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research-article

Effects of Compound Groove Texture on Noise of Journal Bearing

[+] Author and Article Information
Fanming Meng

The State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China
fmmeng@cqu.edu.cn

Wei Zhang

The State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044, China
20140702115@cqu.edu.cn

1Corresponding author.

ASME doi:10.1115/1.4038353 History: Received March 13, 2017; Revised September 30, 2017

Abstract

The noise of a journal bearing with the compound groove texture is studied based on computation fluid dynamic (CFD) theory and broadband noise source mode. In doing so, the acoustic power levels of the noise for the journal bearing with the compound groove textures and simple ones are separately solved at the varied geometry sizes and positions of the groove texture, and varied lubricant parameters using CFD method. Numerical results show that the compound groove texture can more effectively lower the acoustic power level of the journal bearing, compared with the simple groove texture. This reduction depends on the groove size and its position, and density and viscosity of the lubricant.

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