C1        0.025[W/(m*K)]   First constant for convective heat transfer coefficient calculation
C2        0.73[W/(m^2*K)]  Second constant for convective heat transfer coefficient calculation
epsilon   0.90             Surface emissivity
Ti        20[degC]         Internal temperature
Te        0[degC]          External temperature
Rsi_n     0.13[m^2*K/W]    Internal surface resistance (normal)
Rsi_p     0.20[m^2*K/W]    Internal surface resistance (protected)
Rse       0.04[m^2*K/W]    External surface resistance
lambda_p  0.035[W/(m*K)]   Thermal conductivity of the insulation panel