Analyses and assessments of a direct steam generation PTC-based solar power plant with two approaches of exergy and emergy
by Mohsen Yazdi; Mohammad Hasan Khoshgoftar Manesh; Saeed Kabiri
International Journal of Exergy (IJEX), Vol. 38, No. 1, 2022

Abstract: The present study focuses on the energy, exergy, exergoeconomic, exergoenvironmental, emergoeconomic and emergoenvironmental analyses, besides enhanced exergy analysis, for a solar thermal power plant with direct steam generation. Results show that the overall emergoeconomic factor of the DSG solar power plant is 85.34%, and its total emergoenvironmental factor is 85.56%. Enhanced exergy analysis reveals that the avoidable percentage of the emergoenvironmental rate allocated to exergy destruction of the solar field, low-pressure turbine, and high-pressure turbine is 10%, 42%, and 34%, respectively. These values are equal to 11%, 45%, and 38%, respectively.

Online publication date: Tue, 19-Apr-2022

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