Cableizer ®

Ratio thermal resistivity dry/moist soil

Symbol
$v_{4}$
Formulas
$\frac{\rho_{4d}}{\rho_{4}}$
Related
$\rho_{4}$
Thermal resistivity soil [K.m/W]
$\rho_{4d}$
Thermal resistivity dry soil [K.m/W]
Used in
$\Delta \theta_{c}$
Temperature rise conductor [K]
$\delta \theta_{c,t}$
Transient temperature rise conductor [K]
$\Delta \theta_{d}$
Temperature rise dielectric losses [K]
$\Delta \theta_{duct}$
Temperature rise duct (magnetic) [K]
$I_{c}$
Conductor current [A]
$M_{1}$
Corrected cyclic rating factor [K]
$T_{eq}$
Thermal resistance, equivalent [K.m/W]
$T_{r}$
Thermal resistance, total [K.m/W]
$\theta_{c}$
Temperature conductor [°C]
$\theta_{de}$
Temperature duct outer surface [°C]
$\theta_{e}$
External temperature object [°C]
$\theta_{fo}$
Temperature optical fiber [°C]
$\theta_{hsj}$
Temperature protective jacket [°C]
$W_{fo}$
Heat fiber optic cable [W/m]
$W_{hs}$
Heat dissipation heat source [W/m]