Performance analysis of a geothermal organic rankine cycle (ORC) with two-phase closed thermosyphone
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISME21_693
تاریخ نمایه سازی: 17 آبان 1401
Abstract:
In this paper, an enhanced FORTRAN code was combined with the EES software to develop thermodynamic model and exergy analysis of a twophase closed thermosyphon system to generation electricity in an organic rankine cycle (ORC). Working fluids considered are R۱۳۴a, R۱۲۳, R۲۲, Water, and ammonia. Energy balance is carried out to predictoperating conditions of the process. Output of energy balance are used as input for exergy analysis and components of ORC. We also calculated the extraction rate for different lengths of evaporator heat pipe and different temperatures of the geothermal temperature range of ۵۰-۲۰۰°C. Finally the energy, Exergy distruction ratio and net work output for different working fluids is comparable.
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Authors
Milad Khorami
Student of Mechanical Engineering,Department of Mechanical and Aerospace Engineering, Islamic Azad University, Science and Research Branch, Tehran, Iran
Hossein Shokouhmand
Prof. of Mechanical Engineering, department of Mechanic, University of Tehran, Iran
