Vol. 66, No. 4, 2020

Acoustical Physics

Physical Acoustics

Conditions of Pressure Wave Focusing in a Bubbly Wedge

I. K. Gimaltdinov and E. Yu. Kochanova p. 339 abstract

Rubber-Liquid Resonator

L. I. Kazakov p. 344 abstract

Designing Fully Populated Phased Arrays for Noninvasive Ultrasound Surgery with Controlled Degree of Irregularity in the Arrangement of Elements

P. B. Rosnitskiy, O. A. Sapozhnikov, L. R. Gavrilov and V. A. Khokhlova p. 352 abstract

Evolution of the Structure of Acoustic Signals Caused by the Impact of a Falling Drop on a Liquid

Yu. D. Chashechkin and V. E. Prokhorov p. 362 abstract

Nonlinear Acoustics

Dispersion Laws, Nonlinear Solitary Waves, and Modeling of Kernels of Integro-Differential Equations Describing Perturbations in Hydrodynamic-Type Media With Strong Spatial Dispersion

A. V. Ursulov p. 375 abstract

Ocean Acoustics. Hydroacoustics

Laboratory Physical Simulation of Acoustic Wave Propagation on the Shelf

S. N. Gurbatov, A. E. Bychkov, P. N. Vyugin, I. Yu. Gryaznova, M. S. Deryabin, V. V. Kurin and A. I. Khilko p. 384 abstract

Sound Pressure Interference and Phase Velocities in Shallow Water: Calculation and Experiment

G. N. Kuznetsov and A. N. Stepanov p. 390 abstract

Assessing The Influence of Internal and Viscous Friction on Dispersion and Sound Attenuation in Unconsolidated Marine Sediments

V. A. Lisyutin and O. R. Lastovenko p. 401 abstract

Interference Method for Estimating the Coordinates of a Moving Noise Source in Shallow Water Using High-Frequency Signals

S. A. Pereselkov, V. M. Kuzkin, G. N. Kuznetsov, D. Yu. Prosovetsky and S. A. Tkachenko p. 416 abstract

Atmospheric and Aeroacoustics

Design Study of Fan Gas-Dynamic and Aeroacoustic Characteristics

A. S. Muraveiko p. 425 abstract

Physical Foundations of Technical Acoustics

On the Electroacoustic Transformation Method Based on Electrokinetic Phenomena