Seoltacht theirmeach

Seoltacht theirmeach

Foirmle	${\displaystyle {\boldsymbol {q}}=-\lambda \operatorname {grad} (T)}$

Is éard is seoltacht theirmeach ábhair ann ná tomhas ar a chumas teas a sheoladh. Cuirtear in iúl í go coitianta ag ${\displaystyle k}$, ${\displaystyle \lambda }$, nó ${\displaystyle \kappa }$ .