Energy and Exergy Investigation of a Multigeneration System Based on Solar and Geothermal Energy Sources

Articles in Press

Document Type : Research Paper

Authors

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

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

Abstract

The study involves analyzing the energy and exergy aspects of a newly designed multigeneration system that uses geothermal energy and PVT solar collectors to produce electricity, cooling, heat, hydrogen, and freshwater. This system consists of an organic Rankine cycle, single-effect absorption refrigeration system, heat pump, PEM electrolyzer, and RO desalination unit. The EES software was used to assess energy, exergy, and different parameters. The results show that the system achieves energy and exergy efficiencies of 10.29% and 36.77%, respectively. The system generates a net power output of 2004.86 kW, with the ORC turbine being the primary contributor. Furthermore, the cooling system attains energetic and exergetic COPs of 0.54 and 0.22 based on the given assumptions. The system produces hydrogen at a rate of 796.8 kg/day and freshwater at a rate of 5.52 kg/s. The analysis of exergy destruction rates indicates that the organic Rankine cycle experiences the highest exergy loss.

Keywords

Main Subjects

Hydrogen, Fuel Cell & Energy Storage

Articles in Press, Accepted Manuscript
Available Online from 10 December 2024

Files

Share

How to cite

Statistics