Computer Science
Scientific paper
Oct 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992chjss..12..258l&link_type=abstract
Chin. J. Space Sci., Vol. 12, No. 4, p. 258 - 269
Computer Science
Scientific paper
An MHD 2 1/2 D, time-dependent model is used to investigate a series, individually of neighboring interplanetary shock wave interactions in the equatorial plane. For an azimuthal angular separation of 36 degree, between the centers of two disturbances, four different initial velocities, vs = 500, 1000, 2000 and 3000 km/s are considered. The results indicate: for the case of vs = 2000 and 3000 km/s, the two shock waves have already coalesced into a new shock within 1 AU, there are not any two peaks in the velocity, density and temperature. For the case of vs = 1000 km/s, the two shock waves have not completely coalesced into a new shock wave, and the peak of shock parameters of each shock wave can be identified from their distributions; for the case of vs = 500 km/s, the coalescence would almost not occur, in fact, the two shock waves would decayed independently into ordinary MHD waves near 0.3 AU.
Gu Huicheng
Lu Jianyong
Wei Fengsi
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