Subjecting a Magnetorheological Fluid to both poles of a magnet?

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SUMMARY

This discussion centers on the behavior of magnetorheological fluids when subjected to opposing magnetic poles. When exposed to a magnetic field, the iron particles within these fluids align, transitioning the fluid from a liquid to a solid state. The inquiry specifically explores the effects of applying both poles of a magnet simultaneously to the fluid, questioning whether this configuration would alter the magnetic field experienced by the fluid. The principles of Ampère's Law are referenced to explain the relationship between current and magnetic fields, particularly in scenarios involving opposing currents.

PREREQUISITES
  • Understanding of magnetorheological fluids and their properties
  • Familiarity with magnetic fields and their effects on materials
  • Knowledge of Ampère's Law and its implications in electromagnetism
  • Basic concepts of magnetic polarity and field interactions
NEXT STEPS
  • Research the properties and applications of magnetorheological fluids
  • Study Ampère's Law in detail, focusing on its applications in magnetic field calculations
  • Explore the effects of magnetic polarity on fluid dynamics in magnetorheological systems
  • Investigate experimental setups for testing the behavior of magnetorheological fluids under varying magnetic conditions
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Researchers, engineers, and students interested in materials science, particularly those focusing on magnetorheological fluids and their applications in various technologies.

ben25x
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Hi, I'm new here, but it seems there are some pretty intellectual people running around.
I was researching magnetorheological fluids, simply because I came across them and thought they were really interesting. I learned that when they are subjected to a magnetic field, the iron particles in them line up and make a crystalline form, changing the fluid from liquid to solid.
However, that is a magnetic field. What if both poles of a magnet (same current in alternate electromagnets) were pointed at the fluid? Would anything happen?

Any help would be very appreciated :smile:.
 
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If you had 2 bar magnets and then pointed them at the fluid, one with the north pole facing and the other with the south pole facing. It would kill the B field a lot.
What does amperes law tell us about B fields. B is proportional to the current enclosed.
If I have 2 current loops on top of each other with their currents in opposite directions, the current enclosed is zero so their is no B field.
 

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