Abstract
In order to improve the stability and the lifespan of rotating components in a canned motor of a centrifugal pump, a local hydraulic loss analysis has been performed based on detailed flow field an...
Highlights
Canned motor is characterized by its high power density, tight structure, low noise, high efficiency, and zero leakage.[1]
To describe the configurations of the complicated motor flow field accurately, the computational domain is divided into eight parts: (1) inlet channel, (2) thrust bearing, (3) transition region after the thrust bearing, (4) hydrodynamic bearing, (5) stator, (6) water gap flow between dynamic and static rotors, (7) hydrodynamic bearing, and (8) outlet pipe
Pressure reaches the maximum value (748,117 Pa) after the fluid flows through the thrust bearing
Summary
Canned motor is characterized by its high power density, tight structure, low noise, high efficiency, and zero leakage.[1] With the increasing demands for compact structures and low costs, as well as the development in new topologies and materials, heat dissipation in the motor has attracted a wide research attention. As the main structure in the canned motor, shaft has a great influence on the stable and reliable operation of the rotor system, in terms of its performance under rotations.
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