Maximum Water Velocity without Creating Vortex
Maximum Water Velocity without Creating Vortex
(OP)
Hi,
I have a "feature pool", which we do not want ripples on the surface of due to water circulation.
Can anyone advise what the maximum water surface velocity should be, to ensure no "ripples" occur. Also, what the maximum water velocity of the suction ports should be, to ensure a vortex is not created (little wirl pools wouldn't go down to good).
Cheers,
I have a "feature pool", which we do not want ripples on the surface of due to water circulation.
Can anyone advise what the maximum water surface velocity should be, to ensure no "ripples" occur. Also, what the maximum water velocity of the suction ports should be, to ensure a vortex is not created (little wirl pools wouldn't go down to good).
Cheers,





RE: Maximum Water Velocity without Creating Vortex
RE: Maximum Water Velocity without Creating Vortex
The formation of a vortex is difficult to predict for all but the simplest configurations, as it involves multi-dimensional, rotational flow. The remedy is often found by inserting fluid flow friction that dissipates the rotational tendencies. In a small pool, placing baffles by experiment could be used, or the fliud space could be filled with porous media (say, stainless steel wool) to kill the rotational momentum. If the fill is kept just below the surface, you can approach the "stillness" that you are looking for.