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Double U Tube-type Hi-temp & Hi-pressure Liquid Density Sensor
Author(s): 
Pages: 470-473
Year: Issue:  5
Journal: Well Logging Technology

Abstract: 介绍了1种可用于石油井下的双U型振动管式流体密度传感器.该传感器由双U型管及电磁激振装置构成,通过安装基座中的管线使2支U型管形成流体单向通道,电磁激振装置产生电磁力使双U型管产生谐振并维持其振荡.为满足传感器的应用环境要求,U型管采用低温度弹性系数、耐高压、抗腐蚀的合金材料制成,激振装置中的电磁线圈与磁芯均采用高温材料.测试结果表明,该传感器性能指标达到了设计要求,能够满足井下仪器对流体密度测量...
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