Experimental and numerical analysis of the pressure fluctuation induced by composite propeller

Propeller-induced pulsating pressure remains a critical consideration for propeller designers. In recent years, composite propellers have garnered significant interest owing to their superior hydrodynamic performance, prompting increased research focus on their associated pressure fluctuations. This study investigates the pressure fluctuations induced by a composite propeller across various operating conditions through combined experimental measurements and numerical simulations. A two-way Fluid-Structure Interaction (FSI) method is employed to calculate and validate the amplitude of the first-order blade passing frequency pressure fluctuations in both uniform and non-uniform inflow conditions. The results demonstrate good agreement between experimental data and numerical predictions, confirming that the adopted CFD-FEM accurately captures the pulsating pressure characteristics generated by the composite propeller.