the heat exchanger losses, the losses of all pumps and pipeline loses as 15.94 %, 12.44 %, 5.52 % and 5.52 % of the total exergy input to the system. However, these are only the internal indicators of a system, which do not show the external effects linked to specific pilot case conditions, for example of marginal electricity mix that can affect environmental and sustainability performance of the studied system.…”
Section: Sustainability and Environmental Impact Assessment Of Dhmentioning
confidence: 99%
“…İncelenen alt sistemdeki ekserji yıkımının toplam giren ekserji değerine oranı yakıt tüketim oranını (δ) ifade etmektedir ve Denklem 17 kullanılarak hesaplanır [50]. Ayrıca incelenen alt sistemin üretkenlik eksikliği oranı (ζ), incelenen alt sistemde gerçekleşen ekserji yıkımının tüm sistemden çıkan ekserji miktarına oranıdır ve Denklem 18'deki gibi ifade edilir [51]. Son olarak, Van Gool [52] Belirlenen düğüm noktaları için yapılan sıcaklık, basınç ve debi ölçüm değerleri ve bu değerlerin termodinamik özellikleri Tablo 5'de verilmiştir [45].…”
Section: Gerçek Veri̇leri̇n Elde Edi̇lmesi̇unclassified
“…On the other hand, Yazici investigated the exergy performance of the geothermal district heating network in the Afyon province of Turkey, which includes 17 heat exchangers and 13 pumps, renovated from 2011 to 2013 [51]. The study revealed that the exergy destruction was mainly due to the water re-injected in the aquifer and to the losses in the heat exchanger, the pumps, and the pipeline.…”
Section: Exergy Analysis At District or City Scalementioning
confidence: 99%