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The permeability is to be determined using airflow through a core radius - 1 cm2 and a length of 5 cm. if the difference in pressure between two faces is 1 atm and the pressure at the entrance is 2 atm. If the air viscosity is 0.0002 poise and Q at the outer face is 12 cm/s, estimate k. (1 poise 101 pa.s)

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dP PI peyneability A Cxss Sectia al ana H - dynamic viscosity mistare 二尤) viscosity tauy μ 0.0002 Poise disdaee Lctma 101325 pascals

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