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Method of directly measuring the permittivity of geotextile and biotextile fabrics
Method of directly measuring the permittivity of geotextile and biotextile fabrics
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机译：直接测量土工织物和生物织物的介电常数的方法
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摘要
A method of measuring the permittivity of porous media by passing a fluid from a chamber with a decreasing volume to a chamber with an increasing volume through the media. The volume of the cylindrical chambers is controlled by pistons with coaxial piston rods connected externally and driven by an electric motor, determining the fluid flow through the porous media while transducers in each chamber measure the pressure difference across the porous media. In addition means are provided to observe the fluid flow though the porous media using a video camera.
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