Volume 5, Issue 2 (9-2015)                   JEM 2015, 5(2): 62-77 | Back to browse issues page

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ashrafi H, seyedvalilu M H, ranjbar S F. Energy and Exergy Analysis and Parametric Study of Gas Turbine Cycle Waste Heat Recovery in Different Configurations Using an ORC. JEM. 2015; 5 (2) :62-77
URL: http://energy.kashanu.ac.ir/article-1-426-en.html
Department of Mechanical Engineering, Tabriz University
Abstract:   (2803 Views)

Since ordinary gas turbine cycles in actual condition comprise simple cycle, regenerative cycle, reheat cycle and intercooler cycle between high pressure and low pressure compressors, these cycles include 16 combined cycles by combining with a Rankine cycle that consists of three organic fluids and steam. In the present work, the thermodynamic analysis of the above combined cycles with three organic fluids and steam was considered in terms of the first and second laws of thermodynamics, and efficiency curves were compared together. The amount of exergy destruction and exergy efficiency of all cycles computed. Finally the effect of important parameters of the systems on the energy and exergy efficiencies has been shown. Results indicate that toluene fluid has the best efficiency regarding the first and the second law among all considered organic fluids. Results also show that, when the pressure ratio is more than 12, the efficiency of the first and second law of thermodynamics has the highest amount for the combination of reheat gas turbine cycle and Rankine cycle however, it has the lowest amount for the combination of simple gas turbine and Rankine cycle.

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Type of Study: Research | Subject: Mechanical Engineering
Received: 2015/02/10 | Revised: 2021/02/6 | Accepted: 2015/07/12 | Published: 2015/11/10

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