Abstract: The temperature separation phenomenon of the Ranque-Hilsch (vortex) tube is not limited to compressible gases and vapors. Theoretical analysis using the Second Law of Thermodynamics establishes ...

Abstract: The onset of the stable laminar secondary flow (hygrocysts) that arises when a partially filled container is rotated about a horizontal axis has been experimentally studied. Nearly 500 sets of ...

Abstract: The three-dimensional banding phenomenon that occurs on the outside of single horizontal rotating cylinders covered with a liquid film was experimentally studied. Over 400 data sets from a variety ...