Thermal resistance 22 of multi-layer backfill method

Thermal resistance offered by the material in layer 2 along the flow path q2.

Symbol
$R_{q22}$
Unit
K.m/W
Formulae
$\frac{C_{4} \left(\frac{H_{c} + \frac{k_{4}}{K_{E}}}{s_{3} + s_{4}}\right)^{C_{5}}}{k_{4}}$
Related
$H_{c}$
$K_{E}$