Solar-Powered Combined Cooling, Heating, and Power Energy System with Phase-Change Material and Water Electrolysis: Thermo-Economic Assessment and Optimization

Koorosh Aieneh, Sadegh Mehranfar (), Mohammad Yazdi Sotoude, Shayan Sadeghi and Amin Mahmoudzadeh Andwari ()
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Koorosh Aieneh: School of Mechanical Engineering, Iran University of Science and Technology, Tehran 1684613114, Iran
Sadegh Mehranfar: Machine and Vehicle Design (MVD), Materials and Mechanical Engineering, Faculty of Technology, University of Oulu, FI-90014 Oulu, Finland
Mohammad Yazdi Sotoude: School of Mechanical Engineering, Iran University of Science and Technology, Tehran 1684613114, Iran
Shayan Sadeghi: School of Mechanical Engineering, Iran University of Science and Technology, Tehran 1684613114, Iran
Amin Mahmoudzadeh Andwari: Machine and Vehicle Design (MVD), Materials and Mechanical Engineering, Faculty of Technology, University of Oulu, FI-90014 Oulu, Finland

Energies, 2024, vol. 17, issue 13, 1-26

Abstract: A solar-powered combined cooling, heating, and power (CCHP) plant integrated with a water electrolysis unit is investigated in terms of energy, exergy, and exergo-economic (3E) assessments. A comprehensive parametric study and optimization is conducted following the thermodynamic and exergo-economic assessment of the proposed system to evaluate the key performance parameters of the system for efficiency and economic factors. This system employs a heliostat field and a receiver tower by taking advantage of thermal energy from the sun and produces a continuous energy supply with an integrated phase-change material (PCM) tank to store the heat. In addition, a supercritical CO 2 Rankine cycle (RC), an ejector refrigeration cooling (ERC) system, and a PEM water electrolyzer are coupled to produce cooling, heating, power, and hydrogen. Thermodynamic analysis indicates that the system exergy efficiency and energy efficiency are improved to 33.50 % and 40.61 % , respectively, while the total cost rate is 2875.74 U S D / h and the total product cost per exergy unit is 25.65 U S D / G J . Additionally, the system produces a net generated power, heating load, and cooling load of 11.70 , 13.92 , and 2.60 M W , respectively, and a hydrogen production rate of 12.95 g / s . A two-objective optimization approach utilizing a non-dominated sorting genetic algorithm (NSGA) was performed, demonstrating that the system’s ideal design point offers a cost rate of 1263.35 U S D / h and an exergetic efficiency of 34.17 % .

Keywords: solar energy; phase-change material; CCHP; hydrogen production; thermo-economic; multi-objective optimization (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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