The prediction of sound intensity from an explosive source |
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Authors: | A.G. Sills |
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Affiliation: | Meteorological Office, Royal School of Artillery, Larkhill, Nr. Salisbury, Wiltshire Great Britain |
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Abstract: | A method of predicting sound pressure levels from an explosive source has been developed by the author to assist in the control of artillery firing at Larkhill.Measurements have shown that, for a given charge weight and source to receiver distance, changing meteorological conditions can alter the observed sound intensities by over 30 dB.The method is valid for a wide range of weather conditions and will model observed sound foci including those upwind. The RMS error in the predictions is less than 6 dB for levels of 100 dB or more (peak linear).Application to other types of sound source and corrections for topography are under development. |
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