THERMAL SCIENCE

International Scientific Journal

Shucheng Wang

,

Pengcheng Wei

,

Sajid Sajid

,

Lei Qi

,

Mei Qin

ASSESSMENT OF AN INTEGRATED SOLAR COMBINED CYCLE SYSTEM BASED ON CONVENTIONAL AND ADVANCED EXERGETIC METHODS

ABSTRACT
An integrated solar combined cycle system based on parabolic trough solar collector and combined cycle power plant is proposed. The advanced system is socio-economic significance compared to traditional combined cycle power system. Plainly, the exergetic analyses (exergy destruction and efficiency) via conventional and advanced methods are used for thermodynamic properties of the integrated solar combined cycle system components. In addition, the exergy destruction is divided into endogenous, exogenous, avoidable, and unavoidable. The results show that the combustion chamber has the largest fuel exergy and the highest endogenous exergy destruction rate of 1001.60 MW and 213.87 MW, respectively. Additionally, the combustion chamber has the highest exergy destruction rate of 235.60 MW (60.29%), followed by the parabolic trough solar collector of 54.20 MW (13.87%). For overall system, the endogenous exergy destruction rate of 320.83 MW (82.10%) and exogenous exergy destruction rate of 69.97 MW (17.90%) are resulted via the advanced exergy analysis method. Besides, Several methods to reduce the exergy destruction and improve the components’ efficiency are put forward.
KEYWORDS
combined cycle power plant, advanced exergetic analysis, exergy destruction, exergy efficiency
PAPER SUBMITTED: 2021-08-25
PAPER REVISED: 2021-09-29
PAPER ACCEPTED: 2021-10-18
PUBLISHED ONLINE: 2021-11-06
DOI REFERENCE: https://doi.org/10.2298/TSCI210825325W
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2022, VOLUME 26, ISSUE Issue 5, PAGES [3923 - 3937]
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Assessment of an integrated solar combined cycle system based on conventional and advanced exergetic methods

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence