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Ramblings on thermodynamics...

Ramblings on thermodynamics... - Physics Forum

Ramblings on thermodynamics... - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.


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  #1  
Old 09-22-2004, 05:10 AM
John
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Default Ramblings on thermodynamics...



so i was thinking about.. why the wind blows. and the thought occured
to me that the wind blows becasue of differences in the density of
air. and the density differences come from temperature differences.
the colder areas of air will be denser than the warmer areas. because
the cold areas are denser, they are also more compressed. the atoms
in denser air are closer together. the atoms in warmer air are less
dense because they are vibrating faster, forcing themselves to
seperate. this constant vibration forces warm air outward therebye
enteracting with areas of cooler air. this is what causes wind. the
rush of warmer areas of air into areas of colder air. It then occored
to me that this was also what we call the law of thermodynamics.
entropy. the tendency for systems to go from a state of order to
dissorder. movement cannot be negative.. atoms MUST move. there is no
absolute zero or zero atomic movement. atoms WILL vibrate. they will
move away from each other and eventually attain a completly
dissordered state. is this a deeper understanding of why the wind
blows. i picture the earths atmosphere as the sufrace of a cup of
coffee after cold creamer has been poured in. the swirls i liken to a
hurricane or other vortex tyep weather phenomenon.. even a hi pressrue
system. i see the creamer as being the high pressure system. a large
area of cooler fluid in a surrounding area of warmer fluid. but why
does it spiral? is this some kind of order that arises from very
small scale events.. things that are happening at the atomic level?
is it anything to do with the energy imparted or lost by more excited
(warmer) atoms when they interact with less excited (cooler) atoms?
it also occors to me that thermodynamcs has been linked with the flow
of time. time is a result of the fact that systems tend to go from a
state of order to a state of dissorder. so where am i going with this
exactly? i was simply amazed at the series of connections that were
possible. the progression of thought from one conclusion to the next.
even if incorrect on any scientific level, at least correct on a
logical level. connections can be made between common every day
phenomenon and actual theories. actual explanations. quantifiable.
my point is that this "logical path" was very aparent at the time. i
could see the connections between the different pieces of the puzzle
and how they fit together to form a more holistic view of nature.
........So. how off is this? this was just a thought process and i
wanted to write it down.. but how correct is it?
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  #2  
Old 09-22-2004, 05:25 AM
Morituri-Max
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Default Ramblings on thermodynamics...

John wrote:

beats me... i saw this huge ungodly think called a run on sentence from hell and
didn't read it.. sucks don't it?

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  #3  
Old 09-22-2004, 01:40 PM
N:dlzc D:aol T:com \(dlzc\)
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Default Ramblings on thermodynamics...

Dear John:

"John" <[Only registered users see links. ]> wrote in message
news:edcbddef.0409212110.748a14b8@posting.google.c om...
....

.... and variations in humidity. Moist air is less dense than dry air.

....

Have another beer.

David A. Smith


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