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Method and apparatus for the automatic determination of the permeability of an object made of porous material with different alternating porosity level
Method and apparatus for the automatic determination of the permeability of an object made of porous material with different alternating porosity level
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机译:自动确定具有不同交替孔隙度的多孔材料制成的物体的渗透率的方法和装置
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摘要
The invention concerns a method using a permeameter comprising a measuring head (2) opposite which the sheet or strip (1) is displaced step by step. It comprises a registration including the determination of the permeability profile of the strip (1) over a period T including two different successive permeability ranges, determination of a sinusoid from said profile, then of two extrema of said sinusoid, centering the measuring head (2) on the second extremum, and moving the strip step by step by T/2 with, at each step, a permeability measurement.
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