Document Type : Original Article
Author
Lecturer at Department of Mechanical Engineering, Ardabil National Skill University.
Abstract
This evaluation presents a new multi-generation system that incorporates a gas turbine, an appropriate transformer, a cogeneration system, and a heat exchanger for generating electricity along with heating and cooling capabilities. A comprehensive analysis of the system's thermodynamic and economic performance has been conducted. The waste heat from the gas turbine is captured and utilized to generate additional electricity within the turbine, while cooling capacity is achieved by recovering heat from the absorption transformer. Among the assessment techniques used, the application of cutting-edge technology enhances cost efficiency, resulting in improved economic effectiveness across various production systems. A sensitivity analysis was also performed to assess how the system responds to different conditions. Additionally, a two-objective genetic optimization algorithm was employed to identify the optimal solutions. The thermodynamic assessment indicates that the proposed system achieves an energy efficiency of 21.29% and an exergy efficiency of 20.68%. The analysis reveals that the system's cooling capacity is 2,746 kW, while the total exergy destruction within the system is 2,409 kW. The system is expected to produce a heating load of 2,921 kW and an output power of 3,874 kW. The economic analysis shows that with a total cost of 93.56 $/s and a combined investment and maintenance cost of 1,732 $/s, the proposed system is highly cost-effective.
Keywords
Main Subjects
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