منابع مشابه
Plasma Physics and Numerical Simulations
Plasma is a partially or fully ionized gas. Ionized gas contains free electrons and ions which carry electric charges. Thus, plasma is subject to electromagnetic forces and can react to external electric and magnetic fields. Moreover, since plasma contains free charge carriers, their relative motion can also set internal electric and magnetic fields, which in turn also influence their dynamics....
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In this paper the trapping of high energy particles in solar coronal loops is addressed. Using simulations, the time evolution of electrons and protons trapped in a magnetic bottle is calculated under various scattering conditions and the results compared with loss-cone analysis. Thereafter the case of timedependent injection into a magnetic loop is addressed, and the results compared with prev...
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We present numerical simulations of a model of coupling between a inviscid compressible fluid and a pointwise particle. The particle is seen as a moving interface, through which interface conditions are prescribed. Key points are to impose those conditions at the numerical level, and to deal with the coupling between an ordinary and a partial differential equations.
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Solar flares are generally agreed to be impulsive releases of magnetic energy. Reconnection in dilute plasma is the suggested trigger for the coronal phenomenon. It releases up to 1026 J, accelerates up to 1038 electrons and ions and must involve a volume that greatly exceeds the current sheet dimension. The Ramaty High-Energy Solar Spectroscopic Imager satellite can image a source in the coron...
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Surfaces of planets and small bodies of our Solar System are often covered by a layer of granular material that can range from a fine regolith to a gravel-like structure of varying depths. Therefore, the dynamics of granular materials are involved in many events occurring during planetary and small-body evolution thus contributing to their geological properties. We demonstrate that the new adap...
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ژورنال
عنوان ژورنال: Reports on Progress in Physics
سال: 1993
ISSN: 0034-4885,1361-6633
DOI: 10.1088/0034-4885/56/11/001