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a) Calculate the convective coefficient h for water inside the pipe. b) Calculate the overall coefficient U b3sed on the inside surface area. c) Calculate the heat-transfer rate for this pipe with water at an average temperature of 37.8 °C.

a) Calculate the convective coefficient h for water inside the pipe. b) Calculate the overall coefficient U b3sed on the inside surface area. c) Calculate the heat-transfer rate for this pipe with water at an average temperature of 37.8 °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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Water is flowing in a horizontal 2-in. schedule 80 steel pipe at an average temperature of 37.8°C and a velocity of 3 m/s. It is being heated by condensing steam at 110°C on the outside of the pipe wall. The steam-side coefficient has been estimated as h = 10 000 W/m² ·K. The length of the pipe is 0.5 m. a) Calculate the convective coefficient h for water inside the pipe. i b) Calculate the overall coefficient U based on the inside surface area. i c) Calculate the heat-transfer rate for this pipe with water at an average temperature of 37.8 °C. Hint: Please note that one trial solution is enough for this trial and error problem.
Transcribed Image Text:Water is flowing in a horizontal 2-in. schedule 80 steel pipe at an average temperature of 37.8°C and a velocity of 3 m/s. It is being heated by condensing steam at 110°C on the outside of the pipe wall. The steam-side coefficient has been estimated as h = 10 000 W/m² ·K. The length of the pipe is 0.5 m. a) Calculate the convective coefficient h for water inside the pipe. i b) Calculate the overall coefficient U based on the inside surface area. i c) Calculate the heat-transfer rate for this pipe with water at an average temperature of 37.8 °C. Hint: Please note that one trial solution is enough for this trial and error problem.
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