Specifying the Film Heat Transfer
The temperature distribution over the film has great influence on the film formation, that is, its thickness and width. To capture this distribution accurately, you take both convection and radiation into account. The film has a temperature of 400 K at the die exit; the environment and the chill roll have a temperature of 300 K.
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Edit the
node and set the following properties:
Node Property Setting Physics Conditions Flux Option
Option Convection & Radiation Physics Values Ambient Temperature
Value 300.0 K Heat Transfer Coefficient
Value 30 W/m^2-K Surface Emissivity
0.8 - Save the simulation.