Year 2020, Volume 40 , Issue 2, Pages 335 - 347 2020-10-31

THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE
JEOTERMAL ENERJİ KAYNAKLI KALİNA ÇEVRİMİNİN TERMODİNAMİK VE EKONOMİK ANALİZİ

Merve SENTURK [1]


In this study, thermodynamic and economic analysis have been carried out to the determination of optimum design parameters of Kalina Cycle. The optimization of four key parameters (turbine inlet pressure, geothermal water outlet temperature at evaporator, condenser pressure and ammonia mass fraction) is also conducted. The thermodynamic properties of the medium temperature geothermal resource in the Simav region are used in the system designs. The energy efficiency and exergy efficiency of the system are evaluated through the thermodynamic analysis. Also, the system has been investigated economically with the net present value method. As a result of the exergy analysis, it is determined that the maximum exergy destruction occurs in the evaporator within the total exergy destruction of the system. In the system design with 90 % ammonia mass fraction, the exergy destruction in the evaporator constitutes 66.5 % of the total exergy destruction in the system. The geothermal water outlet temperature at evaporator, ammonia mass fraction, turbine inlet pressure and condenser pressure of the most effective geothermal energy powered Kalina Cycle are determined as 353.15 K, 90 %, 4808 kPa and 700 kPa, respectively. The energy efficiency and exergy efficiency of this system are calculated as 13.04 % and 51.81 %, respectively. Also, the net present value of this system is calculated as 119.377 Million US$ and it is seen that it is suitable for investment in economic terms.
Bu çalışmada, jeotermal enerjiyle çalışan Kalina Çevrimi’nin optimum tasarım parametrelerinin belirlenmesi için termodinamik ve ekonomik analizler yapılmıştır. Türbin giriş basıncı, evaporatördeki jeotermal akışkan çıkış sıcaklığı, kondanser basıncı ve amonyak kütle oranı sistemin değişken parametreleridir. Simav bölgesindeki orta sıcaklıklı jeotermal kaynağın termodinamik özellikleri sistem tasarımlarında kullanılmıştır. Sistemin enerji ve ekserji verimleri termodinamik analizler ile değerlendirilmiştir. Ayrıca, sistem net bugünkü değer yöntemi ile ekonomik olarak incelenmiştir. Ekserji analizi sonucunda, sistemin toplam ekserji yıkımı içerisinde maksimum ekserji yıkımının evaporatörde meydana geldiği tespit edilmiştir. Kütlece % 90 amonyak bileşenli sistem tasarımında, evaporatördeki ekserji yıkımı, sistemdeki toplam ekserji yıkımının % 66.5’ini oluşturmaktadır.Ekserji analizleri sonucunde en yüksek ekserji yıkımının evaporatörde oluştuğu ve % 90 amonyak bileşenli sistem tasarımında, evaporatördeki ekserji yıkımı, toplam sistemdeki ekserji yıkımının % 66.5’ini oluşturmaktadır. En etkin sistem tasarımının enerji verimliliği ve ekserji verimliliği sırasıyla % 13.04 ve % 51.81 olarak belirlenmiştir. Optimum sisteme ait evaporatördeki jeotermal su çıkış sıcaklığı, amonyak kütle oranı, türbin giriş basıncı ve kondenser basıncı sırasıyla 353.15 K, % 90, 4808 kPa ve 700 kPa olarak belirlenmiştir. Bu sisteme ait enerji verimliliği ve ekserji verimliliği sırasıyla % 13.04 ve % 51.81 olarak belirlenmiştir. Ayrıca bu sistemin net bugünkü değeri 119.377 Milyon ABD$ olarak hesaplanmış ve ekonomik açıdan yatırıma uygun olduğu görülmüştür.
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Primary Language en
Subjects Engineering, Mechanical
Journal Section Research Article
Authors

Orcid: 0000-0003-1442-4560
Author: Merve SENTURK
Institution: BILECIK SEYH EDEBALI UNIVERSITY
Country: Turkey


Dates

Publication Date : October 31, 2020

Bibtex @research article { isibted817063, journal = {Isı Bilimi ve Tekniği Dergisi}, issn = {1300-3615}, address = {}, publisher = {Türk Isı Bilimi ve Tekniği Derneği}, year = {2020}, volume = {40}, pages = {335 - 347}, doi = {10.47480/isibted.817063}, title = {THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE}, key = {cite}, author = {Senturk, Merve} }
APA Senturk, M . (2020). THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE . Isı Bilimi ve Tekniği Dergisi , 40 (2) , 335-347 . DOI: 10.47480/isibted.817063
MLA Senturk, M . "THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE" . Isı Bilimi ve Tekniği Dergisi 40 (2020 ): 335-347 <https://dergipark.org.tr/en/pub/isibted/issue/57550/817063>
Chicago Senturk, M . "THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE". Isı Bilimi ve Tekniği Dergisi 40 (2020 ): 335-347
RIS TY - JOUR T1 - THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE AU - Merve Senturk Y1 - 2020 PY - 2020 N1 - doi: 10.47480/isibted.817063 DO - 10.47480/isibted.817063 T2 - Isı Bilimi ve Tekniği Dergisi JF - Journal JO - JOR SP - 335 EP - 347 VL - 40 IS - 2 SN - 1300-3615- M3 - doi: 10.47480/isibted.817063 UR - https://doi.org/10.47480/isibted.817063 Y2 - 2020 ER -
EndNote %0 Isı Bilimi ve Tekniği Dergisi THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE %A Merve Senturk %T THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE %D 2020 %J Isı Bilimi ve Tekniği Dergisi %P 1300-3615- %V 40 %N 2 %R doi: 10.47480/isibted.817063 %U 10.47480/isibted.817063
ISNAD Senturk, Merve . "THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE". Isı Bilimi ve Tekniği Dergisi 40 / 2 (October 2020): 335-347 . https://doi.org/10.47480/isibted.817063
AMA Senturk M . THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE. Isı Bilimi ve Tekniği Dergisi. 2020; 40(2): 335-347.
Vancouver Senturk M . THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE. Isı Bilimi ve Tekniği Dergisi. 2020; 40(2): 335-347.
IEEE M. Senturk , "THERMODYNAMIC AND ECONOMIC ANALYSIS OF GEOTHERMAL ENERGY POWERED KALINA CYCLE", Isı Bilimi ve Tekniği Dergisi, vol. 40, no. 2, pp. 335-347, Oct. 2020, doi:10.47480/isibted.817063