Experimental Studies of Pressure Pulsations in Draft Tube Diff user of Pump-Turbine Models for Heads up to 200 m - A. V. Rusanov; V. H. Subotin; O. M. Khoryev; O. V. Lynnyk; Yu. A. Bykov; P. O. Korotaiev; Ye. S. Ahibalov (Science and Innovation, 2024)