Abstract
Vertical profiles for the sound speed and attenuation coefficient are calculated in the troposphere and mesosphere of Venus. The predictions are based on ambient quantities (pressure, temperature, density, and composition) obtained by measurements and global circulation models. The three major species considered for composition are carbon dioxide, nitrogen, and sulfur dioxide. The thermophysical parameters—specific heats, viscosity, and thermal conductivity—for the principal constituents were obtained by interpolation from the NIST Chemistry Webbook, at the pressure/temperature values of each altitude. A real-gas equation of state was used to account for the dense environment of the Venusian troposphere.
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