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- W3149706503 abstract "In order to study and improve the cooling capacity of external fan of motor,according to the theory of computational fluid dynamic(CFD),a YJKK500-4、2 500kW medium size high voltage asynchronous motor was taken as an example.Its 3D mathematical and physical model of external fan of the motor were created,and basic assumptions and boundary conditions were determined according to CFD theories.The fluid fields were calculated and analyzed,and fluid field distribution inside external fan was shown.The external characteristics curves were calculated and shown,and then they were verified by experiment.Based on the length of the fan blades as a constant,the deflection angle of fan blades was changed.The main performance parameters of fan and the fluid flow characteristics of the computational domain were analyzed,and the optimum value of deflection angle was obtained.The result shows that deflection angle of fan blades directly affects the cooling capacity of fan.It provides theoretical basis for optimal design of external fan of efficient motors." @default.
- W3149706503 created "2021-04-13" @default.
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- W3149706503 date "2013-01-01" @default.
- W3149706503 modified "2023-09-26" @default.
- W3149706503 title "Numerical calculation and optimization of fluid flow field of external fan of high voltage asynchronous motors" @default.
- W3149706503 hasPublicationYear "2013" @default.
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