Title: Examination and thermodynamic modelling of a geothermal energy power plant for sustainable development: a case study

Authors: Oguzhan Akbay; Fatih Yilmaz

Addresses: Graduate Education Institute, Isparta University of Applied Sciences, Isparta, Turkey ' Department of Mechatronics Engineering, Faculty of Technology, Isparta University of Applied Sciences, Isparta, Turkey

Abstract: The new design article aims to assess the thermodynamic performance modelling of the geothermal power generation plant using real process data. This advised model comprises a steam turbine, high and low-pressure organic rankine cycles, and also these plants are working by n-butane refrigerant. Moreover, with energy and exergy efficiencies, this proposed study is compared with different refrigerants. Looking at the consequences, the ORC-1's energy and exergy efficiencies are 14.49% and 19.03%, while the ORC-2's energetic and exergetic efficiencies are 10.75% and 14.69%, respectively. Analysis results specified that the energy and exergy performances of the investigated power plant are 10.33% and 39.03%, respectively.

Keywords: energy; exergy; geothermal power plant; thermodynamic; organic rankine cycle.

DOI: 10.1504/IJEX.2022.124608

International Journal of Exergy, 2022 Vol.38 No.4, pp.398 - 410

Received: 17 Aug 2021
Accepted: 01 Nov 2021

Published online: 29 Jul 2022 *

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