Experimental research progress of supercritical carbon dioxide Brayton cycle compressor

ZHU Yuming; JIANG Yuyan; LIANG Shiqiang; GUO Chaohong; GUO Yongxian; GAO Feng; CAI Haofei

doi:10.19666/j.rlfd.202002046

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Experimental research progress of supercritical carbon dioxide Brayton cycle compressor

更新时间：2025-09-28

- Experimental research progress of supercritical carbon dioxide Brayton cycle compressor
- Thermal Power Generation Vol. 49, Issue 10, Pages: 11-20(2020)
- 作者机构：
  
  1. 中国科学院工程热物理研究所
  2. 中国科学院大学工程科学学院
  3. 衡水中科衡发动力装备有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202002046
  CLC： TK12
- Published Online：15 September 2020，
  
  Published：2020
- 稿件说明：
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ZHU Yuming, JIANG Yuyan, LIANG Shiqiang, et al. Experimental research progress of supercritical carbon dioxide Brayton cycle compressor[J]. Thermal power generation, 2020, 49(10): 11-20.
DOI：

ZHU Yuming, JIANG Yuyan, LIANG Shiqiang, et al. Experimental research progress of supercritical carbon dioxide Brayton cycle compressor[J]. Thermal power generation, 2020, 49(10): 11-20. DOI： 10.19666/j.rlfd.202002046.

摘要

压缩机是超临界二氧化碳(S-CO_2)布雷顿发电循环(闭式循环)的核心部件。本文总结了国内外S-CO_2压缩机实验研究进展

包括主要测试平台及最新实验测试结果

重点关注不同功率等级的S-CO_2离心压缩机所采用的技术路线

从结构设计、气动性能以及相关运行测试问题等方面

对现有S-CO_2离心式压缩机实验研究中存在的共性与特殊性问题进行了总结与分析。此外

中国科学院工程热物理研究所完成了国内首次MW级S-CO_2闭式循环离心式压缩机多进口工况全载实验

最高实验转速32 000 r/min

质量流量约13 kg/s

总压比接近2.0

等熵效率82%。本文对该实验测试平台及相关实验研究进展进行了详细介绍。

Abstract

Compressor is the core part of supercritical carbon dioxide(S-CO_2) Brayton power generation cycle(closed cycle). This paper summarizes the experimental research progress of S-CO_2 compressor at home and abroad

including the main test platform and the latest experimental test results. It focuses on the technical routes adopted by different power levels of supercritical S-CO_2 centrifugal compressor. The commonness and particularity existing in the experimental research of supercritical S-CO_2 centrifugal compressor are summarized and analyzed

from the aspects of structural design

aerodynamic performance and related operation test issues. In addition

the Institute of Engineering Thermophysics

Chinese Academy of Sciences has completed the first full-load test of MW-level supercritical S-CO_2 closed cycle centrifugal compressor under multiple inlet conditions

with the maximum experimental speed of 32 000 r/min

mass flow rate of about 13 kg/s

total pressure ratio of close to 2.0

isentropic efficiency of 82%

and many test indexes reaching or exceeding the highest experimental results reported in the world. This paper introduces the experimental test platform and related facts of the experimental research in detail.

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