Woodsmoke usually sinks to the ground level

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Woodsmoke usually sinks to the ground level

Postby Wilberforce » Sun Nov 21, 2010 8:25 pm

What's the use of having a smokestack 2 feet higher than a neighbor's roof?
Woodsmoke usually sinks to the ground level:

Image

The standard Briggs Plume equations would not apply to short chimneys,
as these only are modeled for very tall (300 ft) industrial smokestacks.
• The Surgeon General has determined that there is no safe level of exposure to ambient smoke!

• If you smell even a subtle odor of smoke, you are being exposed to poisonous and carcinogenic chemical compounds!

• Even a brief exposure to smoke raises blood pressure, (no matter what your state of health) and can cause blood clotting, stroke, or heart attack in vulnerable people. Even children experience elevated blood pressure when exposed to smoke!

• Since smoke drastically weakens the lungs' immune system, avoiding smoke is one of the best ways to prevent colds, flu, bronchitis, or risk of an even more serious respiratory illness, such as pneumonia or tuberculosis! Does your child have the flu? Chances are they have been exposed to ambient smoke!
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Re: Woodsmoke usually sinks to the ground level

Postby woodburner » Fri Dec 03, 2010 1:29 pm

This can happen, but 'usually' is a bit over the top. Usually the smoke goes up, because usually it's cold enough and the smoke is hot enough that it sufficiently rises out of the way in my experience.
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Re: Woodsmoke usually sinks to the ground level

Postby Wilberforce » Fri Dec 03, 2010 9:55 pm

Yes I agree, when it is very cold (≤ 0°F) smoke can rise vertically IF there is no wind.
Unfortunately, in milder temps (discovered through many observations I have made) smoke sinks like a stone.
Especially in the summertime, when fire pit smoke is released at ground level, and pretty much stays there.
• The Surgeon General has determined that there is no safe level of exposure to ambient smoke!

• If you smell even a subtle odor of smoke, you are being exposed to poisonous and carcinogenic chemical compounds!

• Even a brief exposure to smoke raises blood pressure, (no matter what your state of health) and can cause blood clotting, stroke, or heart attack in vulnerable people. Even children experience elevated blood pressure when exposed to smoke!

• Since smoke drastically weakens the lungs' immune system, avoiding smoke is one of the best ways to prevent colds, flu, bronchitis, or risk of an even more serious respiratory illness, such as pneumonia or tuberculosis! Does your child have the flu? Chances are they have been exposed to ambient smoke!
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