The radio evolution of young supernova remnants

Details The radio evolution of young supernova remnants The radio evolution of young supernova remnants

Dec 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976phdt.........9s&link_type=abstract

Ph.D. Thesis State Univ. of New York, Albany.

Physics

Codes, Magnetohydrodynamic Stability, Stellar Evolution, Supernova Remnants, Magnetohydrodynamic Turbulence, Radio Signals, Rayleigh Waves, Subroutines

Scientific paper

A one dimensional spherically symmetric magnetohydrodynamic code was developed to describe the evolution of the dynamical and radio properties of young supernova remnants. The code contains subroutines which treat the development of Rayleigh-Taylor instabilities wherever they arise in the remnant. Under the assumption of quasi-stationary equilibrium, it was determined that the velocity of the instability was W is approximately (a lambda)1/2, where a is the Rayleigh-Taylor acceleration and lambda is the wavelength of the instability. Subsequent processing of the kinetic energy of expansion, through turbulence, resulted in an increase in temperature and magnetic field strength. The model was used to analyze instability effects of density inhomogeneities in the interstellar medium on magnetic field amplification.

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