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Effect of magnetic field on the time-dependent flow due to a disk with non-torsional oscillation and a Newtonian fluid at infinity rotating about distinct axes

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Abstract

This work aims to study the effect of magnetic field on the time-dependent flow of an insulated disk executing non-torsional oscillation in its own plane and a Newtonian fluid at infinity while they are initially rotating at the same speed about two vertical axes. It is shown that the presence of a magnetic field causes a resistive force and the required time to reach the periodic state becomes shorter. Further, it is demonstrated that there is an excellent agreement between the exact solution that is appropriate for all values of time and the periodic solution that is valid after the periodicity of the flow starts.

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Acknowledgements

The author would like to express his sincere thanks to the referees for their valuable comments and suggestions.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Yildiz Technical University, 34349, Istanbul, Turkey

    H Volkan Ersoy

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  1. H Volkan Ersoy
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Correspondence to H Volkan Ersoy.

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Ersoy, H.V. Effect of magnetic field on the time-dependent flow due to a disk with non-torsional oscillation and a Newtonian fluid at infinity rotating about distinct axes. Sādhanā 44, 152 (2019). https://doi.org/10.1007/s12046-019-1132-y

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  • DOI: https://doi.org/10.1007/s12046-019-1132-y

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