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ow Total لا & total heat transfer from sphere. is convection +radiation _.( = -

ow Total لا & total heat transfer from sphere. is convection +radiation _.( = -

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Now Total à total NOW heat transfer from sphere. is. & convection +radiation convection = honu*As+ [Ts-Ta] 'con = 15* 48² *[110-20] = 15*41*0.045² [110-20] éconvection @radiation whell - 34-3533 kl. E*O*As [TS-Ta4] E= Emissivity G-stefen boleman constant 0=5.68 * 108 W/m². kt Pradiation = 0.8+5.68*108*47*0.0452 [383-2934] radiation = 16.6198 14. lal.) so, total = convection + radiation. Q+otal = 50.9731 W,
Transcribed Image Text:Now Total à total NOW heat transfer from sphere. is. & convection +radiation convection = honu*As+ [Ts-Ta] 'con = 15* 48² *[110-20] = 15*41*0.045² [110-20] éconvection @radiation whell - 34-3533 kl. E*O*As [TS-Ta4] E= Emissivity G-stefen boleman constant 0=5.68 * 108 W/m². kt Pradiation = 0.8+5.68*108*47*0.0452 [383-2934] radiation = 16.6198 14. lal.) so, total = convection + radiation. Q+otal = 50.9731 W,
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