The azimuthal, far field directivity of a scale fan model was measured in high resolution. The model is a 12 inch diameter rotor with 16 blades followed by 40 stator vanes. The tests were conducted at the nominal 100% speed corresponding to a tip speed of 905 ft/sec. Measurement of the radiated sound field, forward of the fan, was made in an anechoic chamber with an inflow control device and a ...

The modern conception of industrial production recognizes the increasingly crucial role maintenance. Currently, maintenance is thought as a service that aims to maintain efficiency equipment and systems while also taking quality, energy efficiency, safety requirements into consideration. In this study, new methodology for automating fan procedures was developed. An approach based on recording a...