航空发动机气路静电传感器的有限元分析
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摘要
静电传感器是航空发动机气路静电监测技术的关键元件,对航空发动机的新型静电监测技术研究具有重要的现实意义。为此,基于有限元软件ANSYS建立了静电传感器的有限元模型,分析了感应电极半径、绝缘层相对介电常数和绝缘层厚度对电极灵敏度的影响规律。这些影响规律对静电传感器的方案设计具有很好的指导意义。
The electrostatic sensor is an important part of the aero-engine gas electrostatic monitoring technology,which had the practical significance to study the new electro static monitoring technology of aero-engines.So,based on the finite element analysis software or ANSYS,the finite element model of electrostatic sensors were established,it was analyzed that the influence of the radius of the induction,the relative permittivity of the insulation and the thickness of the insulation to the electrode sensitivity.The results had great values for designing project of the electrostatic sensors.
The electrostatic sensor is an important part of the aero-engine gas electrostatic monitoring technology,which had the practical significance to study the new electro static monitoring technology of aero-engines.So,based on the finite element analysis software or ANSYS,the finite element model of electrostatic sensors were established,it was analyzed that the influence of the radius of the induction,the relative permittivity of the insulation and the thickness of the insulation to the electrode sensitivity.The results had great values for designing project of the electrostatic sensors.
引文
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[2]马敏,张钊,侯敏,等.航空发动机气路检测系统静电传感器仿真研究[J].河南科学,2013,31(3):307-313.
[3]范玮,严传俊.燃烧学[M].西安:西北工业大学出版社,2005.
[4]刘伟,黄漫国,刘德峰,等.航空发动机气路碎屑静电监测传感器设计与试验[J].测控技术,2017,36(6):101-105.
[5]殷逸冰,左洪福,冒慧杰,等.发动机气路环形静电传感器的传感性能研究[J].仪表技术与传感器,2017(4):13-19.
[6]李健,许传龙,王式民.矩阵式静电传感器灵敏度特性[J].工程热物理学报,2012,33(12):2008-2011.
[7]周曼曼,左洪福,殷逸冰,等.气路静电传感器信号处理电路设计及仿真分析[J].仪表技术与传感器,2016(8):9-13.
[8]冒慧杰,左洪福,殷逸冰,等.静电传感器对滑油系统磨粒电量测量方法研究[J].仪器仪表学报,2016,37(1):40-47.
[9]张爽.用于一次风煤粉检测的静电传感器性能及结构研究[D].北京:华北电力大学,2016.
[10]文振华,左洪福,王华,等.航空发动机气路静电监测传感器特性[J].传感器与微系统,2008,27(11):28-31.
[11]张红松,胡仁喜,康士廷,等.ANSYS 14.0电磁学有限元分析从入门到精通[M].北京:机械工业出版社,2013.