34th Solar Physics Division Meeting, June 2003
Session 6 Solar Wind and Heliosphere
Poster, Monday, June 16, 2003, 3:30-5:00pm, Mezzanine

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[6.06] Numerical simulations of wave-particle interactions in coronal heating and solar wind acceleration

M. Velli, P. C. Liewer, B. E. Goldstein (Jet Propulsion Laboratory)

We present hybrid simulations of the interaction of Alfvén and ion cyclotron waves with protons and helium in the accelerating solar wind using the expanding box model. We study how mirror force and wave-particle interactions compete in shaping the distribution function both for protons and minor ions for a range of initial fluctuation spectra and propagation directions, and attempt to couple the results back into a self-consistent solar wind acceleration model. The simulations are discussed within the context of analytical and numerical models of the evolution of MHD turbulence in the outer corona and accelerating solar wind, with the aim of constraining the possible initial conditions leading to the observed in situ evolution.


The author(s) of this abstract have provided an email address for comments about the abstract: velli@arcetri.astro.it

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Bulletin of the American Astronomical Society, 35 #3
© 2003. The American Astronomical Soceity.