Singularities in mass-loaded MHD flow - The cometary bow shock

Details Singularities in mass-loaded MHD flow - The cometary bow shock Singularities in mass-loaded MHD flow - The cometary bow shock

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991georl..18.1509k&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 18, Aug. 1991, p. 1509-1512. Research supported by Royal Society.

Physics

8

Bow Waves, Halley'S Comet, Magnetohydrodynamic Flow, Shock Waves, Solar Wind, Giotto Mission, Mach Number, Supersonic Flow

Scientific paper

A 1D model is presented of the mass-loading of the solar wind by cometary ions which predicts a singularity in the mass-loaded flow at M = 2. Further, a subshock occurs when the flow speed reaches a Mach number of about 1.15. The shape of the cometary bow shock in two dimensions is predicted, by requiring that the flow Mach number of the shock is 2, taking the velocity component normal to the shock surface. The Mach number results compare favorably with observations at Comet Halley.

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