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Steady-flux measurements of moisture diffusivity in unsaturated porous media
AbstractMeasurements of moisture diffusivity in unsaturated porous media using a steady-flux technique are reported. The method involves measuring the one-dimensional moisture content profile produced in a material specimen by a known steady flux of water flowing through the specimen. Uncertainties in the measured values of moisture diffusivity are analyzed and limitations on the precision of the technique are discussed. The present steady-flux technique permits specimen moisture content gradients to be controlled to a degree that is not possible with transient methods, thereby providing more precise measurements.
Steady-flux measurements of moisture diffusivity in unsaturated porous media
AbstractMeasurements of moisture diffusivity in unsaturated porous media using a steady-flux technique are reported. The method involves measuring the one-dimensional moisture content profile produced in a material specimen by a known steady flux of water flowing through the specimen. Uncertainties in the measured values of moisture diffusivity are analyzed and limitations on the precision of the technique are discussed. The present steady-flux technique permits specimen moisture content gradients to be controlled to a degree that is not possible with transient methods, thereby providing more precise measurements.
Steady-flux measurements of moisture diffusivity in unsaturated porous media
Richards, R.F. (author)
Building and Environment ; 29 ; 531-535
1994-01-01
5 pages
Article (Journal)
Electronic Resource
English
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