Industrial Air Quality and Ventilation

159The Aerodynamics of Solid-Particle Jets

© 2010 Taylor & Francis Group, LLC

0

1

51

01

5

51015

N=100

N=10

N=1

N=1

N=10

N=100

I,III

I,III

I,III

I,III

I,III

I,III

II

II

II

II

z = y/b

z = y/b

0.5

1

0

0.5

ζ’/α

ζ/ζ

∞

FIGURE 4.5 Changes in air velocities and ow rates at N ≥ 1 and K = 0: (I) numeri-

cal method; (II) solution without considering air viscosity forces in a stream of material;

(III)approximate solution allowing for viscosity forces.

N=1

N=1

N=0.01

N=0.01

N=0.1

N=0.1

I,II

III

III

III

III

I,III

I

I

I

II

II

II

II

z = y/b

z = y/b

1.510.5

0.5

1

1

0.5

0

1.510.50

ζ/ζ

∞

ζ’/α

FIGURE 4.6 Changes in air velocities and ow rates at N ≤ 1 and K = 1: (I) numerical

method; (II) solution without considering ai ...