气-水二相砂介质的饱和度与毛细压力关系研究

Journal of Irrigation and Drainage(2009)

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Abstract
采用一种新的动态测试方法,TDR-张力计-数据采集器联用,动态测定沙柱中气-水二相条件下饱和度与毛细压力(S-p)关系曲线。对各组成仪器的工作原理,以及TDR和张力计的标定方法做了具体介绍,对实验装置的稳定性也进行了专门测试。结果表明,TDR-张力计-数据采集器联用装置可安全准确快速测量出气-水二相条件下饱和度与毛细压力关系的动态变化。
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Key words
TDR-tensiometer-datataker,saturation-capillary pressure relationship,air-water system
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