In operation the case of distribution of an ultrasonic wave in a water pipe located in the dense ground and subject to activity of radial pressure of a ground is viewed.

Keywords: acoustics, monitoring, ground, distribution, wave, water pipe

In operation the case when the cylindrical pipe is not completely filled by water is viewed, the ultrasonic radiator is located on a shell of a water pipe. It is shown, that for the given case, it is expedient to view the symmetrical and assymetric modes of distribution of an ultrasonic wave.

Keywords: acoustics, emitter, wave, water pipe

The description of electrodynamic model of the receiver of ultrasonic radiation on the basis of a piezoelectric is presented. Modelling was conducted with use of a method of electrodynamic analogies. The given method allows to apply an accessible arsenal of computational methods of electric circuits as analogues of the composite dynamic systems which class systems of monitoring of waterpipes concern.

Keywords: acoustics, the control, piezoelectric transducer, the water pipeline.

At the organization of system of monitoring of water supply systems, the important problem is definition of resistant to work of the sender and the receiver of an acoustical wave executed on the basis of piezoelectric transducers.

Keywords: acoustics, the control, piezoelectric transducer, the water pipeline.

In operation the case when the radiant of an acoustic signal is in a composite cylindrical pipe is viewed. It is shown, that at transition of a pipe of one diameter in a pipe of other diameter, it is expedient to apply modal representation of an acoustic wave to each site of a pipe.

Keywords: acoustics, the control, diameter, waterpipe