Features of the appearance of secondary flows outside of a permeable cylinder rotating in a limited space
DOI:
https://doi.org/10.23877/MS.TS.39.005Keywords:
liquid, permeable cylinder, turbulence, vortexAbstract
The flow of liquid outside of the revolved permeable cylinder with the channel of liquid through his side is considered. The analysis of flow features is made on the base of numerical solution of Reynolds averaged Navier - Stocks equations closed with SST k −ω turbulence model. It is rotined that the the turbulization of boundary layer on the surface of rotating cylinder and layer’s thickness rising up to values close to the annular domain’s height precedes the macro-vortex appearance. At that the centrifugal instability conditioned by secondary flows developing along the full height of annular domain, not within the thin laminar boundary layer.
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References
Kovalenko V.P. Lubricating and hydraulic oils for the coal industry: A Handbook / V.P. Kovalenko, Z.L. Finkelstein. - M.: Nedra, 1991. - 294 p.
Khalatov A.A. Heat transfer and hydrodynamics in the fields of centrifugal mass forces: in 4 tons / A.A. Khalatov, A.A. Avramenko, I.V. Shevchuk. - Kyiv: Institute of Tech. Thermophysics of the National Academy of Sciences of Ukraine, 1996. - V.2: Rotating systems. - 289 p..
Taylor G.I. Stability of a viscous liquid contained between two rotating cylinders / G.I.Taylor // Phil.Trans.Roy. Soc.London.A.- 1923.- V.223.- P. 289 − 343.
Coles D. Transition in circular Couette flow / D.Coles // J.Fluid Mech.- 1965-V.21.- P.385 − 425.
Thermogasdynamics of complex flows near curved surfaces / [A.A.Khalatov, I.V.Shevchuk, A.A.Avramenko et al.]. - Kyiv: In-t tekhn. Thermal Physics of the National Academy of Sciences of Ukraine, 1999.- 300 p.
Mochalin E.V. Fluid motion in the vicinity of a rotating permeable cylinder / E.V. Mochalin // Bulletin of the Khidnoukrainian National University. - 2003.- No. 12(68), Part 2.- P. 197 − 202..
Khalatov A.A. Heat transfer and hydrodynamics in the fields of centrifugal mass forces: in 4 tons / A.A. Khalatov, A.A. Avramenko, I.V. Shevchuk. - Kyiv: Institute of Tech. Thermophysics of the National Academy of Sciences of Ukraine, 1996.- Vol. 1: Curvilinear flows. - 290 p.
Mochalin E.V. Hydrodynamic stability in the working cavity of a rotary filter / E.V. Mochalin // Industrial hydraulics and pneumatics. - 2005. - No. 4 (10). - P. 50 − 54.
Mochalin E.V. Numerical modeling of viscous fluid flows in the working cavity of a rotary filter / E.V. Mochalin // Sat. scientific Proceedings of DonSTU.- Alchevsk: DonSTU, 2007.- Issue. 23.- P. 169 − 183.
Mochalin E.V. Selection of a turbulence model for the analysis of the flow outside a rotating permeable cylinder / E.V. Mochalin // Eastern European Journal of Advanced Technologies. - 2007. - No. 2/6 (26).
Numerical modeling of vortex heat transfer intensification in tube bundles: / Yu.A. Bystrov, S.A. Isaev, N.A. Kudryavtsev, A.I.
