3 ms·
Huh, I always assumed it was because wind speeds would typically be faster higher up, creating lower pressure to draw up air.
by saagarjha 1y ago
Huh, I always assumed it was because wind speeds would typically be faster higher up, creating lower pressure to draw up air.
- potato3732842 1y agoAt first that's true. That's why chimneys all have a more or less minimum height above the roofline (and people can get away with little to nothing for a house on a ridge line or like an ice fishing shack or something). Beyond the minimum the effect tapers off and what TFA is talking about starts mattering.