(i) Differentiate between the mass flow and funnel flow patterns of powder flow in a hopper during discharge. A rathole may occur during the discharge of powder from a silo. Illustrate a rathole and explain how it occurs. (ii) (ii) Explain how particle size affects the flowability of powders.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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b)
(1)
Differentiate between the mass flow and funnel flow patterns of powder
flow in a hopper during discharge.
(ii)
A rathole may occur during the discharge of powder from a silo. Illustrate
a rathole and explain how it occurs.
(ii)
Explain how particle size affects the flowability of powders.
Transcribed Image Text:b) (1) Differentiate between the mass flow and funnel flow patterns of powder flow in a hopper during discharge. (ii) A rathole may occur during the discharge of powder from a silo. Illustrate a rathole and explain how it occurs. (ii) Explain how particle size affects the flowability of powders.
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