Central recirculation zones and instability waves in internal swirling flows with an annular entry

• Published in: Physics of fluids (1994) Vol. 30; no. 1
• Main Authors: Wang, Yanxing, Yang, Vigor
• Format: Journal Article
• Language: English
• Published: Melville American Institute of Physics 01.01.2018
• Subjects: Axisymmetric flow; Boundary layer; Computational fluid dynamics; Computer simulation; Cylindrical chambers; Dependence; Finite element method; Flow stability; Fluid dynamics; Fluid flow; Galerkin method; Instability waves (fluids); Linear analysis; Modal choice; Physics; Reynolds number; Rotating bodies; Shear flow; Swirling

The characteristics of the central recirculation zone and the induced instability waves of a swirling flow in a cylindrical chamber with a slip head end have been numerically investigated using the Galerkin finite element method. The effects of Reynolds number as well as swirl level adjusted by the...