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- W2247376729 abstract "We investigate a possibility of heating of the loops and other closed magnetic structures in active regions of the solar corona by the flow of solar wind (plus other flows that may be present) across the magnetic field lines (that are perpendicular to the flow), in a similar manner as a conventional MHD generator works. A simple model is formulated which allows to calculate the typical currents generated by this mechanism. This enables to make a judgement whether the loops in solar active regions can be heated by the proposed mechanism through the associated Ohmic dissipation. It is shown that even if the heating region width is of the order of a few proton Larmor radii (this effectively means that a loop is represented by {it nano-threads}, by analogy with the nano-flare coronal heating mechanism, with width of a few proton Larmor radii) and the plasma flow speed is 50 km s$^{-1}$ then only about 1% of the heating requirement of coronal loops could be met under this conjecture. Other implications of the model, such as a predicted spatial heat distribution along the loop as well as application of the model to the other places e.g. chromosphere and corotating interaction region structures in the solar wind are discussed." @default.
- W2247376729 created "2016-06-24" @default.
- W2247376729 creator A5036105477 @default.
- W2247376729 date "2005-03-31" @default.
- W2247376729 modified "2023-09-27" @default.
- W2247376729 title "The Sun as a MHD generator: a new heating mechanism for the coronal loops and closed magnetic structures?" @default.
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- W2247376729 hasPublicationYear "2005" @default.
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