Induction of Rhythmic Flow with a Vertical Magnetic Force

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The effect of a magnetic field (\mbi{B}\leq 4 T) on a salt-water oscillator composed of a paramagnetic gadolinium chloride solution (\rho = 1.03\times 10^{3} kg/mL; inner vessel) and a diamagnetic sodium chloride solution (\rho = 1.06\times 10^{3} kg/mL; outer vessel) linked by a small orifice at the bottom of the inner vessel was studied. Since the low-density solution was placed on the high-density solution, no oscillation occurred without applying a magnetic field. By applying a magnetic field (2--4 T), a rhythmic flow (periodical downward flow or upward flow) was induced under a gravitationally stable condition, the effect of which was in qualitative agreement with numerical computations.
2013-03-15