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

Khabibrakhmanov, IK; Coates, AJ; Galinsky, VL; (1991) Singularities in mass-loaded MHD flow: The cometary bow shock. Geophysical Research Letters , 18 (8) 1509 - 1512. 10.1029/91GL01560. Green open access

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Abstract

We present a one-dimensional model 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 M almost-equal-to 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 favourably with observations at comet Halley.

Type: Article
Title: Singularities in mass-loaded MHD flow: The cometary bow shock
Open access status: An open access version is available from UCL Discovery
DOI: 10.1029/91GL01560
Publisher version: http://dx.doi.org/10.1029/91GL01560
Language: English
Additional information: Copyright 1991 by the American Geophysical Union
Keywords: Solar-wind, Halley
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Space and Climate Physics
URI: https://discovery.ucl.ac.uk/id/eprint/81933
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