Aerodynamic pressure pulsation generated by rotating blades was measured using
an experimental device consisting of fan blades, a motor, and pressure gauges. The motor was
installed on a high-stiffness block via load cells and the motor reaction forces were measured
by load cells. The aerodynamic pressure pulsation was also calculated using CFD simulation
software, and based on those CFD results, motor reaction forces were also derived.
Calculation results and experimental results were compared for both pressure pulsation and
motor reaction forces and the calculations were found to agree well with experimental results
