Solar Air Heater 2D Ansys Fluent

The discrete ordinates radiation model was used here without any solar load model, solar irradiation was defined as beam irradiation in the boundary condition for glazing.

[@Завязалье]

It's interesting. But it should show where the solar energy is exposed

[@MohamedNagy-zv5kt]

It's coming from the right, the small protrusion on the right is the solar heater, solar radiation is incident on and absorbed by an aluminum solid part inside the heater which gets heated with time and heats the room air via natural convection