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Diploid
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Registered: 01/09/03
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Cool Demonstration of Laminar Flow
#7629309 - 11/13/07 08:20 AM (16 years, 2 months ago) |
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-------------------- Republican Values: 1) You can't get married to your spouse who is the same sex as you. 2) You can't have an abortion no matter how much you don't want a child. 3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer. 4) We need a smaller, less-intrusive government.
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iateshaggy
i haxor 360s



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Re: Cool Demonstration of Laminar Flow [Re: Diploid]
#7631055 - 11/13/07 03:13 PM (16 years, 2 months ago) |
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does that work w/ a rubix cube?
-------------------- You are a filipina sex goddess who wants to fuck me until I fall asleep, so then you can tickle my balls and see if the legend of my diamond filled nutsuck is true. I am a white man from costa rica, who smells like lime jello.
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PhanTomCat
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Re: Cool Demonstration of Laminar Flow [Re: Diploid]
#7636896 - 11/14/07 07:03 PM (16 years, 2 months ago) |
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Aaaahhh, I have seen this on a Discovery channel program, but had forgotten what it was called.... She used oil and ink in a much smaller vial, and only turned the crank once or twice (till the line was gone)....
I don't understand it, but it's pretty f'n cool....! 
>^;;^<
-------------------- I'll be your midnight French Fry.... "The most important things in life that are often ignored, are the things that one cannot see...." >^;;^<
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PhanTomCat
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Re: Cool Demonstration of Laminar Flow [Re: Diploid]
#7637550 - 11/14/07 09:58 PM (16 years, 2 months ago) |
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How is this thing "stirred"....? I can see corn syrup in what looks like a hollow cylinder shaped vessel, but what is the configuration of the "fin", or whatever is used to agitate or seal off a cross section of the shape....? It would be neat to make one of those, and work out a flow that brings it back perfectly.... 
>^;;^<
-------------------- I'll be your midnight French Fry.... "The most important things in life that are often ignored, are the things that one cannot see...." >^;;^<
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Diploid
Cuban



Registered: 01/09/03
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Re: Cool Demonstration of Laminar Flow [Re: PhanTomCat]
#7637579 - 11/14/07 10:10 PM (16 years, 2 months ago) |
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It's a cylinder in a cylinder. A fin would produce turbulent, not laminar flow.
-------------------- Republican Values: 1) You can't get married to your spouse who is the same sex as you. 2) You can't have an abortion no matter how much you don't want a child. 3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer. 4) We need a smaller, less-intrusive government.
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PhanTomCat
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Re: Cool Demonstration of Laminar Flow [Re: Diploid]
#7637614 - 11/14/07 10:25 PM (16 years, 2 months ago) |
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A smooth surface all around....? Even the inside cylinder....? No special slick materials used on the walls....?
That shouldn't be too difficult to build.... It would be neat to see how cams, or slight oval type shapes effect the flow.... It would also be neat to make a 3D grid shape of ink, somehow.... Just to see it go away, and then see it magically come back from out of the smear.... 
>^;;^<
-------------------- I'll be your midnight French Fry.... "The most important things in life that are often ignored, are the things that one cannot see...." >^;;^<
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PhanTomCat
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Re: Cool Demonstration of Laminar Flow [Re: Diploid]
#7637620 - 11/14/07 10:26 PM (16 years, 2 months ago) |
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Quote:
Diploid said: It's a cylinder in a cylinder. A fin would produce turbulent, not laminar flow.
What about a "fin" that goes all of the way across and seals off the cross section....?
>^;;^<
-------------------- I'll be your midnight French Fry.... "The most important things in life that are often ignored, are the things that one cannot see...." >^;;^<
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Diploid
Cuban



Registered: 01/09/03
Posts: 19,274
Loc: Rabbit Hole
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Re: Cool Demonstration of Laminar Flow [Re: PhanTomCat]
#7637663 - 11/14/07 10:45 PM (16 years, 2 months ago) |
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A smooth surface all around....? Even the inside cylinder....? No special slick materials used on the walls....?
Just smooth plexiglass or anything similar should work, but the clear fluid must have a Raynolds Number below 1.0 or the flow won't be in the laminar regime.
What about a "fin" that goes all of the way across and seals off the cross section....?
Eh?
-------------------- Republican Values: 1) You can't get married to your spouse who is the same sex as you. 2) You can't have an abortion no matter how much you don't want a child. 3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer. 4) We need a smaller, less-intrusive government.
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PhanTomCat
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Re: Cool Demonstration of Laminar Flow [Re: Diploid]
#7638953 - 11/15/07 10:28 AM (16 years, 2 months ago) |
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Now that I have a little better basic understanding of Laminar Flow, the whole fin thing, scratch that from memory.... 

>^;;^<
-------------------- I'll be your midnight French Fry.... "The most important things in life that are often ignored, are the things that one cannot see...." >^;;^<
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