Journal
TRIBOLOGY INTERNATIONAL
Volume 179, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2022.108183
Keywords
Finite element method; Double layer porous matrix; Non -Newtonian lubricant; Conical porous journal bearing
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This study simulates a hybrid double layer conical porous bearing with a non-Newtonian lubricant. The investigation shows that the hybrid DCPB outperforms the hybrid single layer conical porous bearing in terms of performance parameters, and the use of non-Newtonian lubricant improves stability threshold speed margin and reduces frictional power loss.
This study deal with the numerical simulation of a hybrid double layer conical porous bearing (DCPB) consid-ering the synergistic effects of a double layer porous matrix and non-Newtonian lubricant (cubic law model) behaviour. The present study investigates the interactive effects of the non-linear factor of lubricant, perme-ability parameter and semi cone angle on the performance of a hybrid DCPB. The modified Reynolds equation is solved using the finite element technique for a hybrid DCPB. Findings of this study indicate that the DCPB improve the performance parameters as compared to hybrid single layer conical porous bearing (SCPB). Further, the use of non-Newtonian lubricant improves the stability threshold speed margin (omega th) and reduces the frictional power loss (pfric).
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