Table 3 List of parameters used for numerical simulations
From: Towards Digital Manufacturing of Smart Multimaterial Fibers
Parameter | Expression | Value |
|---|---|---|
Core radius | r core | 2 μm |
Fiber radius | r fiber | 140 μm |
Fiber length | h fiber | 15 mm |
Thermal conductivity of Si | k Si | 149 W/mK |
Thermal conductivity of SiO2 | k SiO2 | 1.3 W/mK |
Si–SiO2 surface tension coefficient | σ 0 | 1.5 N/m |
Air–SiO2 surface tension coefficient | σ 1 | 0.75 N/m |
Si tangent coefficient of isothermal expansion | α Si | 2.5 × 0−6 K − 1 |
Softening temperature of SiO2 | T s | 1710 °C |
Melting temperature of Si | T m | 1414 °C |