| dc.creator |
ALTINKAYNAK, Mehmet; TEKNOLOJİ FAKÜLTESİ |
|
| dc.creator |
ÇELİK, Doğancan; TEKNOLOJİ FAKÜLTESİ |
|
| dc.date |
2021-06-20T00:00:00Z |
|
| dc.date.accessioned |
2021-12-03T11:45:41Z |
|
| dc.date.available |
2021-12-03T11:45:41Z |
|
| dc.identifier |
https://dergipark.org.tr/tr/pub/jesd/issue/62893/717416 |
|
| dc.identifier |
10.21923/jesd.717416 |
|
| dc.identifier.uri |
http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/93708 |
|
| dc.description |
Düşük sıcaklığa sahip bir jeotermal kuyu destekli bir ORC çevrimi incelenmiş ve çalışma akışkanı olarak n-pentane seçilmiştir. N-pentane akışkanının kazanda direkt olarak ısıtılması işlemi için Terminol 72 ısı transfer yağı seçilmiştir. Yağ kazanda ısıtılmadan önce, jeotermal kuyudan alınan düşük kaynak ısısı ile ön ısıtılmaya tutulmuştur. Jeotermal kuyu sıcaklığı 80℃ olan bir kuyu kaynağına Terminol 72 ısı transfer yağı ile sıcaklık artışı sağlanarak bir ORC çevrimi incelenmiştir. Bu çevrimde türbin sıcaklığı 170℃’ye kadar çıkarılmaya çalışılmıştır. Yağ kazanı kapasitesi 4000 kW alınarak, güç üretimi 806.2 kW olarak hesaplanmıştır. N-pentane akışkanın 1000 kPa basınçta türbin girişinde sistem verimi %14 iken buna bağlı olarak sistemin ekserji verimi de aynı basınçta %34 olduğu hesaplamalarda bulunmuştur. Sistemin toplam ekserji yıkımları incelendiğinde kazanda %74, türbinde %16, ısı değiştiricilerinde %9 Terminol ve n- pentane pompasında %1 olarak bulunmuştur. Bu çalışmada düşük sıcaklığa sahip jeotermal kuyuların enerji verimlerinde ısı ön ısıtma işlemiyle veriminde artış olacağı gösterilmiştir. |
|
| dc.description |
An ORC cycle with a low temperature geothermal well support was examined and n-pentane was chosen as the working fluid. Therminol 72 heat transfer oil was chosen for the direct heating of the N-pentane fluid in the boiler. Before the oil was heated in the boiler, it was preheated with low source heat taken from the geothermal well. An ORC cycle was examined by providing a temperature increase with Therminol 72 heat transfer oil to a well source with a geothermal well temperature of 80 ℃. In this cycle, the turbine temperature was tried to be increased up to 170 ℃. By taking the oil boiler capacity 4000 kW, power generation is calculated as 806.2 kW. While the system efficiency of N-pentane fluid at turbine inlet at 1000 kPa pressure is 14%, the exergy efficiency of the system is 34% at the same pressure. When the total exergy destructions of the system were examined, it was found as 74% in the boiler, 16% in the turbine, 9% in the heat exchangers and 1% in the n-pentane pump. In this study, it has been shown that the energy efficiency of low temperature geothermal wells will increase with the heat preheating process. |
|
| dc.format |
application/pdf |
|
| dc.language |
tr |
|
| dc.publisher |
Süleyman Demirel Üniversitesi |
|
| dc.publisher |
Süleyman Demirel University |
|
| dc.relation |
https://dergipark.org.tr/tr/download/article-file/1044607 |
|
| dc.source |
Volume: 9, Issue: 2
574-587 |
en-US |
| dc.source |
1308-6693 |
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| dc.source |
Mühendislik Bilimleri ve Tasarım Dergisi |
|
| dc.subject |
jeotermal enerji,enerji,ekserji,n-pentane,Terminol 72 |
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| dc.subject |
Geothermal Energy,Energy,Exergy,n-pentane |
|
| dc.title |
DÜŞÜK SICAKLIĞA SAHİP JEOTERMAL KUYULARDA GÜÇ ÜRETİMİ EKSERJETİK PERFORMANS ANALİZİ |
tr-TR |
| dc.title |
POWER GENERATİON EXERGETIC PERFORMANCE ANALYSIS IN GEOTHERMAL WELLS WITH LOW TEMPERATURE |
en-US |
| dc.type |
info:eu-repo/semantics/article |
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