... and load capacity of the coupled journal-thrust bearing and the laminar flow assumption is no longer applicable to the actual operating conditions of the water-lubricated bearings at a high rotation speed. In addition, optimal micro groove depths for both journal bearing and thrust bearing exist to reach...

...Changlin Li; Jianjun Du; Jie Li; Zhenni Xu; Chenyang Zhao The multilayer gas foil thrust bearing (MLFTB) has four layers of foil structures with each having unique configuration and function. In this article, an updated complete model of the overlapped foil layers of MLFTB is established...

... bearing becoming harsher, and severe wear may occur. The present study is aimed at mitigating its wear condition through surface texturing. Based on a transient tribo-dynamics model considering the coupling effect of the journal and thrust bearings, a texture optimization study for the thrust bearing...

... to decrease the friction power loss, and other static characteristics of the bearing will be affected by the such textural surface. However, the static characteristics of water-lubricated textured spiral groove thrust bearing have not been thoroughly considered. This article aims to establish the theoretical...

...Yunluo Yu; Guang Pu; Tianchu Jiang; Kyle Jiang Many studies in herringbone grooved thrust bearings are focused on searching for the optimal groove parameters to improve the load capacity, but none of them adopt different grooves in different sections. In this study, a novel optimization method...

...Nguyen LaTray; Daejong Kim The integration of foil bearing technology into high-speed oil-free machines has been slow in progress, in part, due to the low load-carrying capacity of the foil thrust bearing. It is crucial this issue is addressed through innovative solutions without overcomplicating...

...Shaowen Zhang; Shuyun Jiang The purpose of this technical brief is to investigate comparatively the static characteristics of the double-pad inwardly pumping and outwardly pumping water-lubricated spiral-groove thrust bearings (SGTBs). Firstly, a thermo-hydrodynamic lubrication model including...

...@med.svnit.ac.in Contributed by the Tribology Division of ASME for publication in the J ournal of T ribology . 11 10 2019 27 09 2020 27 09 2020 29 10 2020 bearing design and technology bearings contact mechanics rolling-element bearings thrust bearings Ball...

...J. C. Atwal; R. K. Pandey This paper presents the performance behaviors (coefficient of friction, minimum film thickness, and pressure distributions) of a fluid film thrust bearing using a newly conceived micro-texture on pads. In the numerical investigation, the Reynolds equation has been...

... hydrostatic thrust bearings externally pressurized bearings compliant-hydrostatic compliant fluid bearings functionally graded material variable Young’s modulus bearing design and technology elastohydrodynamic lubrication fluid film lubrication hydrostatic lubrication thrust bearings...

...Shaowen Zhang; Shuyun Jiang; Xiaohui Lin The dynamic characteristics of the double-pad inwardly pumping water-lubricated spiral-groove thrust bearing (SGTB) is different from that of the outwardly pumping version, especially under a high-speed condition. However, no literature on this topic can...

... to the radial FBs, and thus rotordynamics stability is more challenging than load capacity. However, a main challenge of gas foil thrust bearings (GFTBs) is how to increase the load capacity, and the challenge remains the same regardless of the size. In previous publications on experimental studies on GFTBs...

..., 2019; published online August 2, 2019. Assoc. Editor: Wenzhong Wang. 16 04 2019 09 07 2019 12 07 2019 friction rolling element bearings squeeze films thrust bearings Turbochargers (TCs) are coupled to a wide range of reciprocating, internal combustion engines...

...Gen Fu; Alexandrina Untaroiu Contact performance can be enhanced by using textured surfaces. These are also found to have influences on lubricated contacts. A procedure to find the optimal partially textured thrust bearing configuration is presented in this study. A parallel sector-pad thrust...

...Xiaohui Lin; Shuyun Jiang; Chibin Zhang; Xiang Liu A thermohydrodynamic lubrication model of turbulent cavitating flow for high-speed spiral groove thrust bearing was developed considering the effects of cavitation, turbulence, inertia, breakage, and coalescence of bubbles. Comparing...

... the feasibility and benefit of a biomimetic thrust bearing. This study presents the dynamic properties of the coupled system, as determined from transient to steady operating states. The results indicate that bio-inspired bearings may have application in certain tribological systems, including biomechanical joint...

...Noël Brunetière; Antoinette Blouin; Guytri Kastane An experimental test rig has been used to analyze the lift-off condition of a squeeze film thrust bearing. It is composed of a vibrating flat plate linked to a piezo-actuator, a cylindrical mass, and two displacement sensors. The frequency...

... received August 19, 2016; final manuscript received April 11, 2017; published online July 10, 2017. Assoc. Editor: Daejong Kim. 19 08 2016 11 04 2017 Contact Gas (air) bearings Hydrodynamic lubrication Journal bearings Thrust bearings Bump type air foil bearings (AFBs) have...

.... Assoc. Editor: Dae-Eun Kim. 21 07 2016 23 11 2016 Friction Gas (air) bearings Sliding Solid lubricants Thrust bearings Wear Wear mechanisms Magnesium is an attractive material for the automotive purpose, mostly because of its light weight—36% lighter than aluminum...

... OURNAL OF T RIBOLOGY . Manuscript received May 21, 2016; final manuscript received October 21, 2016; published online April 6, 2017. Assoc. Editor: Jordan Liu. 21 05 2016 21 10 2016 Fluid film lubrication Gas (air) bearings Hydrostatic lubrication Thrust bearings...