Article

Proceedings of the Indian Academy of Sciences - Section A

, Volume 59, Issue 5, pp 269-284

Flow of an electrically conducting non-newtonian fluid between two rotating coaxial cones in the presence of external magnetic field due to an axial current

  • D. K. Mohan RaoAffiliated withDepartment of Applied Mathematics, Indian Institute of Science
  • , P. L. BhatnagarAffiliated withDepartment of Applied Mathematics, Indian Institute of Science

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Abstract

Bhatnagar and Rathna (Quar. Journ. Mech. Appl. Maths., 1963,16, 329) investigated the flows of Newtonian, Reiner-Rivlin and Rivlin-Ericksen fluids between two rotating coaxial cones. In case of the last two types of fluids, they predicted the breaking of secondary flow field in any meridian plane. We find that such breaking is avoided by the application of a sufficiently strong azimuthal magnetic field arising from a line current along the axis of the cones.