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The propagation of small disturbances in a radiating gas

  • Wilbert J. Lick (a1)
Abstract

The influence of radiation on the propagation of small disturbances is investigated by considering a signalling problem and obtaining approximate limiting solutions. It is found that, for small time, the main disturbance travels at the isentropic speed of sound. For some intermediate time, the main disturbance travels at the isothermal speed of sound. For long time, the disturbance travels at the isentropic speed of sound. The decay and diffusion of these waves are also determined.

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References
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Kourganoff, V. 1952 Basic Methods in Transfer Problems. Oxford University Press.
Krook, M. 1955 On the solution of equations of transfer I. Astrophys. J. 122, 488.
Lick, W. 1963 Energy transfer by radiation and conduction. Proc. Heat Transf. Fluid Mech. Inst. p. 14.
Vincenti, W. & Baldwin, B. 1962 Effect of thermal radiation on the propagation of plane acoustic waves. J. Fluid Mech. 12, 449.
Whitham, G. B. 1959 Some comments on wave propagation and shock wave structure with application to magnetohydrodynamics. Comm. Pure. Appl. Math. 12, 113.
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Journal of Fluid Mechanics
  • ISSN: 0022-1120
  • EISSN: 1469-7645
  • URL: /core/journals/journal-of-fluid-mechanics
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