Ventilation within a small cottage with a mansard
We placed a ventilator in the living room (blue box). Fresh new air enters the room from the above flowing upwards. The air then re-enters the ventilator from below. It is difficult to evaluate the efficiency of a ventilation system. Time is the missing information. How much time is needed to renew the air in the apartment ?
Are there areas of the house where the stale air is tending to stagnate? We developed a post-processing visualization feature that responds to these needs. This video shows the same transient as Video 1 - by using 3 isosurfaces of the fresh air concentration, red, green and blue, respectively for high, medium and low concentration levels. The time lapse is a few hours.
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