The thermodynamic performance of the combustion gas turbine trigeneration system has been studied based on first law as well as second law analysis. The effects of overall pressure ratio and process heat pressure on fuel utilization efficiency, electrical to thermal energy ratio, second law efficiency, and exergy destruction in each component are examined. Results for gas turbine cycle, cogeneration cycle, and trigeneration cycle are compared. Thermodynamic analysis indicates that maximum exergy is destroyed during the combustion and steam generation process, which represents over 80% of the total exergy destruction in the overall system. The first law efficiency, electrical to thermal energy ratio, and second law efficiency of trigeneration system, cogeneration system, and gas turbine cycle significantly varies with the change in overall pressure ratio but the change in process heat pressure shows small variations in these parameters. Results clearly show that performance evaluation of the trigeneration system based on first law analysis alone is not adequate and hence more meaningful evaluation must include second law analysis.
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March 2008
Technical Briefs
Thermodynamic Performance Assessment of Gas Turbine Trigeneration System for Combined Heat Cold and Power Production
Abdul Khaliq,
Abdul Khaliq
Department of Mechanical Engineering, Faculty of Engineering and Technology,
e-mail: abḏkhaliq2001@yahoo.co.in
Jamia Millia Islamia
, New Delhi 110025, India
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Rajesh Kumar
Rajesh Kumar
Mechanical and Automation Engineering Department, Amity School of Engineering and Technology,
GGSIPU
, New Delhi 110061, India
Search for other works by this author on:
Abdul Khaliq
Department of Mechanical Engineering, Faculty of Engineering and Technology,
Jamia Millia Islamia
, New Delhi 110025, Indiae-mail: abḏkhaliq2001@yahoo.co.in
Rajesh Kumar
Mechanical and Automation Engineering Department, Amity School of Engineering and Technology,
GGSIPU
, New Delhi 110061, IndiaJ. Eng. Gas Turbines Power. Mar 2008, 130(2): 024501 (4 pages)
Published Online: February 29, 2008
Article history
Received:
December 4, 2006
Revised:
May 21, 2007
Published:
February 29, 2008
Citation
Khaliq, A., and Kumar, R. (February 29, 2008). "Thermodynamic Performance Assessment of Gas Turbine Trigeneration System for Combined Heat Cold and Power Production." ASME. J. Eng. Gas Turbines Power. March 2008; 130(2): 024501. https://doi.org/10.1115/1.2771565
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