changes.mady.by.user Arthur Aslanyan (Nafta College)
Saved on Nov 30, 2019
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T(t, l) = T_e(l) - R(t) \, G_e(l) + \Big[ T_s - T_e(0) + R(t) \, G_e(l) \Big] \cdot e^{ - l/R(t)}
G_e = \frac{dT_be}{dl}
t_D(t) = \frac{a_e \, t}{r_w^2}
R(t) = \frac{q_s}{2 \pi \, a_e} \, \left( T_D(t) + \frac{\lambda_e}{r_f \, U} \right)
T_D(t) = \ln \Big[ e^{-0.2 \, t_D} + (1.5 - 0.3719 \, e^{-t_D}) \, \sqrt{t_D} \Big]
