Computer Science – Sound
Scientific paper
Mar 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976jgr....81.1451m&link_type=abstract
Journal of Geophysical Research, vol. 81, Mar. 1, 1976, p. 1451, 1452.
Computer Science
Sound
Atmospheric Density, Atmospheric Pressure, Dynamic Characteristics, Perturbation Theory, Thermosphere, Continuity Equation, Energy Conservation, Equations Of Motion, Expansion, Logarithms, Periodic Variations, Temperature Distribution, Wind Velocity
Scientific paper
It is shown that density and pressure throughout the thermosphere can be adequately described in a logarithmic expansion that provides a sound basis for the application of perturbation theory. This expansion eliminates most of the important nonlinearities associated with density variations. On the basis of this expansion, the validity of perturbation theory can be extended to cover a large variety of atmospheric conditions in which the relative temperature amplitude is less than 0.5 and wind velocities are significantly less than the speed of sound.
Mayr Hans G.
Volland Hans
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