chtMultiRegionFoam heat flux
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Hi folks,
I want to simulate a block of steel which has a cooling channel (water) in it. A constant heat flux is applied on top of the block. You can see the geometry in the attached picture. I applied the solidWallHeatFluxTemperature bc to the top. Unfortunately the heat flux at the top does not correspond to the heat flux removed by the water. Here are some values: Heat flux density at the top: 50000 W/m² Area at the top: 0.03 m² --> total heat flux: 1500 W Water velocity: 0.424 m/s Channel diameter: 10e-3 m Density: 997 kg/m³ cp: 4182 J/kg/K difference in Temperature inlet - outlet: 22 K --> removed heat flux: ~3005 W All the faces of the block are set to zeroGradient concerning Temperature. I checked the heat flux over the channel Wall with swak4foam: Code:
qChannelWall Code:
thermoType hRhoThermo<pureMixture<constTransport<specieThermo<hConstThermo<incompressible>>>>>; Thanks in advance Michael |
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