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(а) Build the four II groups for this problem (let p, µ, and D be the wilds). (b) What is the ratio [ V(model) / V(real) ]?

(а) Build the four II groups for this problem (let p, µ, and D be the wilds). (b) What is the ratio [ V(model) / V(real) ]?

Introduction to Chemical Engineering Thermodynamics
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
Problem 1.1P
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A thin layer of particles rests on the bottom of a horizontal tube. An incompressible fluid flows through the tube. It is observed that, at some critical velocity, the particles will rise and will be transported along the tube. A model is proposed to determine this critical velocity. Assume that the critical velocity is a function of pipe diameter, particle diameter, fluid density, fluid viscosity, particle density, and gravity. Consider a model in which all of the lengths are reduced by one-half and in which the pf (real) is the same as pf (model). 4. V. = f\D,d,,P;,H,P,8) (a) Build the four II groups for this problem (let pf, u, and D be the wilds). (b) What is the ratio [ V(model) / V(real) ]?
Transcribed Image Text:A thin layer of particles rests on the bottom of a horizontal tube. An incompressible fluid flows through the tube. It is observed that, at some critical velocity, the particles will rise and will be transported along the tube. A model is proposed to determine this critical velocity. Assume that the critical velocity is a function of pipe diameter, particle diameter, fluid density, fluid viscosity, particle density, and gravity. Consider a model in which all of the lengths are reduced by one-half and in which the pf (real) is the same as pf (model). 4. V. = f\D,d,,P;,H,P,8) (a) Build the four II groups for this problem (let pf, u, and D be the wilds). (b) What is the ratio [ V(model) / V(real) ]?
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