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Abstract:

We suggest that the solar corona is stationarily heated by Joule dissipation of magnetohydrodynamic (MHD) turbulence. This turbulence is continuously being fed by subphotospheric convective motions at very low wavenumbers where the plasma can be considered ideal. The cascade process due to the nonlinear interaction of the turbulent modes, effectively transfers energy to even shorter wavenumbers until Joule effect becomes dominant and converts the cascading magnetic energy into heat. Assuming that a stationary spectrum is established, we show that MHD turbulence naturally provides a way of enhancing the Joule dissipation of macroscopic magnetic stresses and a heating rate can be derived. © 1988 Kluwer Academic Publishers.

Registro:

Documento: Artículo
Título:Coronal heating by selective decay of MHD turbulence
Autor:Gómez, D.; Fontán, C.F.
Filiación:Instituto de Astronomía y Física del Espacio, C.C. 67, Suc. 28, Buenos Aires, 1428, Argentina
Año:1988
Volumen:116
Número:1
Página de inicio:33
Página de fin:44
DOI: http://dx.doi.org/10.1007/BF00171713
Título revista:Solar Physics
Título revista abreviado:Sol Phys
ISSN:00380938
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00380938_v116_n1_p33_Gomez

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Citas:

---------- APA ----------
Gómez, D. & Fontán, C.F. (1988) . Coronal heating by selective decay of MHD turbulence. Solar Physics, 116(1), 33-44.
http://dx.doi.org/10.1007/BF00171713
---------- CHICAGO ----------
Gómez, D., Fontán, C.F. "Coronal heating by selective decay of MHD turbulence" . Solar Physics 116, no. 1 (1988) : 33-44.
http://dx.doi.org/10.1007/BF00171713
---------- MLA ----------
Gómez, D., Fontán, C.F. "Coronal heating by selective decay of MHD turbulence" . Solar Physics, vol. 116, no. 1, 1988, pp. 33-44.
http://dx.doi.org/10.1007/BF00171713
---------- VANCOUVER ----------
Gómez, D., Fontán, C.F. Coronal heating by selective decay of MHD turbulence. Sol Phys. 1988;116(1):33-44.
http://dx.doi.org/10.1007/BF00171713