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ε, α, T∞ x O İsolar h, T∞ Absorber plate Water tubes Insulation

ε, α, T∞ x O İsolar h, T∞ Absorber plate Water tubes Insulation

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A flat-plate solar collector is used to heat water by having water flow through tubes attached at the back of the thin solar absorber plate. The absorber plate has emmisssivity and an absorptivity of 0.9. The top surface where x=0 temp of the absorber is T0=35 degrees C, and solar radiation is incident on the basorber at 500 W/m^2 with a surrounding temp of 0 degrees C. The convection heat transfer coefficient at the absorber surface is 5 W/m^2 K, while the ambient temp is 25 degrees C. Show that the variation of the temp in the basorber plate can be expressed as T(x)=-(q0/k)x+T0, and determine net heat flux, q, absorbed by solar collector. 

ε, α, T∞ x O İsolar h, T∞ Absorber plate Water tubes Insulation
Transcribed Image Text:ε, α, T∞ x O İsolar h, T∞ Absorber plate Water tubes Insulation
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