Research for Characteristics of Rotating Dipole Acoustic Source in Spatial Acoustic Field

Zhihong Liu, Chuijie Yi, Qian Zhang


Formula for calculating the acoustic pressure of spin dipole acoustic source at any point in space was deduced on the base of frequency-domain solution of turning point acoustic source and acousticfield in free space .Which discussed the acoustic field characteristics during the harmonic dipole source rotating and studied the impact on the acoustic field and acoustic pressure at different source frequency, rotating frequency. Study shows that: dipole acoustic field is of an intense space directivity, the characteristics of acoustic field and acoustic source are closely related.

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