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Heat transfer from radiation not happening

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Old   July 12, 2024, 17:24
Default Heat transfer from radiation not happening
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Maydiva Thessalonica Virginie
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Hello everyone, I'd like to model a solar PV with the DO model and solar ray tracing activated. I have used the solar calculator as an input for the geographical location of the model. I'd like to see the PV receiving radiation, heats up, then cools down due to natural convection between the PV and the air.
My settings are:
Initial velocity-inlet is set at 3 m/s and the ambient temperature is set at 300 K.
The domain is split in half, so the walls of the PV layers that intersects with the symmetry is assigned as symmetry instead of wall.
All the "participates in radiation" have been checked across solid cell zones.
After inputting the solar calculator, the DI ranges from 800 to 900 W/m2K.

However everytime I initialize the solution, the PV temperature doesn't change. Can anyone please tell me what is possibly wrong?
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heat and mass transfer, solar radiation


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