Jiacheng Dai1, Jiegang Mou1, *, Tao Liu1
FDMP-Fluid Dynamics & Materials Processing, Vol.16, No.2, pp. 161-179, 2020, DOI:10.32604/fdmp.2020.06613
Abstract The automobile engine pump is an important part of the automobile cooling
system, and has a direct influence on the engine performance. Based on the SST k-ω
turbulence model, unsteady numerical simulation for an automobile engine pump with
different tip clearances was carried out by Fluent. To study the flow field characteristics
and pressure fluctuation, the characteristics of secondary flow distribution in volute are
also analyzed. The result shows that the pressure fluctuation characteristics of the flow
field show obvious periodic variation at different levels of tip clearances. The peak value
of pressure fluctuation at each monitoring point is dependent… More >
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