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一种改进的脉冲电导测湿传感器
An Improved Electric Conductance Transducer for Measuring the Local Moisture Content of Unsaturated Wet Porous Media
【摘要】 一种改进的脉冲电导测湿传感器陈永平冯修功施明恒金峰(东南大学动力工程系,南京210018)现有多孔质含湿量的测量方法中最简单的为烘干称重法,其它还有原子核法、中子法、γ射线法、张力计法、湿度计法[1~5]等.但上述方法要么测量精度太差,无法满足实际...
【Abstract】 An improved electric conductance transducer for measuring the local moisture content of unsaturated wet porous media is studied and produced. The calibration of the moisture transducer is provided. The test result indicates that this tranducer can improve the stablity and accuracy.
【关键词】 pulse circuits;
electric conductance;
porous media;
heat and mass transfer;
measurement of local moisture content;
transducer;
【Key words】 pulse circuits; electric conductance; porous media; heat and mass transfer; measurement of local moisture content; transducer;
【Key words】 pulse circuits; electric conductance; porous media; heat and mass transfer; measurement of local moisture content; transducer;
【基金】 国家自然科学基金
- 【文献出处】 东南大学学报 ,Journal of Southeast University , 编辑部邮箱 ,1997年03期
- 【分类号】TP212
- 【被引频次】9
- 【下载频次】94