Symbol
$\theta_{\mathrm{hs}}$
Unit
°C
Formulae
 $\Delta \theta_{\mathrm{p}} - \Delta \theta_{\mathrm{x}} \left(v_{\mathrm{4}} - 1\right) + W_{\mathrm{hs}} v_{\mathrm{4}} \left(T_{\mathrm{4db}} + T_{\mathrm{4iii}}\right) + \theta_{\mathrm{a}}$ buried heat source $\frac{1}{T_{\mathrm{sa}} + T_{\mathrm{st}}} \left(T_{\mathrm{sa}} T_{\mathrm{st}} W_{\mathrm{hs}} + T_{\mathrm{sa}} \theta_{\mathrm{t}} + T_{\mathrm{st}} \theta_{\mathrm{at}}\right)$ heat source in tunnel $T_{\mathrm{4iii}} W_{\mathrm{hs}} + \theta_{\mathrm{at}}$ heat source in trough
Related
$\Delta \theta_{\mathrm{p}}$
$\Delta \theta_{\mathrm{x}}$
$T_{\mathrm{4db}}$
$T_{\mathrm{4iii}}$
$T_{\mathrm{sa}}$
$T_{\mathrm{st}}$
$\theta_{\mathrm{a}}$
$\theta_{\mathrm{at}}$
$\theta_{\mathrm{t}}$
$v_{\mathrm{4}}$
$W_{\mathrm{hs}}$
Used in
$\theta_{\mathrm{e}}$
$W_{\mathrm{hs}}$