flue effect

chimney effect, flue effect, stack effect

The tendency of air or gas in a shaft or other vertical passage to rise when heated, owing to its lower density compared with that of the surrounding air or gas.
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It's the flue effect that causes fire to spread rapidly.
Safety first..
Rather than run the HVAC system all the time, operators can pop open the roof and wall panels to create a flue effect on nicer days, Mendioroz says.
A rare, jewel: a gorgeous, glass-encased facility brings patrons closer to nature, while protecting Mother Earth

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