Question 2A incompressible fluid of density p is in laminar flow ina plane narrow slit of length L and width W that formedby two flat parallel walls with a distance 2B apart asshown in Figure 1. End effects may be neglectedbecause B << W << L. The fluid flows under theinfluence of both a pressure difference Ap and gravity.Question 2Fluid Inztx)Fluid Out2BFigure 1: Fluid flow in plane narrow slit. Questions;(a) List your postulate and assumption.(b) Establish the following expression (Equation 1) for thesteady-state shear stress distribution and the velocity profile fora Newtonian fluid (of constant viscosity µ) using shell balanceand equation of motion in Appendix 1 (Table B5 and B6).Po - PL0.V_ =(B² – x³ )2 µLEquation 1

Laminar flow in a narrow slit (Momentum balance of the shell ) (a) Postulates and assumption The…

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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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Transcribed Image Text:Questions; (a) List your postulate and assumption. (b) Establish the following expression (Equation 1) for the steady-state shear stress distribution and the velocity profile for a Newtonian fluid (of constant viscosity µ) using shell balance and equation of motion in Appendix 1 (Table B5 and B6). Po - PL 0. V_ = (B² – x³ ) 2 µL Equation 1

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