Vet det, men ultralyd omdanner mange små bobler til flere store, her fra Hielscher "When sonicating liquids, the sound waves that propagate from the radiating surface into the liquid media result in alternating high-pressure (compression) and low-pressure (rarefaction) cycles, with rates depending on the frequency. During the low-pressure cycle, the ultrasonic waves can create small vacuum bubbles or voids in the liquid. The large number of small bubbles generates a high total bubble surface area. The bubbles are also well distributed in the liquid. Dissolved gas migrates into these vacuum (low pressure) bubbles via the large surface area and increases the size of the bubbles."
Har ikke fat selv.
Sent from my iPhone using Tapatalk