CIESC Journal ›› 2020, Vol. 71 ›› Issue (12): 5430-5442.DOI: 10.11949/0438-1157.20200453

• Reviews and monographs • Previous Articles     Next Articles

Research progress on leakage characteristics of supercritical CO2 pipeline

GUO Xiaolu1(),YU Jianliang2,YAN Xingqing2,XU Peng1,XU Shuangqing1   

  1. 1.Hefei General Machinery Research Institute Co. , Ltd. , Hefei 230031, Anhui, China
    2.Institute of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China
  • Received:2020-04-29 Revised:2020-08-12 Online:2020-12-05 Published:2020-12-05
  • Contact: GUO Xiaolu

超临界CO2管道泄漏特性研究进展

郭晓璐1(),喻健良2,闫兴清2,徐鹏1,徐双庆1   

  1. 1.合肥通用机械研究院有限公司,安徽 合肥 230031
    2.大连理工大学化工学院,辽宁 大连 116024
  • 通讯作者: 郭晓璐
  • 作者简介:郭晓璐(1985—),男,博士,助理研究员,mukenan1985@163.com
  • 基金资助:
    国家自然科学基金项目(51904084);安徽省自然科学基金项目(1908085QE204);安徽省杰出青年基金项目(1908085J18)

Abstract:

Leakage of supercritical CO2 long-distance pipelines may cause significant accidents such as pipeline fracture propagation, human injury and medium loss. Therefore, it is of great significance to further study the variation of thermodynamic parameters in the process of pipeline leakage. At present, there is insufficient research on the leakage characteristics of supercritical CO2 pipelines, and it is necessary to conduct a detailed literature review and analysis. This paper introduces the research background and significance of CO2 pipeline leakage characteristics. The experimental, theoretical analysis and numerical simulation of the decompression process, near-field jet expansion and far-field diffusion of CO2 pipeline at home and abroad are reviewed in detail. Finally, this paper summarizes the current research deficiencies of supercritical CO2 pipeline leakage characteristics, and prospects the future research direction.

Key words: supercritical carbon dioxide, pipeline, leakage characteristics, numerical simulation, experimental validation, research progress

摘要:

超临界CO2输运管道泄漏可能造成断裂扩展、人员伤害和输运介质损失等重大事故,因此对泄漏过程中热力学参数变化规律的深入研究具有重要意义。目前对超临界CO2管道泄漏特性研究不够,有必要进行详细的文献综述分析。介绍了CO2管道泄漏特性研究背景及意义,综述了国内外CO2管道泄漏过程中减压过程、近场射流膨胀及远场扩散规律实验、理论分析和数值模拟方面的研究现状,分析了目前超临界CO2管道泄漏特性的研究不足,并对将来的研究方向进行了展望。

关键词: 超临界二氧化碳, 管道, 泄漏特性, 数值模拟, 实验验证, 研究进展

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