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Comparison of measured and calculated water film thickness of a water-lubricated elastically supported tilting pad thrust bearing

Comparison of measured and calculated water film thickness of a water-lubricated elastically supported tilting pad thrust bearing
Comparison of measured and calculated water film thickness of a water-lubricated elastically supported tilting pad thrust bearing
A xenon induced fluorescence technique is used to measure the water film thickness of a rubber-supported water-lubricated tilting pad thrust bearing (RWTB). Film thickness maps are obtained over a range of speeds and loads. Based on a Thermo-Elasto-Hydrodynamic lubrication model, the calculated film thickness is compared with the measured one. The measurement shows that the lubrication regime of the RWTB can be observed and it can form a convergent wedge of lubricant. The calculated results are on par with the experimental results at low speed condition (200 r·min-1). Generally, the calculated film thickness is larger and the discrepancy between them increases respecting to the speed. The RWTB is in the hydrodynamic lubrication regime when the speed is over 200 r·min-1 and the load is less than 0.25 MPa. The comparison between the measurements and calculations verifies that the fluorescence technique can be used to measure the film thickness of water-lubricated thrust bearings.
Water-lubricated thrust bearing, elastically support, film thickness measurement, fluorescence technique
Liang, Xingxin
bb102561-c018-4a48-ac75-437f86117d95
Yan, Xinping
66cfd5ac-183c-4019-9983-fb7a06883f8c
Ouyang, Wu
2c701c43-4d1f-46c1-b75e-d6d72ee93016
Wood, Robert
d9523d31-41a8-459a-8831-70e29ffe8a73
Kuang, Fuming
5c294065-e66b-4a5c-8b03-f4649971cb05
Liu, Zhenglin
3d5ff765-79ef-4cae-9405-b62cae35dfe5
Zhou, Xincong
98089c15-1f61-45a3-98c9-cfdaab80b84f
Liang, Xingxin
bb102561-c018-4a48-ac75-437f86117d95
Yan, Xinping
66cfd5ac-183c-4019-9983-fb7a06883f8c
Ouyang, Wu
2c701c43-4d1f-46c1-b75e-d6d72ee93016
Wood, Robert
d9523d31-41a8-459a-8831-70e29ffe8a73
Kuang, Fuming
5c294065-e66b-4a5c-8b03-f4649971cb05
Liu, Zhenglin
3d5ff765-79ef-4cae-9405-b62cae35dfe5
Zhou, Xincong
98089c15-1f61-45a3-98c9-cfdaab80b84f

Liang, Xingxin, Yan, Xinping, Ouyang, Wu, Wood, Robert, Kuang, Fuming, Liu, Zhenglin and Zhou, Xincong (2019) Comparison of measured and calculated water film thickness of a water-lubricated elastically supported tilting pad thrust bearing. Surface Topography: Metrology and Properties. (doi:10.1088/2051-672X/ab47a6).

Record type: Article

Abstract

A xenon induced fluorescence technique is used to measure the water film thickness of a rubber-supported water-lubricated tilting pad thrust bearing (RWTB). Film thickness maps are obtained over a range of speeds and loads. Based on a Thermo-Elasto-Hydrodynamic lubrication model, the calculated film thickness is compared with the measured one. The measurement shows that the lubrication regime of the RWTB can be observed and it can form a convergent wedge of lubricant. The calculated results are on par with the experimental results at low speed condition (200 r·min-1). Generally, the calculated film thickness is larger and the discrepancy between them increases respecting to the speed. The RWTB is in the hydrodynamic lubrication regime when the speed is over 200 r·min-1 and the load is less than 0.25 MPa. The comparison between the measurements and calculations verifies that the fluorescence technique can be used to measure the film thickness of water-lubricated thrust bearings.

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Comparison of measured and calculated water film thickness of a water-lubricated elastically supported tilting pad - Accepted Manuscript
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Accepted/In Press date: 25 September 2019
e-pub ahead of print date: 7 October 2019
Keywords: Water-lubricated thrust bearing, elastically support, film thickness measurement, fluorescence technique

Identifiers

Local EPrints ID: 434970
URI: http://eprints.soton.ac.uk/id/eprint/434970
PURE UUID: 6bb64c2f-cfdc-4f66-8c37-9fb94f383db8
ORCID for Robert Wood: ORCID iD orcid.org/0000-0003-0681-9239

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Date deposited: 17 Oct 2019 16:30
Last modified: 18 Feb 2021 16:43

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Contributors

Author: Xingxin Liang
Author: Xinping Yan
Author: Wu Ouyang
Author: Robert Wood ORCID iD
Author: Fuming Kuang
Author: Zhenglin Liu
Author: Xincong Zhou

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