Living · 6 pages · 12 min

How stack effect pulls air through a building

Warm air rises and leaves high up, so cold air is pulled in down low.

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From the opening

Stack effect is the flow driven by warm indoor air being lighter than cold outdoor air. The warm air pushes out through high openings, and the same pressure difference pulls outdoor air in through low openings. The opening covers warm air leaving high openings, cold air pulled in down low, and the neutral pressure level.

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Inside

Warm air leaving high openings
Cold air pulled in down low
The neutral pressure level
Why height makes it stronger
Where the idea stops applying
A distinction worth keeping

Sources

Buoyancy-driven stack effect in buildings
The neutral pressure plane in a heated house

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How stack effect pulls air through a building

From the opening

Inside

Sources

Also on the desk