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Newsgroups: alt.religion.kibology
From: Adam Funk <a24...@ducksburg.com>
Date: Sun, 01 Apr 2012 21:13:37 +0100
Local: Sun, Apr 1 2012 4:13 pm
Subject: Re: another weird physics question
On 2012-04-01, David DeLaney wrote:
> J. Waldby <wichitajayha...@REMOVETHISmsn.com> wrote:
Isn't gross transfer Q from body 1 to body 2 proportional to (T_1)^4,
>>Adam Funk wrote: >>> Following the one about the idea that forces are proportional to >>> 1/(r^2) because there are 3 spatial dimensions: is there any similar >>> explanation for why radiation from one body is proportional to T^4? >>Can you bring me up to speed? What is T here? Also, are we talking > T is the temperature, though technically you get that it's the difference
so *net* transfer from body 1 to body is proportional to (T_1)^4 - (T_2)^4
where T is absolute temperature? (Let's be honest: I'm trying to
> This is, in part, why it's so much more dangerous to be
I thought convection was the most important form of heat transfer from
> out in zero-degree weather than in 30-degree weather (Fahrenheit, fondly), > and so much more dangerous again to be out in -30 -degree weather; if you > double the temperature difference, heat loss by radiation goes up by a factor > of 16. (Of course for weather, convection & conduction also play large parts.) the human body in a cold environment. -- You must Sign in before you can post messages.
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