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Author Topic: Looped fountain - Possible ? - Simulator recommendations ?  (Read 889 times)

Offline unsure

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  • Posts: 21
Looped fountain - Possible ? - Simulator recommendations ?
« on: October 29, 2020, 01:35:01 AM »
Looped fountain - Possible ?

- Simulator recommendations ?

Using an old version of the powder-toy simulator, I had no success with this incredibly simple design, in the image below.

Obviously I'm just trying to use lots of water pressure, from the depth of the big tank, to loop the water.

However, if you look closely, you'll see I also tried to widen the exit nozzle at the top, to try and decrease the 'surface-tension' that might prevent the water from leaving the nozzle.  (  even though I'm more than sure that this old version of the powder-toy simulator I use does not simulate surface tension at all ) .

I read somewhere that the reason  'Robert Boyle's Flask' ( https://en.wikipedia.org/wiki/File:Boyle%27sSelfFlowingFlask.png ) won't work is because of the surface-tension at the nozzle of the end of the hose feeding water back into the top of the flask.
However, the wikipedia page for Robert Boyle ( https://en.wikipedia.org/wiki/Robert_Boyle  ) says it won't loop because
"a siphon requires its "output" to be lower than the "input".

It seems this old version of the powder-toy simulator I use is very bad or incapable of simulating water pressure in the tank, which may be why it does not work.

If this would work, then hydroelectric-dams could have pipes to loop the water back into the dam above, or, you could run pipes from the depths of the ocean up to the surface to spin generators.

ANYONE HAVE ANY SIMULATOR RECOMMENDATIONS,    ONES WITH  'GOOD'  "LIQUID - WATER - PRESSURE"   SIMULATION.    HOPEFULLY ONLINE / IN-BROWSER SIMULATION,  RATHER THAN INSTALLATION REQUIRED SOFTWARE .


Offline SolarLab

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  • Posts: 190
Re: Looped fountain - Possible ? - Simulator recommendations ?
« Reply #1 on: October 29, 2020, 02:36:37 AM »
Hi unsure,
ANSYS - (several free student packages as well as professional versions), GUI, etc.;
COMSOL - (more general but you can change their formulas or enter your own - good GUI, etc.)
SOLIDWORKS - (some good physics and simulation).
Also you might consider using these through a cloud service online.
A bit of a learning curve if your not familiar with CAD/CAE/CAM but probably worth the effort in the long run.
Regards,

SL

Offline Thaelin

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  • Posts: 1042
Re: Looped fountain - Possible ? - Simulator recommendations ?
« Reply #2 on: October 29, 2020, 04:00:18 PM »
Actually Grumage of OUR has one in his back yard. I does run as long as the water level is kept. But just barley and any load at all stops. His words. But hey, its a start.