Scope Scope The scope of this symposium includes all areas of various Hydraulic machines as follows: Hydraulic Turbines Pumps Pump-Turbines Small and Micro Hydropower Vibrations and Fluid Structure Interactions Pump Sump Model Test Ocean Energy Computational and Experimental Technique Hydropower-based Hydrogen Production Cavitation and Multiphase flow Rotordynamics and Tribology Flow Meters and Valves Monitoring and Diagnosis Design Optimization PHM and Digital Twins General Computational Fluid Dynamics Compressors and Fans