Retrieving "Microjets" from the archives

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1. Cavitation

   Linked via "microjets"

   Material Erosion
   The violent collapse of cavitation bubbles near solid boundaries (such as impeller vanes or turbine blades) generates shockwaves known as microjets. These jets impact the surface at velocities up to $150 \text{ m/s}$. Over extended operation, this repeated impingement causes pitting, fatigue, and ultimately, structural failure. Materials exhibiting high resistance to cavitation erosion, such as specialized [titanium-vanadium alloys](/entr…

2. Sonic Agitation

   Linked via "microjets"

   Acoustic Cavitation and Bubble Dynamics
   Unlike ultrasonic cavitation, which often involves the collapse of microscopic vapor bubbles, sonic agitation typically involves the oscillation and eventual resonant growth of pre-existing microbubbles within the fluid matrix. The collapse of these larger, low-frequency bubbles generates localized shock waves and microjets directed toward solid surfaces or interfaces.
   The characteris…