Question

What is the relationship between sphericity and voidage?

(a) Sphericity=(6(1-voidage))/(a*dp)

(b) Voidage=(6(1-sphericity))/(a*dp)

(c) Sphericity=(6*voidage)/(a*dp)

(d) Voidage=(6*sphericity)/(a*dp)

I had been asked this question at a job interview.

My question is from Fixed Bed topic in chapter Fluidization and Mapping of Regimes of Fluidization Engineering

Answer 1

The correct answer is (a) Sphericity=(6(1-voidage))/(a*dp)

Explanation: From the literature and formula derivation, the relation has been developed.