Warmteoordrag: Verskil tussen weergawes

:<math>q = \frac{\Delta T}{R_{totaal}} = A(T_{\infty,2} - T_{\infty,1})\left( \frac{1}{h_1} + \frac{L}{k} + \frac{1}{h_2} \right)^{-1}</math>

 

 

:<math>q = \varepsilon \sigma A T^4</math>