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Heat is transferred from condensing steam to a vertical surface and the resistance to heat transfer is attributable to the thermal resistance of the condensate layer on the surface. For a film of liquid flowing down a vertical surface, the variables influencing the film thickness, include: viscosity of the liquid (water), density of the liquid, the volumetric flowrate per unit width of surface and the acceleration due to gravity. Obtain the relevant dimensionless groups. For streamline it is found that the film thickness is proportional to the one third power of the volumetric flowrate per unit width. Calculate the percent

Heat is transferred from condensing steam to a vertical surface and the resistance to heat transfer is attributable to the thermal resistance of the condensate layer on the surface. For a film of liquid flowing down a vertical surface, the variables influencing the film thickness, include: viscosity of the liquid (water), density of the liquid, the volumetric flowrate per unit width of surface and the acceleration due to gravity. Obtain the relevant dimensionless groups. For streamline it is found that the film thickness is proportional to the one third power of the volumetric flowrate per unit width. Calculate the percent

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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Heat is transferred from condensing steam to a vertical surface and the resistance to heat transfer is attributable to the thermal resistance of the condensate layer on the surface. For a film of liquid flowing down a vertical surface, the variables influencing the film thickness, include: viscosity of the liquid (water), density of the liquid, the volumetric flowrate per unit width of surface and the acceleration due to gravity. Obtain the relevant dimensionless groups. For streamline it is found that the film thickness is proportional to the one third power of the volumetric flowrate per unit width. Calculate the percent change in thickness if the gravity increase by one-third of its original value?
Transcribed Image Text:Heat is transferred from condensing steam to a vertical surface and the resistance to heat transfer is attributable to the thermal resistance of the condensate layer on the surface. For a film of liquid flowing down a vertical surface, the variables influencing the film thickness, include: viscosity of the liquid (water), density of the liquid, the volumetric flowrate per unit width of surface and the acceleration due to gravity. Obtain the relevant dimensionless groups. For streamline it is found that the film thickness is proportional to the one third power of the volumetric flowrate per unit width. Calculate the percent change in thickness if the gravity increase by one-third of its original value?
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