Sonic boom propagation through a realistic turbulent atmosphere

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Abstract
A model of the turbulent atmosphere based on the von Karman spectrum is used in conjunction with a scattering center‐based model to simulate sonic boom propagation. The distribution of rise times and peak overpressures predicted by the model are compared to those measured during a field test. Calculated rise times increase in the presence of turbulence, but the computed shift of the distribution toward higher values is less than measured. The predicted distribution of peak overpressure underpredicts the shift in overpressure to lower values displayed in the measured distribution. This underprediction is consistent with the rise time prediction. Future work will investigate the effect of anisotropic turbules on sonic boom propagation.

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