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eReference Springer Verlag

Scheme of the penetration model for vacuum contact drying.

Variables

Variable 91 – Shape factor

Shape factors and flattening coefficients

Particle shape

Cf

φ

Material

Spherical

1,25

0,0077

Ceramic

0,0013

Steel

0,0253

Copper

Cylindrical

2,50

?

 

Raschig rings

2,5[1+(di/da²)]

?

 

Irregular (broken)

1,40

0,0010

Sand