Cableizer ®

Change length conductor

Thermal elongation of conductor.

Symbol
$\delta{}L_c$
Unit
mm
Formulas
$\chi_c L_{span} \left(\theta_{max}-\theta_{pull}\right)$increase compared to installed length
$\chi_c L_{span} \left(\theta_{min}-\theta_{pull}\right)$decrease compared to installed length
$\chi_c L_{span} \left(\theta_{max}-\theta_{min}\right)$variation in length (max - min)
Related
$\chi_c$
Linear thermal expansion coefficient conductor material [1/K]
$L_{span}$
Span between clamp [mm]
$\theta_{max}$
Highest temperature of conductor over a load variation period [°C]
$\theta_{min}$
Min temperature conductor [°C]
$\theta_{pull}$
Ambient temperature during installation [°C]
Used in
$L_{sag}$
Initial length with sag [m]
$sag_c$
Sag cable [mm]