轴流透平运行间隙变化研究进展综述  

Review on Research Progress of Turbine Operating Clearance Variation

作　　者：潘现超 朱阳历[1] 王星[1] 熊军 李文[1] 陈海生[1,2] PAN Xianchao;ZHU Yangli;WANG Xing;XIONG Jun;LI Wen;CHEN Haisheng(Institute of Engineering Thermophysics,Chinese Academy of Sciences,Beijing 100191,China;Nanjing Institute of Future Energy System,Institute of Engineering Thermophysics,Chinese Academy of Sciences,Nanjing 211135,China;School of Nanjing,University of Chinese Academy of Sciences,Nanjing 211135,China)

机构地区：[1]中国科学院工程热物理研究所,北京100191 [2]中国科学院工程热物理研究所南京未来能源系统研究院,南京211135 [3]中国科学院大学南京学院,南京211135

出　　处：《工程热物理学报》2024年第11期3291-3308,共18页Journal of Engineering Thermophysics

基　　金：国家科技重大专项(No.J2019-II-0008-0028);黔科合支撑(No.[2020]2Y064);内蒙古重大专项(No.2021ZD0030)。

摘　　要：透平是工业领域重要的动力设备之一,具有结构及装配尺寸精度高、工作条件复杂、性能及可靠性要求高等特点。受离心力、热膨胀、压差力、振动等因素影响,透平运行间隙会发生变化,显著影响其性能及运行安全性。本文首先介绍了透平内部的主要间隙结构及其特征,其次重点分析了间隙变化对性能的影响,然后对间隙控制方法进行了总结,最后讨论了运行间隙变化研究中存在的关键问题并对未来发展方向进行展望,以期为后续相关研究提供参考.Turbine is a significant power equipment in the industrial field,which has the characteristics of high structural and assembly dimensional accuracy,complex working conditions,and high performance and reliability requirements.Affected by centrifugal force,thermal expansion,differential pressure,vibration,and other factors,the operating clearance often changes,which significantly affects turbine performance and operational safety.Firstly,this paper introduces the main internal clearance structure and its characteristics.Secondly,the influence of clearance change on turbine performance is further analyzed.Besides,the paper summarizes the clearance control technology.Finally,the key issues and future development direction in the research of operating clearance variation are discussed,in order to provide reference for subsequent research.

关 键 词：运行过程 间隙变化 透平性能 间隙控制方法 间隙测量技术 

分 类 号：TK14[动力工程及工程热物理—热能工程]