changes.mady.by.user Arthur Aslanyan (Nafta College)
Saved on Mar 22, 2019
...
p(r) = p_i + \frac{q_t}{4 \pi \sigma} \, \ln \frac{r_e}{r_w}
p_{wf} = p_i + \frac{q_t}{4 \pi \sigma} \, \bigg[ - 2S + \ln \frac{r_e}{r_w} \bigg]
where
