wind chill

wind chill

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Posted by shane frederick on September 16, 1997 at 15:14:29:
What does wind chill mean?
For example consider the following two locations:
Location A Ambient temperature = -10 Wind Chill = -50
Location B Ambient temperature = -50 Wind Chill = -50 (Calm)
If you stuck a big block of 100 degree aluminum outside in these two locations,
would it cool to 100 - X degrees in the same amount of time at both location?
Does it matter what the intial temperature of the body is, what it is composed of?
Does a wind chill temperature really "feel" as cold in both locations. Is there
any psychophysical evidence of this, or are the wind chill
formulas based on some physical test, like the one described above?
(3) Is it true that beyond a certain wind speed (like 70 mph), stronger winds actually begin to impart thermal energy to the body, and thereby reverse the "wind chill" effect?
(4) Can you freeze water by blowing dry air over it quickly, even if the ambient temperature of the air exceeds 0.

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Re: wind chill Christopher Pesci 10/05/97 (0)

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: What does wind chill mean? : For example consider the following two locations: : Location A Ambient temperature = -10 Wind Chill = -50 : Location B Ambient temperature = -50 Wind Chill = -50 (Calm) : If you stuck a big block of 100 degree aluminum outside in these two locations, : would it cool to 100 - X degrees in the same amount of time at both location? : Does it matter what the intial temperature of the body is, what it is composed of? : Does a wind chill temperature really "feel" as cold in both locations. Is there : any psychophysical evidence of this, or are the wind chill : formulas based on some physical test, like the one described above? : (3) Is it true that beyond a certain wind speed (like 70 mph), stronger winds actually begin to impart thermal energy to the body, and thereby reverse the "wind chill" effect? : (4) Can you freeze water by blowing dry air over it quickly, even if the ambient temperature of the air exceeds 0.
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