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Keywords: cavitation
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Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-21-1508
Published Online: January 13, 2022
...Fan Zhang; Nicolas Fillot; Rudolf Hauleitner; Guillermo Morales Espejel A first cavitation modeling with thermal effects for oil/refrigerant solutions lubricated ElastoHydroDynamic (EHD) point contacts is reported in this work. The solubility of the oil/refrigerant system is introduced...
Journal Articles
Accepted Manuscript
Article Type: Technical Briefs
J. Tribol.
Paper No: TRIB-21-1463
Published Online: January 7, 2022
...Wanjun Xu; Shanhui Zhao; Zhengyang Geng; Miaomiao Niu In order to reduce the dependence of accuracy on the number of grids in the Ausas cavitation algorithm, a modified Ausas algorithm was presented. By modifying the mass-conservative Reynolds equation with the concept of linear complementarity...
Journal Articles
Article Type: Research Papers
J. Tribol. May 2022, 144(5): 051802.
Paper No: TRIB-21-1214
Published Online: August 3, 2021
...S. Boedo This paper describes a computationally efficient, finite element implementation of a generalized short bearing (GSB) formulation to account for mass conservation in cavitated bearing regions. The method is applied to a set of examples representing partial and full journal bearings under...
Journal Articles
Article Type: Research Papers
J. Tribol. April 2022, 144(4): 041803.
Paper No: TRIB-21-1142
Published Online: July 16, 2021
... model for the water-lubricated textured spiral groove thrust bearing under laminar cavitating flow, and field distribution and static characteristics of the bearing are analyzed using the model. A verified test indicates that the theoretical simulation agrees with the experimental value. The result...
Journal Articles
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031602.
Paper No: TRIB-21-1096
Published Online: June 7, 2021
... lubricant supply cavitation elastohydrodynamic lubrication gears Starvation of lubricant has been frequently observed in mechanical rolling elements [ 1 – 3 ]. It plays an important role in friction [ 4 ], wear [ 5 ], scuffing failure [ 6 ], and rolling contact fatigue [ 7 , 8 ]. Utilizing...
Journal Articles
Article Type: Technical Briefs
J. Tribol. October 2021, 143(10): 104501.
Paper No: TRIB-20-1299
Published Online: February 2, 2021
... the cavitating, centrifugal, and turbulent effects is established for the double-pad water-lubricated SGTB operating at a high-speed condition. Subsequently, the film thickness and volume flowrate are verified by an experimental study for the high-speed water-lubricated SGTBs. Finally, the effects...
Journal Articles
Article Type: Research Papers
J. Tribol. October 2021, 143(10): 101601.
Paper No: TRIB-20-1419
Published Online: January 22, 2021
...Shuangbiao Liu; Liangwei Qiu; Zhijian Wang; Xiaoyang Chen Studying elastohydrodynamic lubrication (EHL) of line contacts involving micro-cavitations, this paper examines various numerical solutions with a focus on their explicit flow continuities from inlet to exit. For the first time, influences...
Journal Articles
Article Type: Research Papers
J. Tribol. June 2021, 143(6): 061803.
Paper No: TRIB-20-1305
Published Online: October 27, 2020
... cavitation algorithm (p − θ cavitation algorithm), where a modified smoothing switch function is raised for better convergence. Focusing on the normal direction to reciprocation, the load-guideway system is simplified as a single-degree-of-freedom linear time-varying system and solved by Newmark-β method...
Journal Articles
Article Type: Research Papers
J. Tribol. June 2021, 143(6): 061801.
Paper No: TRIB-20-1301
Published Online: October 13, 2020
... discretized using the finite element formulation followed by the solution of algebraic equations employing the Fischer-Burmeister-Newton-Schur (FBNS) algorithm, which satisfies the mass-conservation phenomenon arising due to the commencement of cavitation in the lubricating film. The effects of parameters...
Journal Articles
Article Type: Research Papers
J. Tribol. September 2020, 142(9): 091803.
Paper No: TRIB-19-1474
Published Online: April 27, 2020
... be found up to now. In this study, a comparative study on the dynamic characteristics of the two types of SGTBs is conducted. First, a turbulent lubrication model considering centrifugal and cavitating effects for the double-pad SGTB is developed based on gas–liquid two-phase flow. The steady-state...
Journal Articles
Article Type: Research Papers
J. Tribol. November 2019, 141(11): 111701.
Paper No: TRIB-19-1159
Published Online: September 7, 2019
... the saturation pressure with potentially hazardous effects on the performance of the gas bearing. The present work introduces a model based on the Reynolds equation and the development of cavitation modeling in liquid-lubricated bearings for condensing gas bearings. The effect of condensation on load capacity...
Journal Articles
Article Type: Discussions
J. Tribol. January 2019, 141(1): 015501.
Paper No: TRIB-18-1158
Published Online: August 31, 2018
... Cavitation Fluid film lubrication Gas (air) bearings Seals It should be noted that the literature survey in this paper is lacking [ 1 ]. The author had neglected to discuss previous work on gas/liquid seals [ 2 ], as well as the literature on numerical formulations (in particular the finite element...
Journal Articles
Article Type: Closures
J. Tribol. January 2019, 141(1): 016001.
Paper No: TRIB-18-1171
Published Online: August 31, 2018
... Cavitation Fluid film lubrication Gas (air) bearings Hydrodynamic lubrication The author of paper [ 1 ] would like to thank Professor Green for the relevant discussion. He highlights some oversights in the state of the art and comparison to previous work, first on face seal analysis and second...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2018, 140(6): 061601.
Paper No: TRIB-17-1039
Published Online: May 21, 2018
...Ion Mitelea; Cristian Ghera; Ilare Bordeaşu; Corneliu Crăciunescu The effect of the gas-nitriding thermochemical treatment on the cavitation erosion resistance of a Cr-Ni-Mo alloy is analyzed using a piezoceramic vibrating equipment and following the ASTM G32-2010 standard. The evaluation...
Journal Articles
Article Type: Discussions
J. Tribol. September 2018, 140(5): 055501.
Paper No: TRIB-18-1105
Published Online: April 30, 2018
... measures with available experimental evidence is also obtained with the K–B algorithm [ 3 , 4 , 6 ]. While the author's formulation apparently applies for transient problems, comparisons were only presented for steady-state problems. It would be very interesting to apply his algorithm to the cavitating...
Journal Articles
Article Type: Closures
J. Tribol. September 2018, 140(5): 056001.
Paper No: TRIB-18-1114
Published Online: April 30, 2018
... 03 2018 Cavitation Gas (air) bearings Hydrodynamic lubrication Squeeze films The author of paper [ 1 ] would like to thank Professors Boedo and Booker for the relevant discussion. Their main concern is about the lack of reference pertaining to cavitation modeling in the state...
Journal Articles
Article Type: Research-Article
J. Tribol. September 2018, 140(5): 051701.
Paper No: TRIB-17-1317
Published Online: April 3, 2018
...Bradley R. Nichols; Roger L. Fittro; Christopher P. Goyne Reduced oil supply flow rates in fluid film bearings can cause cavitation, or lack of a fully developed hydrodynamic film layer, at the leading edge of the bearing pads. Reduced oil flow has the well-documented effects of higher bearing...
Journal Articles
Article Type: Research-Article
J. Tribol. July 2018, 140(4): 041707.
Paper No: TRIB-17-1295
Published Online: March 30, 2018
...Ce Guo; XiJing Zhu; Jia Liu; Dan Zhang During ultrasonic vibration honing (UVH), a thin hydrodynamic oil film formed can seriously affect the cavitation effect in the grinding fluid, but the mechanism is still unclear now. Based on the hydrodynamics theory, a revised cavitation bubble model...
Journal Articles
Article Type: Research-Article
J. Tribol. March 2018, 140(2): 021103.
Paper No: TRIB-17-1132
Published Online: September 29, 2017
.... In the simulation model, the deformation of the reed and the pressure of the oil film as a result of cavitation are coupled. In order to take into account the tensile stress in the oil film, a cavitation model directly simulating the expansion of cavitation bubbles is developed (herein, dynamic cavitation model...
Journal Articles
Article Type: Research-Article
J. Tribol. March 2018, 140(2): 021702.
Paper No: TRIB-17-1089
Published Online: September 29, 2017
...Noël Brunetière This paper presents a general formulation of the Reynolds equation for gas and liquid lubricants, including cavitation. A finite element solution of this equation is also given. The model is compared to those obtained in the previous literature on liquid and gas lubrication. One...