Various thermoeconomic assessments of a heat and power system with a micro gas turbine engine used for industry. (15th January 2022)

• Record Type: Journal Article
• Authors: Balli, Ozgur; Caliskan, Hakan
• Is Part Of: Energy conversion and management. Volume 252(2022)
• Publication Date: 2022-01-15
• Subjects: Economic analysis -- Thermoeconomic analysis -- EXCEM -- SPECO -- Micro gas turbine -- Combined heat and power (CHP); Direct energy conversion -- Periodicals; Energy storage -- Periodicals; Energy transfer -- Periodicals; Énergie -- Conversion directe -- Périodiques; Direct energy conversion; Periodicals; 621.3105
• DOI: 10.1016/j.enconman.2021.114984
• Languages: English
• ISSNs: 0196-8904

Abstract

Highlights: Industrial CHP system driven by a micro gas turbine engine is investigated. Thermoeconomic assessments of the system are done by SPECO and EXCEM methodologies. EXCEM model is modified and applied to the investigated system. Abstract: The natural gas fired combined heat and power system driven by a micro gas turbine engine (M−CHP) of a dairy products company is investigated basing on the actual test data. The system is investigated along with economic analysis and specific cost (SPECO), exergy-cost-energy-mass (EXCEM), modified EXCEM (m-EXCEM) thermoeconomic analyses. The present worth of M−CHP system is estimated to be 241, 190.20 US$. According to SPECO method, the cost formation of waste exergy in the M−CHP system is found as 6.634 US$/h, while the combustion chamber component of the system has the maximum (worst) waste exergy cost rate to be 4.366 GJ/h. According to EXCEM method, the waste exergy cost formation of M−CHP system is determined to be 0.563x10 -6 GJ/hUS$, while it is estimated as 0.078 GJ/US$ with m-EXCEM method. Among the components of the system, the combustion chamber has the worst waste exergy cost rate.