Magnetorheological Damper
While doing research online, I came across this device - basically an automobile shock absorber that utilizes electromagnetic force and a magnetically
responsive fluid (rather akin to ferrofluid, but apparently not quite the same).
What I'm wondering is, how exactly do these work?
All I can find is that there is a change in viscosity when the magnetic field, but how does this change absorb force or energy - is it simply that the
thicker fluid absorbs more, or must it be continuously varied?
In addition, what kind of scale of force absorbed can these things do - no papers I've read say anything, so it could be anything from a few newtons
to a few kilonewtons.
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