changes.mady.by.user Arthur Aslanyan (Nafta College)
Saved on Feb 11, 2022
...
s_w = \left[ \frac{\sqrt{\frac{1}{R_t}}}{ \frac{V_{sh}^{\left( 1-0.5 \, V_{sh} \right)}}{\sqrt{R_{sh}}} + \sqrt{ \frac{\phi_e^m}{A \, R_w}}} \right]^{\, (2/n)}
where
1.5 ÷ 2.5, default value is 2
