A horizontal copper plate (k= 374 W/m °C, a = uniform in temperature at 250 °C. The bottom surface of the plate is insulated. The top surface is suddenly exposed to a fluid stream at 80 °C. The convection heat transfer coefficient is 935 W/m2 °C. 11.23x10-5 m 2 /s) 10 cm thick is initially | Can the Equation [4-15] be used to solve this problem? h?ar + k2 h Jat x|1- erf X + k T – T; (hx =1- erf X - exp [4-15] Too - T; where X = x/(2/at) T; = initial temperature of solid T = environment temperature If equation CAN NOT be used, state why it cant?
A horizontal copper plate (k= 374 W/m °C, a = uniform in temperature at 250 °C. The bottom surface of the plate is insulated. The top surface is suddenly exposed to a fluid stream at 80 °C. The convection heat transfer coefficient is 935 W/m2 °C. 11.23x10-5 m 2 /s) 10 cm thick is initially | Can the Equation [4-15] be used to solve this problem? h?ar + k2 h Jat x|1- erf X + k T – T; (hx =1- erf X - exp [4-15] Too - T; where X = x/(2/at) T; = initial temperature of solid T = environment temperature If equation CAN NOT be used, state why it cant?
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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Question
![A horizontal copper plate (k= 374 W/m °C, a =11.23×10-5 m 2 /s) 10 cm thick is initially
uniform in temperature at 250 °C. The bottom surface of the plate is insulated. The top surface is
suddenly exposed to a fluid stream at 80 °C. The convection heat transfer coefficient is 935
W/m2 °C.
| Can the Equation [4-15] be used to solve this problem?
h?at
h Jat
- erf ( X +
k
T T;
(hx
=1- erf X- exp
[4-15]
Too - T;
k2
where
X =x/(2/at)
T; = initial temperature of solid
Too = environment temperature
If equation CAN NOT be used, state why it cant?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F36997276-e876-4d20-b813-249583ed4792%2F5905e102-e2b7-4feb-80ef-22b0916668c3%2Fn08aev8_processed.png&w=3840&q=75)
Transcribed Image Text:A horizontal copper plate (k= 374 W/m °C, a =11.23×10-5 m 2 /s) 10 cm thick is initially
uniform in temperature at 250 °C. The bottom surface of the plate is insulated. The top surface is
suddenly exposed to a fluid stream at 80 °C. The convection heat transfer coefficient is 935
W/m2 °C.
| Can the Equation [4-15] be used to solve this problem?
h?at
h Jat
- erf ( X +
k
T T;
(hx
=1- erf X- exp
[4-15]
Too - T;
k2
where
X =x/(2/at)
T; = initial temperature of solid
Too = environment temperature
If equation CAN NOT be used, state why it cant?
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