What question did this study set out to answer?

The study aims to optimize thermal economic performance in various supercritical CO2 recompression Brayton combined cycles using decision variable analysis.

May 24, 2026Journal of Thermal Science and Engineering Applications

Comparative Study and Optimization of Thermal Economic Performance in Different Supercritical CO2 Recompression-Brayton Combined Cycle Systems

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Authors

TYTingfang YuEducation Department of Jiangxi Province WWW L WangJiangnan University MWMingzhu WangNanchang University

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Implication

Randomized trial examines thermal performance in supercritical CO2 combined cycle systems, indicating optimization methods for efficiency and cost.

Key Points

The study aims to optimize thermal economic performance in various supercritical CO2 recompression Brayton combined cycles using decision variable analysis.
Developed steady-state mathematical models for SCRBC/ORC, SCRBC/tCO2, and SCRBC/OFC cycles.
Conducted parametric analysis with three top-cycle turbine inlet temperatures: 500°C, 550°C, and 600°C.
Performed multi-objective optimization studies for each combined cycle system.
At T5=550°C, the SCRBC/tCO2 system shows the highest cycle efficiency, boosting by 1.2% and 2.1% versus SCRBC/ORC and SCRBC/OFC.
Total product unit cost in SCRBC/tCO2 decreases by 0.37% and 1.37% compared to SCRBC/ORC and SCRBC/OFC respectively.
The same efficiency and cost-effectiveness trends are consistent at turbine inlet temperatures of 500°C and 600°C.

Cite This Study

Yu et al. (2026) studied this question.

synapsesocial.com/papers/6a1295bf48a0ea166567200a https://doi.org/10.1115/1.4072007

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Implication

Randomized trial examines thermal performance in supercritical CO2 combined cycle systems, indicating optimization methods for efficiency and cost.

Comparative Study and Optimization of Thermal Economic Performance in Different Supercritical CO2 Recompression-Brayton Combined Cycle Systems

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Implication

Key Points

Cite This Study

Comparative Study and Optimization of Thermal Economic Performance in Different Supercritical CO2 Recompression-Brayton Combined Cycle Systems

Discussion

Member takes

Implication

Key Points

Cite This Study

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