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With developments in recent years, solar thermal energy conversion systems have become mature technologies with new technologies. In this book chapter, a new concept of the solar energy-based integrated model is designed and developed for power, hot water, and cooling production in a sustainable way. The thermodynamic performance analyses—energetic and exergetic efficiency methods—are applied to determine the cycle’s efficiency. This book chapter embraces a parabolic solar dish collector, a supercritical CO2-based Brayton cycle, a steam Rankine cycle, an organic Rankine cycle, and an ejector cooling system. Based on the analysis findings, the developed plant can generate 439.1 kW of clean power and 697 kW of heating. Total system irreversibility is computed as 6508 kW, a collector system with a maximum irreversibility rate among the system components. Finally, the developed plant had 32.79% energy efficiency and 19.73% exergy efficiency.

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A Conceptual Power, Heating, and Cooling Trigeneration System Based on Solar Parabolic Dish Collector with Supercritical CO2 Brayton Cycle: Energy and Exergy Assessment

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  • 发表日期：

    2026年

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  • Fatih Yılmaz,
  • Murat Öztürk,
  • Reşat Selbaş

摘要

With developments in recent years, solar thermal energy conversion systems have become mature technologies with new technologies. In this book chapter, a new concept of the solar energy-based integrated model is designed and developed for power, hot water, and cooling production in a sustainable way. The thermodynamic performance analyses—energetic and exergetic efficiency methods—are applied to determine the cycle’s efficiency. This book chapter embraces a parabolic solar dish collector, a supercritical CO2-based Brayton cycle, a steam Rankine cycle, an organic Rankine cycle, and an ejector cooling system. Based on the analysis findings, the developed plant can generate 439.1 kW of clean power and 697 kW of heating. Total system irreversibility is computed as 6508 kW, a collector system with a maximum irreversibility rate among the system components. Finally, the developed plant had 32.79% energy efficiency and 19.73% exergy efficiency.