OpenFOAM® tutorial: Light Bulb – Free convection and radiation

50.00

chtMultiRegionFoam solver

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Description

This tutorial shows how to set up a numerical model with conjugated heat transfer including radiation modeling using the chtMultiRegionFoam solver. The case configuration is a light bulb of 60 W power simulated transiently with free convection. Radiation is modeled using the fvDom model of OpenFOAM®. The tutorial uses many advanced features of OpenFOAM® to efficiently simulate an industrial heat transfer application:

  • chtMultiRegionFoam with 3 domains (1 fluid and 2 solids), transient and turbulent flow, perfect gas.
  • snappyHexMesh in multi-regions framework with boundary layer insertion.
  • radiation modeling with fvDom.
  • Argon free convection modeling.
  • source term for heat generation in the filament.
  • python script for plotting temperature probes in the argon domain.

Calculation time:

  • Around 1 hours on 4 cores – AMD® Ryzen 5 4600h.

Prerequisites/Information:

  • OpenFOAM®: Tested on versions 2006+.

  • The tutorial is designed to run on 4 cores but can be easily modified to be run on the number of core chosen by the user.
  • Paraview (post-processing).

CFD-training does not give any warranty to the numerical results obtained within this tutorial due to the absence of verification or validation.

 

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