The effect of using ETC collector on increasing the geothermal fluid temperature in a multigeneration system

Articles in Press

Document Type : Research Paper

Authors

1 Department of Mechanical Engineering, Engineering Faculty, Urmia University, Urmia, Iran

2 Mechanical Engineering Department, Faculty of Engineering, Urmia University, Urmia, Iran

10.22104/hfe.2025.7456.1346

Abstract

In this research, a multigeneration system is presented based on geothermal and solar energies. An ETC collector is utilized to elevate the temperature of the geothermal fluid. Various subsystems, including the ORC cycle for power generation, double effect absorption refrigeration system for cooling production, domestic water heater for hot water production, PEM electrolyzer for hydrogen production, and RO desalination unit for freshwater production have been examined. The findings indicate that as the total energy of the collector increases, both the outlet temperature of the collector and the power generation rate of the system will also rise. A rise in the outlet temperature of the collector will lead to increased production rates of hydrogen and freshwater. Additionally, heightened solar intensity enhances both the energy and exergy outputs of the collector. Ultimately, it has been discovered that among the five different working fluids, R600 demonstrates the most favorable performance concerning hydrogen and freshwater production rates.

Keywords

Main Subjects

Hydrogen, Fuel Cell & Energy Storage

Articles in Press, Accepted Manuscript
Available Online from 08 December 2025

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