Momentum Distribution in Solar Flare Processes

Details Momentum Distribution in Solar Flare Processes Momentum Distribution in Solar Flare Processes

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012soph..277...77h&link_type=abstract

Solar Physics, Volume 277, Issue 1, pp.77-88

Physics

3

Solar Flare

Scientific paper

We discuss the consequences of momentum conservation in processes related to solar flares and coronal mass ejections (CMEs), in particular describing the relative importance of vertical impulses that could contribute to the excitation of seismic waves ("sunquakes"). The initial impulse associated with the primary flare energy transport in the impulsive phase contains sufficient momentum, as do the impulses associated with the acceleration of the evaporation flow (the chromospheric shock) or the CME itself. We note that the deceleration of the evaporative flow, as coronal closed fields arrest it, will tend to produce an opposite impulse, reducing the energy coupling into the interior. The actual mechanism of the coupling remains unclear at present.

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