Spectral decomposition of solar wind turbulence: Three-component model

Details Spectral decomposition of solar wind turbulence: Three-component model Spectral decomposition of solar wind turbulence: Three-component model

Jun 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aipc..471..519m&link_type=abstract

The solar wind nine conference. AIP Conference Proceedings, Volume 471, pp. 519-522 (1999).

Computer Science

3

Solar Wind Plasma, Sources Of Solar Wind

Scientific paper

Theoretical, observational, and 3D MHD simulation studies suggest the usefulness of models of solar wind fluctuations that consist of two or more components, each of which possesses a certain symmetry property. Here we present an extension of the method used by Bieber et al. to estimate the relative admixture of slab and quasi-two-dimensional fluctuations in a two-component model. In the present case spectral information is preserved, and the method permits extraction of three underlying component spectra from the observed signal. These correspond to a slab spectrum, a two-dimensional spectrum, and a spectrum of ``structures,'' which may be, e.g., velocity shears or pressure-balanced structures. This approach is expected to be useful for comparison of observational data and analysis of numerical simulations.

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