On magnetoconvection in a rotating fluid layer of high thermal conductivity |
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| Authors: | D J Acheson |
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| Institution: | (1) Jesus College, Oxford, England |
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| Abstract: | This paper explores the thermal instability of a plane fluid layer rotating rapidly about a vertical axis in the presence of a uniform vertical magnetic field. The thermal diffusivity  is taken to be large compared with the magnetic diffusivity  . For a range of parameters it is shown that an increase of the magnetic field leads to adecrease in the critical Rayleigh number, and two quite distinct physical mechanisms appear to be involved. |
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