Pulse Technology of Water Pump

Ultrasonic wave is a sound wave above 20khz, that is, 20,000 times per second and 1.2 million times per minute. It is impossible to achieve 1.2 million times per minute purely by plunger pump.

Panasonic is ...... said that the thick and thick Laval nozzle increases the water flow speed and the water pressure decreases. Under the saturated vapor pressure, the dissolved gas in the water will precipitate into small bubbles, and a large number of small bubbles can achieve the impact effect of breaking more than 20,000 times per second (in fact, I am also curious about how to prove it).

The MD-20 of OLEB only said that it was a live oxygen punch, and he didn't dare to say ultrasonic. Some people said that there was a side hole on the water level line of the water pipe, which was mixed with the help of Venturi effect, but the small bubbles would fuse into large bubbles, right? There is no guarantee that the number of bursts will reach the ultrasonic level.

Error correction is that after the flow rate of water increases, according to Bernoulli's law, the pressure of water will drop, and then lower than the saturated steam pressure, the liquid phase of water will change to the gas phase, and then return to the normal flow rate and pressure, the bubble will burst, will produce a jet of thousands of kilometers per hour, so there is a cavitation effect... Excerpted from the submarine propeller cavitation phenomenon commentary video.

But to be honest, I don't know how to prove it. Midea's imitation SPA ultrasonic dental punch has thick and thick Laval nozzles, but it used the SGS test report to say that it reduced the plaque index 6.5% for 28 days, and didn't see the ultrasonic test report? Panasonic's is also the SGS report, but the number has not been given ~ ~

There are many on the market, the quality and water pressure of the pump are more critical.

It's quite clean.