Optimization of supercritical nuclear power system based on sodium cooled fast reactor

3rd International Conference on Energy Engineering and Environmental Protection

能源学;生态环境科学

Zhao, Zhenxing^1 ; Liao, Mengran^1 ; Wei, Wei^1 ; Wu, Jun^1 ; Wang, Wei^1

Science and Technology on Thermal Energy and Power Laboratory, Wuhan 2nd Ship Design and Research Institute, Wuhan

430205, China^1

关键词: Constant temperature;    Cycle efficiency;    Nuclear power system;    Operating parameters;    Recompression cycles;    Supercritical carbon dioxides;    Supercritical cycles;    Transcritical cycle;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/227/2/022016/pdf
DOI  :  10.1088/1755-1315/227/2/022016

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

By modeling the supercritical carbon dioxide Brayton recompression cycle on sodium-cooled fast reactor, the effects of parameters on cycle characters were studied. The high-efficiency and wide-range Brayton cycle was optimized. The results show that the assumptions of constant temperature or constant power cannot reflect the real efficiency variation of S-CO2 Brayton cycle. The supercritical cycle and the transcritical cycle have different requirements for operating parameters. The downward turning point of the turbine output power corresponds to the peak of cycle efficiency for S-CO2 Br ayton cycle. The different split rates are corresponding to different optimal mass flow rates.