A cylindrical rod of radius KR moves axially with velocity v, cavity of radius R. The pressure at both ends of the cavity is the same, so that the fluid moves through the annular region solely because of the rod motion. to along the axis of a cylindrical Cylinder of inside radius R Fluid at modified Fluid at modified pressure P pressure P Rod of radius KR moving with velocity vo L

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
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1.2 Problem 2
A cylindrical rod of radius KR moves axially with velocity v, = v% along the axis of a cylindrical
cavity of radius R. The pressure at both ends of the cavity is the same, so that the fluid moves
through the annular region solely because of the rod motion.
Cylinder of inside
radius R
Fluid at modified
Fluid at modified
pressure Po
pressure Po
Rod of radius KR
moving with velocity vo
1. Find the velocity distribution in the narrow annular region.
2. Find the mass rate of flow through the annular region.
3. Obtain the viscous force acting on the rod over the length L.
Transcribed Image Text:1.2 Problem 2 A cylindrical rod of radius KR moves axially with velocity v, = v% along the axis of a cylindrical cavity of radius R. The pressure at both ends of the cavity is the same, so that the fluid moves through the annular region solely because of the rod motion. Cylinder of inside radius R Fluid at modified Fluid at modified pressure Po pressure Po Rod of radius KR moving with velocity vo 1. Find the velocity distribution in the narrow annular region. 2. Find the mass rate of flow through the annular region. 3. Obtain the viscous force acting on the rod over the length L.
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