Cableizer ®

Thermal capacitance B transient thermal circuit, screen/sheath

Symbol
$Q_{B,s}$
Unit
J/(m.K)
Formulas
$\frac{Q_{sc}+Q_{sh}}{q_{1} n_{c}}$long-term transients
$\frac{\left(\frac{T_{B}-\frac{T_{1}}{2n_{c}}}{T_{B}}\right)^2 \left(Q_{sc}+Q_{sh}\right)}{q_{1} n_{c}}$short-term transients
Related
$n_{c}$
Number of conductors cable
$q_{1}$
Ratio of losses screen bedding,screen serving
$Q_{sc}$
Thermal capacitance screen [J/(m.K)]
$Q_{sh}$
Thermal capacitance sheath [J/(m.K)]
$T_{1}$
Thermal resistance conductor—sheath [K.m/W]
$T_{B}$
Thermal resistance B transient thermal circuit [K.m/W]
Used in
$Q_{B}$
Thermal capacitance B transient thermal circuit [J/(m.K)]