Re: The things people build out of PVC nowadays...

In article <m2mzm5mm92.fsf@xxxxxxxxxxxxxxxxxxxxx>,
Ingvar <ingvar@xxxxxxxxxxxxx> wrote:

>"Mike Andrews" <mikea@xxxxxxxxxxxx> writes:
>
>> Andrew Nicholson <andrewn@xxxxxxxxx> wrote:
>>
>> > What all this has to do with flooding satellite dishes is left as an
>> > exercise for the PFY. Fluid mechanics suck. The person who said
>> > the traffic flow was like fluid in a pipe had no idea what he was
>> > talking about.
>>
>> Ah, but he did. Traffic is a _compressible_ fluid, and you wind up
>> with turbulence, shock waves, standing waves, traveling waves, and
>> other unexpected phenomena. It's even worse than ordinary gases, since
>> the particles in traffic occasionally do collide in the pipe, and stop
>> in such a way as to block the particles behind them. Think of them as
>> instantaneously-appearing obstacles.
>
>I find it interesting that fluid dynamics is the modelling of choice
>for tungsten penetrators through armoured steel. Imagine a force/speed
>regime where armoured steel is "just another fluid"!

Cue the "Good Morning Neverland" story again.[1]

Chris.
[1] www.rumil.de/holt/story/neverland.html

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