changes.mady.by.user Arthur Aslanyan (Nafta College)
Saved on Nov 27, 2019
...
\frac{\partial T_b}{\partial t} = a^2 \Delta T_b = a^2\frac{\partial^2 T_b}{\partial z^2}
T_b(t=0, z) = T_G(z)
T_b(t, z=0_f \leq z \leq z_f + h_f) = T_f = {\rm const}
T_b(t, z \rightarrow \infty) = T_G(z)
