2 m A₂ 2 m A₁ 1 m View factor F12 0.50 Y 0.1 Dimension ratio, Y = 0.1 0.40 0.2. 0.3 0.4 0.30 0.6° 0.8. 0.20 1.0- 1.5 2.0 0.10 3.0- 4.01 1.0 하 6.0 Asymptotes 8.0 Scale changes here 2.0 3.0 4.0 6 8 10 Dimension ratio, Z A2 x 1 m A₁ A₁ = Area on which heat- transfer equation is based Y = y/x Z = z/x
2 m A₂ 2 m A₁ 1 m View factor F12 0.50 Y 0.1 Dimension ratio, Y = 0.1 0.40 0.2. 0.3 0.4 0.30 0.6° 0.8. 0.20 1.0- 1.5 2.0 0.10 3.0- 4.01 1.0 하 6.0 Asymptotes 8.0 Scale changes here 2.0 3.0 4.0 6 8 10 Dimension ratio, Z A2 x 1 m A₁ A₁ = Area on which heat- transfer equation is based Y = y/x Z = z/x
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
Related questions
Question
Surface A1 of the system shown in the figure below is a graybody with emissivity of 0.56 andsurface A2 is a blackbody.
Can you determine view factors F1-2 and F2-1. And draw an analogous electrical circuit based on Ohm’s law and determine the net radiation heat transfer from surface A1 to surface A2 if T1 = 500oC and T2 = 27oC. For the graybody, α = ε. Stefan-Boltzmann constant, σ = 5.676 × 10-8 W/m2·K4.
Transcribed Image Text:2 m
A₂
2 m
A₁
1 m
View factor F12
0.50
Y 0.1
Dimension ratio, Y = 0.1
0.40
0.2.
0.3
0.4
0.30
0.6°
0.8.
0.20
1.0-
1.5
2.0
0.10
3.0-
4.01
1.0
하
6.0
Asymptotes
8.0
Scale changes here
2.0
3.0
4.0
6
8
10
Dimension ratio, Z
A2
x
1 m
A₁
A₁ = Area on which heat-
transfer equation is based
Y = y/x
Z = z/x
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