http://www.cnr.it/ontology/cnr/individuo/prodotto/ID168034
Heating the solar wind by a magnetohydrodynamic turbulent energy cascade (Articolo in rivista)
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- Heating the solar wind by a magnetohydrodynamic turbulent energy cascade (Articolo in rivista) (literal)
- Anno
- 2008-01-01T00:00:00+01:00 (literal)
- Alternative label
Marino, R; Sorriso-Valvo, L; Carbone, V; Noullez, A; Bruno, R; Bavassano, B (2008)
Heating the solar wind by a magnetohydrodynamic turbulent energy cascade
in The astrophysical journal. Letters (Print)
(literal)
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- Marino, R; Sorriso-Valvo, L; Carbone, V; Noullez, A; Bruno, R; Bavassano, B (literal)
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- ISI Web of Science (WOS) (literal)
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- [Marino, R.; Carbone, V.] Univ Calabria, Dipartmento Fis, I-87036 Arcavacata Di Rende, CS, Italy; [Sorriso-Valvo, L.; Carbone, V.] CNR, INFM, LICRYL, I-87036 Arcavacata Di Rende, CS, Italy; [Bruno, R.; Bavassano, B.] INAF, IFSI, I-00133 Rome, Italy; [Noullez, A.] Observ Cote Azur, F-06304 Nice, France (literal)
- Titolo
- Heating the solar wind by a magnetohydrodynamic turbulent energy cascade (literal)
- Abstract
- Solar wind plasma is known to cool down more slowly while it is blown away from the Sun than expected from an adiabatic spherical expansion. Some source of heating is thus needed to explain the observed temperature radial profile. The presence of a nonlinear turbulent magnetohydrodynamic energy cascade has been recently observed in solar wind plasma. This provides for the first time a direct estimation of the turbulent energy transfer rate, which can contribute to the in situ heating of the wind. The value of such contribution is shown to represent an important fraction ( from 5% to 100%) of the total heating, and is strongly correlated with the wind temperature. (literal)
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