Subject:
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Re: Darn those definitions (was: The new Super Car)
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 6 Aug 1999 17:26:18 GMT
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Original-From:
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John A. Tamplin <jat@liveonthenet.%StopSpammers%com>
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Viewed:
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1111 times
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On Fri, 6 Aug 1999, John A. deVries II wrote:
> Wrong-o. Sorry to be flameish about this, but generally speaking
> (approximately) four states of matter are accepted: solid, liquid, gas and
> plasma. Liquids and gases have fairly distinct differences having to do
> with the degree of inter-particle forces.
>
> For what it is worth, however, they may have been thinking of what is
> usually considered a "suspension", in other words, a dash-pot in
> conjunction with a spring. Now, in this case, a dash-pot (basically a
> cylinder with a hole in the piston) can use either liquids or gases because
> both have a measurable viscosity which is what gives them a "linear
> resistance" characteristic.
Sorry, but air is indeed considered a fluid in fluid dynamics. The flow
patterns of any fluid obeys the same general principles, whether it be
air, water, oil, etc.
You may very well argue that hydraulics implies not just a fluid but a
liquid, but you can't argue that air isn't a fluid.
John A. Tamplin Traveller Information Services
jat@LiveOnTheNet.COM 2104 West Ferry Way
256/705-7007 - FAX 256/705-7100 Huntsville, AL 35801
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message is in Reply To:
 | | Darn those definitions (was: The new Super Car)
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| (...) Wrong-o. Sorry to be flameish about this, but generally speaking (approximately) four states of matter are accepted: solid, liquid, gas and plasma. Liquids and gases have fairly distinct differences having to do with the degree of (...) (25 years ago, 6-Aug-99, to lugnet.robotics)
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