Observation of a thermal self-effect of a sound beam in a liquid
Assman V. A., Bunkin F. V., Vernik A. V., Lyakhov G. A., Shipilov K. F.
Experiments have been carried out on the self-effect of a sound beam in benzene. A thermal self-focusing of an ultrasonic beam at a frequency of 2 MHz was discovered when the radiated energy exceeded a certain threshold.