A spherical particle of diameter Di = 10 mm is suspended by a thin wire within a cylindrical tube of inner diameter D2 = 30 mm and length L = 0.5 m. As -A2 D2 A1 Ag Determine the view factors F11,F12, F13, and F14 for S = 105 mm. The view factor between the sphere and the bottom end (-1/2 of the tube (a disk of radius r3) is F13 = 0.5 1–- (1+ R})=2 where R3 = r3/S. F11 = F12 = i F13 = i F14 = i

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter11: Heat Transfer By Radiation
Section: Chapter Questions
Problem 11.1P
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A spherical particle of diameter Di = 10 mm is suspended by a thin wire within a cylindrical tube of inner diameter D2 = 30
mm and length L = 0.5 m.
As
-A2
D2
A1
Ag
Determine the view factors F11,F12, F13, and F14 for S = 105 mm. The view factor between the sphere and the bottom end
(-1/2)
of the tube (a disk of radius r3) is F13 = 0.5 1–- (1+ R})=2 where R3 = r3/S.
F1 =
F12 =
i
F13 =
i
F14 =
i
Transcribed Image Text:A spherical particle of diameter Di = 10 mm is suspended by a thin wire within a cylindrical tube of inner diameter D2 = 30 mm and length L = 0.5 m. As -A2 D2 A1 Ag Determine the view factors F11,F12, F13, and F14 for S = 105 mm. The view factor between the sphere and the bottom end (-1/2) of the tube (a disk of radius r3) is F13 = 0.5 1–- (1+ R})=2 where R3 = r3/S. F1 = F12 = i F13 = i F14 = i
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