HWNO.2 Due on19/12/2021 1) Determine the view factors F13 and F23 between the rectangular surfaces shown in Figure below: F32 =0.05 2 m A2 1 m 1 m Az 1 m 2) Determine the view factor F12 between the rectangular surfaces shown in Figure below. m 1 m 1 m 2 m 1 m 1 m 2 m Im m m 3 m 3 m 2 m (a) (b) (c) A) F12=0.07 B) F14 = 0.07 C)F12= 0.08 3) Two parallel disks of diameter D=0.6 m separated by L =0.4 m are located directly on top of each other. Both disks are black and are maintained at a temperature of 700 K. The back sides of the disks are insulated, and the environment that the disks are in can be considered to be a blackbody at To=300 K. Determine the net rate of radiation heat transfer from the disks to the environment. Answer: 5505 W
HWNO.2 Due on19/12/2021 1) Determine the view factors F13 and F23 between the rectangular surfaces shown in Figure below: F32 =0.05 2 m A2 1 m 1 m Az 1 m 2) Determine the view factor F12 between the rectangular surfaces shown in Figure below. m 1 m 1 m 2 m 1 m 1 m 2 m Im m m 3 m 3 m 2 m (a) (b) (c) A) F12=0.07 B) F14 = 0.07 C)F12= 0.08 3) Two parallel disks of diameter D=0.6 m separated by L =0.4 m are located directly on top of each other. Both disks are black and are maintained at a temperature of 700 K. The back sides of the disks are insulated, and the environment that the disks are in can be considered to be a blackbody at To=300 K. Determine the net rate of radiation heat transfer from the disks to the environment. Answer: 5505 W
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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Transcribed Image Text:HW-2-19-12-2021 (1)...
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HWNO.2 Due on19/12/2021
1) Determine the view factors F13 and F23 between the rectangular surfaces shown in Figure
below: F32=0.05
2 m
A2
1 m
A1
1 m
1 m
2) Determine the view factor F12 between the rectangular surfaces shown in Figure below.
1 m
1 m
m
2 m
1 m
1 m
2 m
1 m
m
m
m
m
3 m
3 m
2 m
(a)
(b)
(c)
A) F12=0.07
B) F14=0.07 C) F12= 0.08
3) Two parallel disks of diameter D=0.6 m separated by L =0.4 m are located directly on top of each
other. Both disks are black and are maintained at a temperature of 700 K. The back sides of the
disks are insulated, and the environment that the disks are in can be considered to be a
blackbody at T=300 K. Determine the net rate of radiation heat transfer from the disks to the
environment. Answer: 5505 W
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