Dissemination of IT for the Promotion of Materials Science (DoITPoMS)

DoITPoMS Teaching & Learning Packages Powder processing Stokes law
Powder processing AimsBefore you startIntroductionPowder particles in a fluid streamParticle size measurement by light scatteringParticle impact on substratesCase study - thermal sprayingPassage of particles through filterDiesel particulate filtersPowder consolidation by cold pressing and sinteringSummaryQuestionsGoing further
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Stokes law

Stokes law can be written

Fdr = 3 πdηu

                                                                                                                       
where d is the particle size, u  is the relative velocity and η is the viscosity of the fluid.

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