Quote:
Originally Posted by bobo5195
The flow is definitely connected to the wall in impinge jet flow. It sticks to it. You can actually derive the flow patterns by using analytical solutions of the navier stokes equation.
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I don't have beer at this time so i won't answer all but only this one first. You read wrong. I wrote that the jet itself is not connected to the baseplate. if you could beam some heat up from the baseplate into the tube of the jet (which of course has to be made of copper too in that case) you can effectively use the jets surface and the turbulant flow inside as dissipating area.
Quote:
Originally Posted by BGP Spook
Please forgive me for butting in and posting about the off topic.
With some slight modification to that design idea I could see it being reasonable to produce.
As you said, "This is not a block design, only an illustration..." but I could see it becoming a block design without undue trouble and tweaking. It would still require a CNC machine though; so it would not be too practical.
I have had somewhat similar ideas before but never bothered to follow up on it. Other interests always get in the way, and I don't have access to a CNC machine.
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Interesting that you thought of this way too. Actually a friend of mine told me about a similar idea long ago, so it is not 100% mine idea, i just pursue the goal of finding a block design whith lots of turbulence and dissipating surface which has its restrictivity only direct inside the Block where it can be of greater use and not in some plastics with jets inside.
Thats right, it is possible to manufacture, but i can't mill it on my 3 axis CNC, i need at least a 4-axis cnc to make a very simple version. I could mill the Top on a CNC machine and center punch the holes and then mill it on a manual machine. I just have to mount it on the millingtable 45°rotated around the y-achsis and need a mill which can be adjusted to the side that i can drill the holes in an angle of 60 or 70°. Then mount 180° rotaded and drill the connecting holes from the other side. a little countersinking should reduce pressuredrop. I would go for a 20*20mm surface with 32x 2mm V-Channels (64 holes) and 2*7mm distributing Channels in the top to the V-holes. The flow and water distribution should be absolutely even in every V-Channel when machined correctly.
That block would sure be something really new and the more i think about it the more potential do i see in it...