[Paper Review] When a Microbubble Burns Like a Star — Keller–Miksis and the Secondary Bjerknes Force
·6 min read
A 5 μm bubble has a Minnaert frequency near 650 kHz. At 0.1 R_E and n=1.4 the polytropic gas pressure is about 20,000 atm.
Water Boils at 20°C Too — The Physics of Cavitation
·6 min read
At 20°C vapor pressure is 2.34 kPa. If a venturi throat drives static pressure under that line, water boils and the cavitation number turns negative.