Numerical Analysis of Operation Mechanism of Thrust Bearing Oil Film Under the Stable Working Conditions of Pumped Storage Power YAO Ze1，WEN
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Abstract:
Based on the N-S equation, turbulent model, and periodic boundary, CFD numerical calculation and analysis was performed on the tank of thrust bearing under the rated speed with different oil film thicknesses and tile surface angles. The 1/12 model of the thrust tank was established using the tool of Autocad and Proe and the computational domain was discretized using the clumpy gridding technology. SIMPLEC algorithm in Fluent was used to perform the simulation. The calculation results were post-processed to determine the pressure distribution of tile surface, the relation curves between oil film thickness, tile surface angle, and bearing capacity of tile surface, and the velocity distribution with different thicknesses of oil film, which can better guide the design, maintenance, and operation of thrust bearing.
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