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 (will be updated)