Open AccessNumerical Simulation Research on Radial Force of Centrifugal Pump with Guide Vanes
Author(s) -
Dongrong Meng,
Ting Jiang,
Hongling Deng,
Gaoyang Hou
Publication year - 2021
Publication title -
shock and vibration
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.418
H-Index - 45
eISSN - 1875-9203
pISSN - 1070-9622
DOI - 10.1155/2021/6638123
Subject(s) - impeller , centrifugal pump , slip factor , rotodynamic pump , specific speed , mechanics , centrifugal force , rotor (electric) , internal flow , flow (mathematics) , centrifugal compressor , stator , axial flow pump , mechanical engineering , turbulence , computer simulation , progressive cavity pump , radial piston pump , engineering , physics , variable displacement pump , reciprocating pump
To reveal the internal unsteady flow state of the guide vane centrifugal pump, in this paper, the standard SST k‐ω turbulent flow model is used for unsteady numerical simulation of the centrifugal pump. The characteristics of the flow field inside the centrifugal pump are analyzed, the resultant force and vector distribution of the radial force of the guide vane and impeller of the centrifugal pump under different flow rates are obtained, which were verified by experiments. The results show that the main reason of radial force of the impeller is the pressure asymmetry in each flow passage. The radial force will show periodic fluctuations due to the rotor-stator interference between the impeller and the guide vanes under different flow rates. The radial force on the impeller decreases gradually with the increase of the flow, the distribution is hexagonal or hexagonal shape, and the number of impeller blades is the same. The results can provide reference for the design of impeller and guide vane of centrifugal pump.
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