Volume 17, Issue 12 (2-2018)
Modares Mechanical Engineering 2018, 17(12): 361-372 |
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barootkoob H, hanifi Miangafsheh K, yari M. A novel design and analysis of organic Rankine cycle using gas turbine prime mover Case study: Nar-Kangan (south of Iran). Modares Mechanical Engineering 2018; 17 (12) :361-372
URL: http://mme.modares.ac.ir/article-15-7049-en.html
URL: http://mme.modares.ac.ir/article-15-7049-en.html
1- Department of Mechanical Engineering, Lashtenesha-Zibakenar Branch, Islamic Azad University, Lashtenesha, Iran
2- Department of Mechanical Engineering, Tabriz University, Tabriz, Iran
2- Department of Mechanical Engineering, Tabriz University, Tabriz, Iran
Abstract: (3509 Views)
In this paper, the performance of a new design cogeneration cycle with various working fluids is investigated. Exergoeconomic and exergoenvironmental approach are developed to study the thermodynamic performance of the cycle and to assess the total cost of products. The naval design is based on organic Rankine cycle by using the gas turbine prime mover for fulfilling of the main goals of gas comperessor station of Nar-Kangan zone (South of Iran). These goals as follows: production of electricity and refrigeration power (cooling requirement) and total cost of products. According to recent parametric studies, boiler, turbine and condensation temperature and turbine inlet pressure significantly affect the three goals. The results show that dichlorotrifluoroethane (R-123) and toluene have a better performance in producing electricity (1.612MW) and refrigeration power (6.282MW) among other working fluids, while, the carbon dioxide has a better operation to reduce of products cost (103.5$/MJ). So, when the condensation temperature increases the refrigeration power decreases and boiler inlet temperature increases, the refrigeration power decreases. The results reveal that the refrigeration power decreases as the turbine temperatures and pressure increase and condensation temperature decreases; however, there is an optimum turbine inlet pressure (12MPa) in the carbon dioxide cycle for a minimum cost of products. The combustion chamber and boiler have a maximum destruction exergy rate for irreversibility and temperature difference among of system components
Article Type: Research Article |
Subject:
Thermodynamics
Received: 2017/09/2 | Accepted: 2017/11/8 | Published: 2017/12/15
Received: 2017/09/2 | Accepted: 2017/11/8 | Published: 2017/12/15
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