Power Loss Predictions in High-Speed Rolling Element Bearings Using Thermal Networks

Pouly, François; Changenet, Christophe; Ville, Fabrice; Velex, Philippe; Damiens, Bruno

doi:10.1080/10402004.2010.512117

Cited by 55 publications

(42 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The calculated Heat Generation in the bearing is dissipated to the surrounding through modes of heat transfer. Most researchers [11][12][13][14][15] have designed thermal resistance network model to calculate the heat transfer through conduction and convection from the bearing. This method comprises of the network of resistances constructed among different components of test bearing assembly.…”

Section: Fig 1 Crank-rocker Mechanismmentioning

confidence: 99%

Mathematical Modelling and Transient Thermal Analysis of Coupler-Rocker Bearing

2018

View full text Add to dashboard Cite

Friction is the resisting force between two bodies having relative motion. These bodies can be solid surfaces, fluid films or elements sliding against each other. There are many devices used to overcome sliding friction which include wheels and bearings. Ball bearings are used in many high speed and high precision machine tools because of their high productivity. A Crank-Rocker four bar mechanism consists of 4 linkages and 4 nodes. These nodes perform complex motions especially the coupler-rocker joint. In order to reduce the friction between these relatively moving links, ball bearings can be introduced. The coupler-rocker bearing oscillates about some axis as well as the raceways have some relative motion. Heat generation rate is not known for bearings performing this type of complex motion. This paper describes the mathematical modelling and thermal analysis of coupler-rocker bearing. Heat generation in the bearing can be estimated using this model. This can be countered by having proper lubrication and speed of bearing.

show abstract

Section: Fig 1 Crank-rocker Mechanismmentioning

confidence: 99%

Mathematical Modelling and Transient Thermal Analysis of Coupler-Rocker Bearing

2018

View full text Add to dashboard Cite

show abstract

“…The environmental implications of these lubricant wastes are not discounted, resulting in an increasing awareness of their adverse impacts on the ecosystem, the need for technological advancements in final product development, and the possible effects of these products when not properly discarded. An in‐depth study into biodegradable synthetic lubricants that can be applied in these environmentally sensitive areas 22, 78 is essential to the efforts toward environmental sustainability.…”

Section: Motivations For Biodegradability Of Lubricating Greasesmentioning

confidence: 99%

“…The demand for renewable resource‐based materials as base fluids results from the need to improve the application of lubricating greases, consider their environmental impact, and produce sustainable final products. Given the alarming rate of consumption of fats and oils originating from vegetables and animals, the products and practices related to the production of grease materials require eco‐friendly properties, which cannot be achieved in petrochemical resources 108. Several scholars have conducted extensive studies on the development of bio grease and the replacement of mineral oils with vegetable oils 62, 109.…”

Section: Base Oilsmentioning

confidence: 99%

Switchable Substrates for Analyzing and Engineering Cellular Functions

Nakanishi¹

2013

Chemistry An Asian Journal

View full text Add to dashboard Cite

Cellular activity is highly dependent on the extracellular environment, which is composed of surrounding cells and extracellular matrices. This focus review summarizes recent advances in chemically and physically engineered switchable substrates designed to control such cellular microenvironments by application of an external stimulus. Special attention is given to their molecular design, switching strategies, and representative examples for bioanalytical and biomedical applications.

show abstract

“…The heat generated in the bearing is dissipated to the surrounding through modes of heat transfer. Most researchers [5,6,8,12,[15][16][17][18] designed thermal resistance network model to calculate the heat transfer through conduction and convection from the bearing. This method comprises of the network of resistances constructed among different components of the test bearing assembly.…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation and thermal analysis of coupler-rocker ball bearing

et al. 2020

View full text Add to dashboard Cite

Ball bearings are widely used in many machineries and industrial applications. Thermal behaviour of oscillating ball bearings is unknown due to its complex pendulum-like motion and is discussed in this research. In this research, the effect of operating conditions of the oscillating bearing performing coupler-rocker motion on the heat generation is experimentally investigated and verified using mathematical model. For this purpose, a coupler-rocker bearing testing rig was designed and fabricated and the test bearing is splash-lubricated in an oil sump. The loading of test bearing was done using two extension springs. The applied load on the bearing was varied from 0 to 750 N while the crank rpm was varied from 1200 rpm to 1800 rpm. Three lubricant grades were used namely, SAE30, SAE40 and SAE50. Experimental results showed that the temperature of coupler-rocker bearing approaches steady-state at about 12 minutes for all cases. The steady-state temperatures at variable conditions are observed to follow a linear trend.

show abstract

Power Loss Predictions in High-Speed Rolling Element Bearings Using Thermal Networks

Cited by 55 publications

References 16 publications

Mathematical Modelling and Transient Thermal Analysis of Coupler-Rocker Bearing

Mathematical Modelling and Transient Thermal Analysis of Coupler-Rocker Bearing

Switchable Substrates for Analyzing and Engineering Cellular Functions

Experimental investigation and thermal analysis of coupler-rocker ball bearing

Contact Info

Product

Resources

About