Numerical Investigations on Solar Chimney Inclination Angle for Room Ventilation

Summary

CFD simulations in Ansys Fluent model a roof solar chimney for room ventilation in the climate of Kut, Iraq, comparing tilt angles and south- or west-facing orientations. A 45° tilt worked best, and using several 45° chimneys facing both directions raised ventilation rates by about 32% while lowering the average room temperature by around 1.3 °C.

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