Nova laser experiments of radiative astrophysical jets

Details Nova laser experiments of radiative astrophysical jets Nova laser experiments of radiative astrophysical jets

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...193.1702e&link_type=abstract

American Astronomical Society, 193rd AAS Meeting, #17.02; Bulletin of the American Astronomical Society, Vol. 30, p.1278

Astronomy and Astrophysics

Astrophysics

Scientific paper

Studying the dynamics of astrophysical jets is important in order to understand the details revealed by astronomical observations of these sources[1]. In some systems, radiation losses are important to the dynamics. Using the LLNL Nova laser facility, we accelerate gold jets to velocities of order several x 10(7) cm/sec with direct laser illumination on cones. Simulations of the Au jet show strong radiative cooling effects. Initial experiments have been done to test this prediction, and comparisons of 2-D LASNEX simulations with experiment will be shown. We will present simulations of radiation driven cones and hemispheres with various z materials with and without radiation cooling. [1] J.M.Stone, J.J.Xu, P.E.Hardee, Astrophysical J. 483,136(1997); J.M. Blondin, B.A. Fryxell, and A. Konigl, Ap. J. 360,370(1990). Auspices U.S.D.O.E. by LLNL Contract W-7405-ENG-48

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