ścianka płaska WB3r (1ściana) - $q = \frac{\text{Tot}1 - \text{Tot}2}{\frac{1}{\alpha 1} + \frac{x1}{\lambda 1} + \frac{1}{\alpha 2}}$ [W/m²]

ścianka płaska WB3r kilka ścianek $q = \frac{\text{Tot}1 - \text{Tot}2}{\frac{1}{\alpha 1} + \Sigma\frac{\text{xi}}{\lambda i} + \frac{1}{\alpha 2}}$ [W/m²]

cylindryczna w WB3R (1ściana) $q = \frac{2\pi(\text{Tot}1 - \text{Tot}2)}{\frac{1}{\alpha 1r1} + \frac{1}{\lambda 1}\text{\ \ l}n\frac{r2}{r1} + \frac{1}{\alpha 2r2}}$ [W/m²]

cylindryczna w WB3R (2ściany) $q = \frac{2\text{πL}(\text{Tot}1 - \text{Tot}2)}{\frac{1}{\alpha 1r1} + \Sigma\frac{1}{\text{λi}}\text{\ \ l}n\frac{\text{ri} + 1}{\text{ri}} + \frac{1}{R2\alpha n}}$ [W/m²]