Cableizer ®

Mutual thermal resistance between object(s) per slice

Mutual thermal resistance between the rated object and the crossing object with several crossings.

Symbol
$T_{mh,v}$
Unit
K.m/W
Formulas
$e^{-|\nu| \gamma_{X} \Delta z} \ln\left(\frac{\left(L_{r}+L_{h}\right)^2+\left(\nu \Delta z \mathrm{sin}\beta\right)^2}{\left(L_{r}-L_{h}\right)^2+\left(\nu \Delta z \mathrm{sin}\beta\right)^2}\right)$single source crossing
$e^{-|\nu| \gamma_{X} \Delta z} \ln\left(\frac{\left(L_{r}+L_{h}\right)^2+\left(\left(z_{r}-z_{h}+\nu \Delta z\right) \mathrm{sin}\beta\right)^2}{\left(L_{r}-L_{h}\right)^2+\left(\left(z_{r}-z_{h}+\nu \Delta z\right) \mathrm{sin}\beta\right)^2}\right)$several crossings
Related
$\Delta z$
Length of the interval [m]
$\gamma_{X}$
Attenuation factor for crossing [1/m]
$L_{h}$
Depth of laying of crossing element [mm]
$L_{r}$
Depth of laying of the rated object [mm]
$\nu$
Summation step 1 - $N_X$
$T_{mh}$
Mutual thermal resistance between rated and crossing object(s) [K.m/W]
$z_{h}$
Location of the heat source [m]
$z_{r}$
Location of the hottest point [m]