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SCO2离心压缩机数值模拟及气动性能研究
发表时间：2019-04-30 浏览量：1791 下载量：155
| 全部作者： | 陈俊君，张师帅，陈文昊 |
| 作者单位： | 华中科技大学能源与动力工程学院 |
| 摘 要： | 超临界二氧化碳（supercritical carbon dioxide，SCO2）离心压缩机具有可靠性高、体积小、质量轻、效率高等优点，被认为是新能源领域最具应用前景的动力设备之一。本文基于一元流动理论，由设计热力参数得到SCO2离心压缩机三维模型，并对压缩机的流场及气动性能进行研究。结果表明，设计得到的SCO2离心压缩机的总压比达到1.72，总－总等熵效率达到92%，满足设计要求。 |
| 关 键 词： | 流体传动与控制；离心压缩机；数值模拟；超临界二氧化碳；气动性能 |
| Title： | Study on numerical simulation and aerodynamic performance of SCO2 centrifugal compressor |
| Author： | CHEN Junjun, ZHANG Shishuai, CHEN Wenhao |
| Organization： | School of Energy and Power Engineering, Huazhong University of Science and Technology |
| Abstract： | Supercritical carbon dioxide (SCO2) centrifugal compressor has the advantages of high reliability, small size, light weight and high efficiency, which is considered as one of the most promising power equipment in the field of new energy. In this paper, based on the univariate flow theory, the three-dimensional model of SCO2 centrifugal compressor is obtained from the design of thermodynamic parameters, and the flow field and aerodynamic performance of the compressor are also studied. The results show that the total pressure ratio of the designed SCO2 centrifugal compressor is 1.72, and the isentropic efficiency of total to total reaches to 92%, so that the design requirements can be met. |
| Key words： | fluid power and control; centrifugal compressor; numerical simulation; supercritical carbon dioxide; aerodynamic performance |
| 发表期数： | 2019年4月第2期 |
| 引用格式： | 陈俊君，张师帅，陈文昊. SCO2离心压缩机数值模拟及气动性能研究[J]. 中国科技论文在线精品论文，2019，12（2）：275-280. |
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