摘要
超临界二氧化碳具有密度大、黏性小的特征,将其应用于布雷顿循环动力系统中能够使系统结构紧凑、效率高,具有良好的工程应用前景。总结了近年来国内外针对超临界二氧化碳布雷顿循环系统及透平机械的研究进展及相应成果。首先介绍超临界二氧化碳工质的特性及布雷顿循环的优势,其次介绍各研究机构针对超临界二氧化碳布雷顿循环的研究以及已完成的布雷顿循环实验系统。此外,进一步总结了国内外超临界二氧化碳布雷顿循环透平机械即透平和压缩机的设计方法、数值分析及实验研究情况,涵盖了千瓦级至兆瓦级等各种功率等级。为我国超临界二氧化碳布雷顿循环系统及透平机械的研究提供参考。
Supercritical carbon dioxide (SCO2)possesses the merits of high density,low viscosity.Hence,it's promising in the application of Brayton cycle power system,which owns compact system structure and high efficiency.In this paper, both domestic and overseas advances and research achievements of SCO2 Brayton cycle and turbomachinery,i.e. turbine and compressor,in recent years were summarized.The characteristics of SCO2 and the advantages of Brayton cycles were introduced.Then,the study of SCO2 Brayton cycle and testing systems from various research institutions were listed. Besides,the design method,numerical analyses and experimental study of the turbomachinery in the SCO2 Brayton cycle,which contains megawatt and kilowatt turbine and compressor,were covered.Hence,this paper provided the foundation for the study of SCO2 Brayton cycle and turbomachinery in the future.
作者
谢永慧
王雨琦
张荻
施东波
XIE Yonghui;WANG Yuqi;ZHANG Di;SHI Dongbo(School of Energy and Power Engineering,Xi'an Jiaotong University,Xi'an 710049,Shaanxi Province,China)
出处
《中国电机工程学报》
EI
CSCD
北大核心
2018年第24期7276-7286,共11页
Proceedings of the CSEE
关键词
超临界二氧化碳
布雷顿循环
透平
压缩机
supercritical carbon dioxide (SCO2)
Brayton cycle
turbine
compressor
作者简介
谢永慧(1971),男,工学博士,教授,主要从事透平机械强度振动及气动热力学研究,yhxie@mail.xjtu.edu.cn。
