T1-Ambient tempeture [k] t- inside tempeture [k] hoo-convective heat transfer coefficient of the air [W/m^2*k] t- thickness of walls[m] K-thermal conductivity (W/m-K) -(VIP) d-cube size [m] Ai-cube area inside [m^2] Ao-cube area outside [m^2] Ts-surface tempeture[k][ E-emissivity aluminium foil - Stefan-Boltzmann constant W·m-2. K-4 303 290 10 0.08 0.007 1 6 6.96 300 0.03 5.67E-08 Q heat flux [W] AT ΣR T₁ 111.0 0000 006%

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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T1- Ambient tempeture [k]
t- inside tempeture [k]
hoo-convective heat transfer coefficient of the air [W/m^2*k]
t-thickness of walls[m]
Kthermal conductivity (W/m-K) -(VIP)
d-cube size [m]
Ai-cube area inside [m^2]
Ao-cube area outside [m^2]
Ts-surface tempeture[k][
E-emissivity aluminium foil
- Stefan Boltzmann constant W·m-2 K-4
303
290
10
0.08
0.007
1
6
6.96
300
0.03
5.67E-08
Q heat flux [W]
ΔΤ
ΣR
F
T₁
111.0
0000
006%
Transcribed Image Text:T1- Ambient tempeture [k] t- inside tempeture [k] hoo-convective heat transfer coefficient of the air [W/m^2*k] t-thickness of walls[m] Kthermal conductivity (W/m-K) -(VIP) d-cube size [m] Ai-cube area inside [m^2] Ao-cube area outside [m^2] Ts-surface tempeture[k][ E-emissivity aluminium foil - Stefan Boltzmann constant W·m-2 K-4 303 290 10 0.08 0.007 1 6 6.96 300 0.03 5.67E-08 Q heat flux [W] ΔΤ ΣR F T₁ 111.0 0000 006%
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what about radiation and convection outside and convection inside . please include that in the R, thank you

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