Lubrication performance of magnetorheological fluid-lubricated rubber stern bearing test ring

Zhang, Sheng Dong; Long, Zhilin; Yang, Xiaoguang

doi:10.1007/s40430-020-02796-3

Cited by 5 publications

(2 citation statements)

References 40 publications

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“…Dong et al conducted a study of the wear behaviour of NBR/stainless steel under sandy water-lubricated conditions [18]. Zhang et al investigated the lubrication performance of a magneto-rheological fluidlubricated rubber-bearing test ring [19]. Kuang et al proposed a transparent glass cylinder and NBR rubber block model, capturing the frictional contact area using a high-speed camera, to study the tribological phenomenon in water-lubricated rubber stern bearings [20].…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of the Performance of SBR and RSS Materials as a Sliding Bearing Element

ÇALIŞKAN

2022

Crystals

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Conventional bearing systems and materials, which are important components of machine elements, have often failed to fulfil requirements, especially in places where sealing is required. In such cases, sliding bearings with PTFE- and NBR-based polymer and elastomer materials operating in water or oil are preferred. In this study, the performance of two alternative rubber-based materials, synthetic styrene butadiene rubber (SBR) and natural rubber smoked sheet (RSS), as a sliding bearing was experimentally investigated in terms of frictional resistance using pin-on-disc and pin-on-cylinder devices. In the study, very low friction forces emerged at low sliding speeds compared to PTFE and NR operating in water. The friction force values and friction coefficients obtained are presented in diagrams and tables.

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Section: Introductionmentioning

confidence: 99%

Experimental Investigation of the Performance of SBR and RSS Materials as a Sliding Bearing Element

ÇALIŞKAN

2022

Crystals

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“…The first configuration takes viscosity as a control input for active lubrication. Hesselbach [4], Wang [5], and Zhang [6] used magnetorheological fluids (MR fluids) to provide active lubrication in hydrostatic bearings by utilizing an external magnetic field. This field changes the viscosity of magnetorheological fluids to maintain a constant fluid film gap by varying the load.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear Control of Hydrostatic Thrust Bearing Using Multivariable Optimization

et al. 2021

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This research work is focused on the nonlinear modeling and control of a hydrostatic thrust bearing. In the proposed work, a mathematical model is formulated for a hydrostatic thrust bearing system that includes the effects of uncertainties, unmodelled dynamics, and nonlinearities. Depending on the type of inputs, the mathematical model is divided into three subsystems. Each subsystem has the same output, i.e., fluid film thickness with different types of input, i.e., viscosity, supply pressure, and recess pressure. An extended state observer is proposed to estimate the unavailable states. A backstepping control technique is presented to achieve the desired tracking performance and stabilize the closed-loop dynamics. The proposed control technique is based on the Lyapunov stability theorem. Moreover, particle swarm optimization is used to search for the best tuning parameters for the backstepping controller and extended state observer. The effectiveness of the proposed method is verified using numerical simulations.

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Analysis and experimentation of an adjustable gap magnetorheological brake controlled by electrothermal shape memory alloy spring

Chen

Xiong

Shu

et al. 2022

J Braz. Soc. Mech. Sci. Eng.

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Lubrication performance of magnetorheological fluid-lubricated rubber stern bearing test ring

Cited by 5 publications

References 40 publications

Experimental Investigation of the Performance of SBR and RSS Materials as a Sliding Bearing Element

Experimental Investigation of the Performance of SBR and RSS Materials as a Sliding Bearing Element

Nonlinear Control of Hydrostatic Thrust Bearing Using Multivariable Optimization

Analysis and experimentation of an adjustable gap magnetorheological brake controlled by electrothermal shape memory alloy spring

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