[HN Gopher] Microfluidic device erosion reduced with cavitation ...
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       Microfluidic device erosion reduced with cavitation bubbles
        
       Author : wglb
       Score  : 45 points
       Date   : 2022-12-24 01:16 UTC (3 days ago)
        
 (HTM) web link (phys.org)
 (TXT) w3m dump (phys.org)
        
       | dieselgate wrote:
       | This is cool, I've only heard of cavitation in the context of the
       | piston cylinders for the 7.3 idi engine. To mitigate this failure
       | mode in the engine it's important to keep coolant in good shape
       | and maintain an additive. This paper speaks about how cavitation
       | is a widely studied phenomena (news to me!) and they're more
       | interested in the interplay of cavitation bubbles/particles as a
       | whole - fascinating! Applying grooves/textures in the micro
       | fluidic passages are posited as a solution and am curious how
       | that's even possible, but am also wholly unaware on how
       | microfluidic chips are manufactured. Maybe a subtractive chemical
       | process?
        
       | d_tr wrote:
       | > which typically boast the size of a single millimeter and last
       | just one-tenth of a millisecond.
       | 
       | Interesting. I wouldn't have guessed that the bubbles form and
       | collapse so quickly, given their size.
        
       | trynewideas wrote:
       | Could have just asked a hardcore vinyl record collector who
       | spends thousands on ultrasound cavitation album cleaners.
        
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       (page generated 2022-12-27 23:01 UTC)