Room heated by a radiator not convering -- CFD Online Discussion Forums

April 29, 2023, 15:15

Room heated by a radiator not convering

riesgar

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Join Date: Dec 2022

Posts: 7

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Hello,

I am trying to simulate a room heated by a radiator. There is no mass exchange and the boundary conditions are shown in the image below.

I have built a structured mesh that is refined close to the boundaries and in my opinion is reasonably good.

However, when I simulate it, there is no way that it is converging. I have tried using all pressure-velocity couplings and different turbulence models.

Does anyone have any idea on where can the problem lie? Thanks

Attached Images

	Task.jpg (25.4 KB, 10 views)
	mesh_skewness.jpg (97.1 KB, 8 views)

Last edited by riesgar; April 29, 2023 at 17:38.

Tags

buoyancy driven flow, covergence criteria, natural convection, structured mesh

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