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does CAE model 2 phase fluid flow and light reflections?

  • Brian White
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14 years 6 months ago #4817 by Brian White
I made something called a pulser pump. It is a simple pump and I thought it had 3rd world applications. I made a prototype 20 years ago. (It still works) It is based on low pressure tromp combined with low pressure airlift. In low pressure airlift, plug flow predominates and it ends up being more efficient than it "should" be. "Real" airlift pumps use bubble flow which is quite different.
There have been other people make it and a tiny model was tested in Queens university, Ontario this spring but it is slow going.
I am still the only person who has real figures out there for how wel; it works.
Anyway, I never had a water source big enough to test it on a large scale. Perhaps your software can do it?
The other thing is solar cookers. "for unattended cooking".

The "cookit" is used in refugee camps in sunny places all round the world. I wanted to design a better solar cooker so I modeled the sun with a laser pointer on a t square over a model of the reflector and the target. The laser shines down and I adjusted little mirrors (about 50 of them stuck on clay) until all the light bounced off the mirrors to hit the target over 30 degrees of "sun" travel.(about 2 hours) The "claymation" model was clam shaped and the clam was alligned with the path of the sun AND the target was high up, not low down like the pots in the cookit. Could anyone do this test with your software? Nobody has tested my design idea or my design and it became clear back in February that it was a sound idea. Potentially this is 5% or 10% more powerful than the cookit. Maybe even more. So why is there the refusal to test it?
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14 years 6 months ago #4821 by kwou
Hoi Brian

we could set up a calculation here. If you provide us with some details regarding geometry, material and what is needed more.

Kind regards - kees

Interest: structural mechanics, solar energy (picture at 'my location' shows too little pv panels)

--
kind regards - kees
  • Brian White
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14 years 6 months ago #4823 by Brian White
The pulser pump is at

and the website with the most detailed info about it is nxtwave.tripod.com/gaiatech/pulser/
(I doubt that you have 2 phase fluid flow in your equations) and 2 phase flow is still being researched.) But maybe I am happily wrong.
The other one should be easier. Solar design t-square and clam shaped solar cookers.solarcooking.wikia.com/wiki/Clam_shaped_...s_for_unattended_use
I made several models and more detail can be seen at solarcookers.ning.com/photo/albums/solar-design-tsquare
Hopefully that will help
Thanks
There was actually a prior guy working on reflectors for unattended use. Bill Gross did a thing that looks like a flower with "4 tuba like horns" but I think it was only a computer simulation and picture. He abandoned it because it did not suit his needs. (He was not solar cooking!)
It did not have the same parameters as the things I made but I think it shows that the "right" solution to making a good solar cooker for unattended use might not be intuitive and might not be what we expect.
Unfortunately, very few people in the field take this seriously so comparison testing has not been done
Brian<br /><br />Post edited by: Brian White, at: 2010/10/08 07:12
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