Viscosity in X-ray clusters: Braginskii over 5

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dc.creatorGruzinov, A.
dc.date2006-11-07
dc.date.accessioned2026-07-07T07:30:42Z
dc.date.available2026-07-07T07:30:42Z
dc.descriptionWe argue that it is currently impossible to simulate X-ray clusters using correct equations, because even the MHD description is not applicable. But since fluid simulations actually reproduce observations quite well, one may try to improve the fluid codes by including molecular transport of heat and momentum. We calculate the effective molecular viscosity for the simplest model of magnetic field and obtain 1/5 of the Braginskii value, similar to 1/3 of Spitzer for the heat conduction. This is large enough to noticeably damp the X-ray cluster turbulence.
dc.description4 pages
dc.identifierhttps://arxiv.org/abs/astro-ph/0611243
dc.identifierhttp://arxiv.org/abs/astro-ph/0611243
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/118494
dc.subjectAstrophysics
dc.titleViscosity in X-ray clusters: Braginskii over 5
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