Centrifugal separation of a mixture

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Abstract
In this review, we shall present a survey about recent developments in the understanding of the separation of a mixture in a rotating vessel. Based on the first principles of fluid dynamics and earlier substantial results concerned with gravity settling, recently a great variety of investigations has been published for different centrifugal devices and ranges of parameters. We shall summarize the results and provide a general view about their validity and practical applications. Finally, we shall outline possibilities for further theoretical and experimental research that is stimulated by new phenomena. Even though the theoretical results are restricted to monodisperse, Newtonian suspensions, consisting of small spherical particles freely suspended in a clear fluid, and bulk settling, the results and the physical insight gained can be applied to many industrial problems like continuous separation and filtration in centrifuges.