Particle Technology

fluid flow in porous media

Problems 3.8

Question 1.iv


The viscosity of the air was 1.8x10-5 Pa s, using the Kozeny-Carman equation:
Kozeny Carman equation


The specific surface area per unit volume of the powder was (m-1):

  a) 2310
b) 3.0x1011
c) 5.5x105
d) 1.2x106
Note, don't forget that specific surface is squared in the Kozeny Carman equation.

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