关于旋进旋涡流量计检定方法的几点探讨.pdfVIP

学兔兔 ResearchDiscussion 关于旋进旋涡流量计楦定方法帕几点振i刁 Discussion on Verification Method of Swirling Flowmeter 支金孝 李鹏涛 康勇 (陕西省计量科学研究院，西安市 710065) Zhi Jinxiao Li Pengtao Kang Yong f Shaanxi Institute of Metrology,Ltd，Xian 7 1 0065) 【摘 要】旋进旋涡流量计属于速度式流量计，根据其结构类型可分为不带流量积算仪的旋进旋涡流量计， 带流量积算仪、无温压补偿的旋进旋涡流量计，带流量积算仪、带温压补偿的旋进旋涡流量计等 三类。针对这三类旋进旋涡流量计有不同的检定方法，特别是又寸带流量积算仪、带温压补偿的高 压旋进旋涡流量计，如果在常压流量标准装置上检定则需要分别对其瞬时工况流量及配套的流量 积算仪、压力传感器、温度传感器进行检定，才能最终判定其计量性能。 【关键词】旋进旋涡流量计 脉)中 仪表系数 瞬时流量 温压补偿 Abstract：Swirling flowmeter is a velocity type flowmeter,according to the structure type can be divided into the swirling flowmer without flow intergration meter,the swirling flowm~r with flow intergration meter and without temperature and pressure compensation，the swirling flowmer with flow intergration meter and with temperature and pressure compensation．For the three kinds of swirling flowmeter，there are different verification methods． Specially,for the the high pressure swirling flowmer with flow intergration meter and with temperature and pressure compensation，if the verification is carried out on the atmospheric flow standard device，it is needed to verify the instantaneous flow on working condition，flow intergration meter,pressure sensor and temperature sensor respectively to determine the measurement perform ance． Key words：Swirling Flowmeter Pulse Meter Coefficient Instantaneous Flow Temperature and Pressure Compensation 引言 计算。 旋进旋涡流量计属于速度式流量计的一种，其 ~(273．15+(ts) )( )