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Air at 2 bar and 40°C is heated as it flows through tube of diameter 30mm at a velocity of 10 m/s. Calculate the heat transfer per unit length of the tube when wall temperature is maintained at 100°C all along length of the tube. How much would be the bulk temperature increase over one metre length of the tube ? Use the following relation: Nu= 0.023 Re08 P04 u = 20.6 x 106 N- s/m²;: Pr = 0.694 c = 1.009 kJ/kg°C; k = 0.0297 kg/m°C;

Air at 2 bar and 40°C is heated as it flows through tube of diameter 30mm at a velocity of 10 m/s. Calculate the heat transfer per unit length of the tube when wall temperature is maintained at 100°C all along length of the tube. How much would be the bulk temperature increase over one metre length of the tube ? Use the following relation: Nu= 0.023 Re08 P04 u = 20.6 x 106 N- s/m²;: Pr = 0.694 c = 1.009 kJ/kg°C; k = 0.0297 kg/m°C;

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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Air at 2 bar and 40°C is heated as it flows through tube of diameter 30mm at a velocity of 10 m/s. Calculate the heat transfer per unit length of the tube when wall temperature is maintained at 100°C all along length of the tube. How much would be the bulk temperature increase over one metre length of the tube? Use the following relation : Nu = 0.023 Re08 P0.4 u = 20.6 x 106 N-s/m²: Pr = 0.694 c = 1.009 kJ/kg°C; k = 0.0297 kg/m°C;
Transcribed Image Text:Air at 2 bar and 40°C is heated as it flows through tube of diameter 30mm at a velocity of 10 m/s. Calculate the heat transfer per unit length of the tube when wall temperature is maintained at 100°C all along length of the tube. How much would be the bulk temperature increase over one metre length of the tube? Use the following relation : Nu = 0.023 Re08 P0.4 u = 20.6 x 106 N-s/m²: Pr = 0.694 c = 1.009 kJ/kg°C; k = 0.0297 kg/m°C;
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