[AT] Carburetor Icing (Off Topic)

[Gene Dotson]

    Radiators are cooled by convection. Convection is the transfer of heat 
by a moving median, and can be air, water, oil or any other means that will 
transport the heat away from the source.
    I too hesitated on responding to this thread, but so much misinformation 
has been posted that I hoped I could enlighten a few by some simple 
descriptions, as in my first post. Others are citing sites that are saying 
the same thing as I said.
    Incidently, there is no such thing as cold. The term "cold" is a 
relative term and indicates less heat is present
    Funny how some can completely ignore facts when they disagree with their 
preconceived notions!!!!!

                        Gene


----- Original Message ----- 
From: "Mattias Kessén" <davidbrown950 at gmail.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Sunday, December 09, 2007 2:25 PM
Subject: Re: [AT] Carburetor Icing (Off Topic)


> the difference is one is a live object the other one is dead. this gives
> that the live object has it's own heating trying to keep it at 37 degrees 
> C
> (somewhere below a 100 F I'll stick to C because that's the most natural
> when we talk about freezing points, though the freezing is irrelevant when
> talking chilling or heating and that's what we're doing, huh?) If you on 
> the
> other hand have a dead object like a motor it becomes more like a live
> object when firing it up. It will try to reach a certain temperature, in
> most cases you will have to cool it. When cooling most radiators uses the
> wind chill effect, if not plese explain what that fan is doing there 
> behind
> the radiator?
>
> Some hasty thoughts, cause I don't really want to particapate in this 
> mess,
> But many have been comparing apples with oranges and many have been wrong
> and many right, so am I.
>
> Mattias
>
>
> 2007/12/9, JTakemoto at wildblue.net <JTakemoto at wildblue.net>:
>>
>> I can see why this subject is so confusing after looking up wind chill I
>> found this.
>>
>> 1.  According to the new NWS Wind Chill Chart, if the temperature is 0
>> degrees Fahrenheit and the wind is blowing at 15 mph, the wind chill is
>> -19 degrees Fahrenheit. This means that without any wind (actually a 3 
>> mph
>> wind or a 3 mph walking rate), the rate of heat loss would equal that of
>> outside air at -19 degrees Fahrenheit. At this wind chill temperature,
>> exposed skin can freeze in 30 minutes. For other conditions of wind and
>> temperature, check out the new NWS Wind Chill Chart and Calculator.
>>
>> So much for the chilling effects of wind and cold temperatures on human
>> skin. What about the effect of wind chill on things like car radiators or
>> exposed water pipes?
>>
>> 2.  Because wind chill is based on removing heat from the human body,
>> there is no wind chill for inanimate objects, such as car radiators and
>> water pipes. However, there is a faster heat loss with increasing winds,
>> so the amount of time for an object to cool to the actual air temperature
>> is less. Regardless, the inanimate object cannot not cool below the 
>> actual
>> air temperature. Thus, if the temperature outside is -5 degrees 
>> Fahrenheit
>> and the wind chill temperature is -31 degrees Fahrenheit, then your car's
>> radiator will not drop lower than -5 degrees Fahrenheit.
>>
>> Now if that isn't confusing then I sure don't know what it.
>>
>> According to this a Human body can freeze in 40 degree weather but a car
>> radiator can't do the same thing by having  wind blowing across the body.
>> Now i ask what is the difference between a radiator and your body when it
>> comes to  wind blowing across it.
>> According to this I guess it won't freeze a dead body only a live one.
>>
>> Well I give up let the expert figure it out.
>> J.
>>
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