Rheology of the polymer melt

Newtonian

foam volume V

52.1270

lamella thickness H

0.1012

concentration ξ₁ of N₂

0.000001373

concentration ξ₂ of styrene

0.000192576

density ρ₁ [kg/m³] of N₂

0.0126

density ρ₂ [kg/m³] of styrene

0.0141

model change time t^* [s]

6.5462

dR_B,max/dT at time t^*

0.000007367

Reynolds number

6.8809 × 10⁻⁷