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Appendix E


Calculating minimum fluidising velocity

Details of notations on page 51
Assuming Reynolds number < 1

(E-1)
g= 9.81 m/s2

= 1602 kg/m3

= 998 kg/m3

= 0.447

= 0.83 or 0.6

= 0.001 Pa*s



Dp = Up to 0.5 mm for silica sand
If surface-volume ratio is 0.83, then:


If surface-volume ratio is 0.6:





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