Cableizer ®

Thermal capacitance B transient thermal circuit, duct

Symbol
$Q_{B,d}$
Unit
J/(m.K)
Formulas
$\frac{\left(\frac{q_{4} \left(T_{4i}+T_{4ii}\right)}{T_{B}}\right)^2 \left(\left(1-p_{j}\right) Q_{j}+Q_{d,fill}+Q_{d}\right)}{q_{4}}$
Related
$p_{j}$
Apportioning factor jacket
$q_{4}$
Ratio of losses environment
$Q_{d}$
Thermal capacitance duct wall [J/(m.K)]
$Q_{d,fill}$
Thermal capacitance duct filling [J/(m.K)]
$Q_{j}$
Thermal capacitance jacket [J/(m.K)]
$T_{4i}$
Thermal resistance medium in the duct [K.m/W]
$T_{4ii}$
Thermal resistance duct wall [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)]