一种高压孔板气体大流量校准技术研究  

Study of heavy Gas Flow Calibration Technology of High Pressure Orifice Plate

作　　者：王慧龙[1] 孙凤举[1] 张宇 王小三[1] 焦鑫鑫 WANG Hui-long;SUN Feng-ju;ZHANG Yu;WANG Xiao-san;JIAO Xin-xin(Beijing Aerospace Institute tor Metrology and Measurement Technology,Beijing 100076,China;Beijing Institute of Astronautical Systems Engineering,Beijing 100076,China)

机构地区：[1]北京航天计量测试技术研究所,北京100076 [2]北京宇航系统工程研究所,北京100076

出　　处：《宇航计测技术》2018年第4期32-35,59,共5页Journal of Astronautic Metrology and Measurement

摘　　要：建立一种高压孔板气体大流量校准装置,解决了增压输送系统高压孔板流量系数计量难题。该装置可实现最高压力30MPa,最大质量流量18000kg/h(氮气)的气体流量检测,不确定度为0.5%(k=2)。A kind of large gas flow calibration facility of high pressure orifice plate has been developed to calibrate the flow coefficient of high pressure Orifice plates in pressurization system. It can calibrate the gas flow of 30 MPa and the most mass flow of 18000 kg/h（ N_2）,the uncertainty is 0.5%（ k=2）.

关 键 词：增压输送系统 孔板 流量系数 

分 类 号：TB937[一般工业技术—计量学]