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2. Motion of a solid body in a fluid. Equivalence criterion
Gravimetric concentration is possible thanks to the differences in particle motion in a fluid as a function of the simultaneous action of gravity (or centrifugal force) and one or more other forces, generally resistance to penetration in a more or less fluid medium (gas, water, homogeneous liquid or mixture composed of a fluid and solid particles held in suspension). The motion of a spherical particle in a fluid of low concentration is governed by the free sedimentation equation:
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Motion of a solid body in a fluid. Equivalence criterion
Washability and partition curves – Separation forecasts
