Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ap%26ss.235...27y&link_type=abstract
Astrophysics and Space Science, Volume 235, Issue 1, pp.27-39
Astronomy and Astrophysics
Astrophysics
Scientific paper
The effect of overtaking disturbances upon the free propagation of strong cylindrical hydromagnetic shock through a self-gravitating gas has been studied by an approximating technique developed by Yadav. Assuming an initial density distribution law as ρ0=ρ'r-w, where ρ' is the density at the axis of symmetry and ω is a constant, the analytical relation for shock velocity and shock strength modified by overtaking waves has been obtained under two conditions: viz., (i) when the applied axial magnetic field is strong and (ii) when the field is weak. The results obtained here are compared with those for a freely propagating shock. The conclusions arrived at agreed with experimental results. It is shown that the applications of the CCW method and the neglect of overtaking disturbances are equivalent.
Gupta Mukul
Kumar Sanjeev
Yadav R. P.
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