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Q4:Give the reason for all statements 1-Estimate the thermal entrance region in the laminar or turbulence internal flow. 2-Using correction factor (F) to design heat exchanger. 3- Constant average friction coefficient at fully developed region into the internal flow. 4- Prandtle number is an important dimensionless factor in convection heat transfer. 5-Bulk temperature is used as a fluid temperature difference in internal flows. 6- Maximum heat capacity for the condense or evaporate fluid is considered. 7-Counter flow H.E is more commonly used than parallel flow H.E. 8-Axial heat transfer through the pipe (internal flow) is negligible. 9-No heat transfer from the tip of the very long fin. 10-Convection heat transfer will increased by increasing flow Reynolds number.

Q4:Give the reason for all statements 1-Estimate the thermal entrance region in the laminar or turbulence internal flow. 2-Using correction factor (F) to design heat exchanger. 3- Constant average friction coefficient at fully developed region into the internal flow. 4- Prandtle number is an important dimensionless factor in convection heat transfer. 5-Bulk temperature is used as a fluid temperature difference in internal flows. 6- Maximum heat capacity for the condense or evaporate fluid is considered. 7-Counter flow H.E is more commonly used than parallel flow H.E. 8-Axial heat transfer through the pipe (internal flow) is negligible. 9-No heat transfer from the tip of the very long fin. 10-Convection heat transfer will increased by increasing flow Reynolds number.

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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Q4:Give the reason for all statements : 1-Estimate the thermal entrance region in the laminar or turbulence internal flow. 2-Using correction factor (F) to design heat exchanger. 3- Constant average friction coefficient at fully developed region into the internal flow. 4- Prandtle number is an important dimensionless factor in convection heat transfer. 5-Bulk temperature is used as a fluid temperature difference in internal flows. 6- Maximum heat capacity for the condense or evaporate fluid is considered. 7-Counter flow H.E is more commonly used than parallel flow H.E. 8-Axial heat transfer through the pipe (internal flow) is negligible. 9-No heat transfer from the tip of the very long fin. 10-Convection heat transfer will increased by increasing flow Reynolds number.
Transcribed Image Text:Q4:Give the reason for all statements : 1-Estimate the thermal entrance region in the laminar or turbulence internal flow. 2-Using correction factor (F) to design heat exchanger. 3- Constant average friction coefficient at fully developed region into the internal flow. 4- Prandtle number is an important dimensionless factor in convection heat transfer. 5-Bulk temperature is used as a fluid temperature difference in internal flows. 6- Maximum heat capacity for the condense or evaporate fluid is considered. 7-Counter flow H.E is more commonly used than parallel flow H.E. 8-Axial heat transfer through the pipe (internal flow) is negligible. 9-No heat transfer from the tip of the very long fin. 10-Convection heat transfer will increased by increasing flow Reynolds number.
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