A 20 mm diameter copper pipe is used to carry heated water, the external surface of the pipe is subjected to a convective heat transfer coefficient of h = 6 W /m*K , find the heat loss by convection per metre length of the pipe when the external surface temperature is 80°C and the surroundings are at 20°C. Assuming black body radiation what is the heat loss by radiation?
A 20 mm diameter copper pipe is used to carry heated water, the external surface of the pipe is subjected to a convective heat transfer coefficient of h = 6 W /m*K , find the heat loss by convection per metre length of the pipe when the external surface temperature is 80°C and the surroundings are at 20°C. Assuming black body radiation what is the heat loss by radiation?
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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![9)
A 20 mm diameter copper pipe is used to cary heated water, the external surface of the pipe is
subjected to a convective heat transfer coeffcient of h = 6 W / m² K , find the heat loss by convection
per metre length of the pipe when the external surface temperature is 80°C and the surroundings are at
20°C. Assuming black body radiation what is the heat loss by radiation?
T;= 20°C
Ts = 80°C
%3D
20 mm diameter](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa32b0eb7-c3b2-494c-9afd-1e5332317e11%2F63163644-05e0-4215-95c9-ffa8a61b4d7d%2F8qrhpmn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9)
A 20 mm diameter copper pipe is used to cary heated water, the external surface of the pipe is
subjected to a convective heat transfer coeffcient of h = 6 W / m² K , find the heat loss by convection
per metre length of the pipe when the external surface temperature is 80°C and the surroundings are at
20°C. Assuming black body radiation what is the heat loss by radiation?
T;= 20°C
Ts = 80°C
%3D
20 mm diameter
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