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- W4387144222 abstract "Abstract Blade vibration can significantly impact the performance, maintenance and safety of aero engines, hence a large research effort focuses on modelling the dynamic responses of bladed disks and blisks to ensure safe operation. Computational analyses of disk dynamics — for instance, quantifying mistuning or characterising friction dampers — require validation through experimental measurement of disks when subjected to realistic excitations. Engine order excitation constitutes a major source of steady forced vibration of fan and compressor disks during normal engine operation. In engine order excitation the disk rotates past a static pressure field, caused by upstream disturbances in the flow, that varies periodically with angular position. The blades of the disk rotate through the pressure field and are subjected to a periodic force. This paper presents the design of a magnetic array intended to simulate engine order excitation of a rotating disk. A model is developed that predicts the forces exerted between collections of magnets with simple geometries. The model is validated and used to predict the force applied to a rotating blade by different magnet array configurations. The aim of the research is to identify a magnet array with optimal forcing characteristics and the model is used to evaluate potential configurations according to some specified design criteria." @default.
- W4387144222 created "2023-09-29" @default.
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- W4387144222 date "2023-06-26" @default.
- W4387144222 modified "2023-10-18" @default.
- W4387144222 title "Design of a Magnetic Array for Engine Order Excitation of Rotating Disks" @default.
- W4387144222 doi "https://doi.org/10.1115/gt2023-103729" @default.
- W4387144222 hasPublicationYear "2023" @default.
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