Statistics – Computation
Scientific paper
Jan 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phfl...28...97l&link_type=abstract
Physics of Fluids (ISSN 0031-9171), vol. 28, Jan. 1985, p. 97-103. Research supported by the Science and Engineering Research Co
Statistics
Computation
4
Astrophysics, Gas Dynamics, Relativistic Particles, Shock Wave Propagation, Computational Fluid Dynamics, Damping, Gravitational Waves, Thermodynamic Properties
Scientific paper
Results are presented from a detailed study of the formation and subsequent damping of strong relativistic shocks in a fluid obeying the Synge equation of state for a relativistic particle gas. The study is confined to planar one-dimensional flow within the flat space-time of special relativity. The simple wave relations are derived and compared with corresponding shock solutions. A detailed comparison of the Synge gas and a photon-dominated gas is given. It is shown that for a given velocity gradient, the compression ratio is higher for the photon-dominated gas than for the Synge gas, whereas the temperature and the internal energy are increased by more in the Synge gas. The photon-dominated gas also produces more entropy than the Synge gas. The results may be pertinent to the study of supernovae, extragalactic radio sources, and pregalactic fluctuations.
Lanza Antonio
Miller Christopher J.
Motta Sara
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