Zur Schallausbreitung in verdünnten Gasen
Dispersion of sound in rarified monoatomic gases is calculated from a kinetical point of view, using the approximation of Burnett-Chapman. The resulting dispersion-effect is greater by about 50-70% than the hydrodynamical dispersion by viscosity and conduction of heat. This effect is, in agreement with similar considerations of Wang Chang & Uhlenbeck, only little sensible against changes of the model of molecule.
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