Calculation of field amplitude distribution of ultrasonic wave beam in moving media

The results of acoustical (ultrasonical) wave beam amplitude distribution modeling in free space and in application of moving media are presented. The propagation of ultrasonical wave has been considered in x-y coordinate plane for infinitive plate radiator restricted on x – axis. The shift of ultrasonical beam field for different distributions of moving media velocity projections in the plane of wave propagation is considered. The calculation has been made numerically. The beam field distribution for different projection functions of media velocity is given in three – dimensional representation, where in z coordinate the amplitude of calculated field is given.