Cableizer
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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]
$\theta_{hsj}$
Temperature protective jacket [°C]
$W_{hs}$
Heat dissipation heat source [W/m]