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Keyword: Bearings
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Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Tribol.
Paper No: TRIB-19-1070
Published Online: October 1, 2019
...Michael Branagan; Neal R. Morgan; Christopher Goyne; Roger Fittro; Robert Rockwell; Minhui He In order to compensate for an extremely heavy journal, jacking pockets can be added to the surface of pads in fluid film bearings. Jacking pockets can range in size and shape and will have an influence on...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2018, 140(6): 061403.
Paper No: TRIB-17-1222
Published Online: June 13, 2018
...Jing Liu; Yimin Shao Hollow cylindrical roller bearings (HCRBs) have obtained much attention from design engineers in bearing industries since they can perform better than solid cylindrical roller bearings (SCRBs) in centrifugal forces, contact stiffness, cooling ability, fatigue life, etc. In this...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2018, 140(6): 061706.
Paper No: TRIB-17-1361
Published Online: June 13, 2018
...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...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2018, 140(6): 061608.
Paper No: TRIB-17-1432
Published Online: June 13, 2018
...He Guo-Ning; Zhou Ning-Bo; Zhang Chao-lei; Ba Xin-yu; Liu Ya-Zheng In this work, the dry sliding friction and wear properties were studied by wear test for 100Cr6 bearing steel when Nb content was 0.018% and 0.040%. In addition, in order to explain the differences, the experimental samples were...
Journal Articles
Article Type: Research-Article
J. Tribol. September 2018, 140(5): 051304.
Paper No: TRIB-17-1489
Published Online: May 14, 2018
...: Sinan Muftu. 21 12 2017 04 04 2018 Bearings Coatings Friction Wear In the recent past, polymer coatings have been used as an alternative for lubricating and protecting metallic tribo-pairs due to their low cost, good tribological properties, and ability to be coated by...
Journal Articles
Article Type: Research-Article
J. Tribol. September 2018, 140(5): 051703.
Paper No: TRIB-17-1430
Published Online: May 14, 2018
...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 with the...
Journal Articles
Article Type: Research-Article
J. Tribol. September 2018, 140(5): 051101.
Paper No: TRIB-17-1288
Published Online: April 30, 2018
...Rui Yang; Lei Hou; Yulin Jin; Yushu Chen; Zhiyong Zhang The varying compliance (VC) vibration directly reflects the oscillation intensity of a rolling bearing, and it can be fully revealed in the VC resonance. Moreover, we define the bearing vibration intensity as the bearing vibration information...
Journal Articles
Article Type: Research-Article
J. Tribol. July 2018, 140(4): 041704.
Paper No: TRIB-17-1233
Published Online: February 22, 2018
...Zhao Yulan; Liu Xingnan; Yang Guojun; Shi Zhengang; Zhao Lei The high-temperature gas-cooled reactor pebble-bed modular (HTR-PM) has been proposed by the Institute of Nuclear and New Energy Technology of Tsinghua University, in which the active magnetic bearings (AMBs) are equipped to support the...
Journal Articles
Article Type: Research-Article
J. Tribol. March 2018, 140(2): 021606.
Paper No: TRIB-17-1152
Published Online: October 6, 2017
...% increase in hardness after heat treatment, making it suitable for load bearing applications. 1 Corresponding author. Contributed by the Tribology Division of ASME for publication in the J OURNAL OF T RIBOLOGY . Manuscript received April 26, 2017; final manuscript received August 2, 2017...
Journal Articles
Article Type: Research-Article
J. Tribol. March 2018, 140(2): 021705.
Paper No: TRIB-17-1024
Published Online: October 4, 2017
...Mohammad Miraskari; Farzad Hemmati; Mohamed S. Gadala The nonlinear stability of a flexible rotor-bearing system supported on finite length journal bearings is addressed. A perturbation method of the Reynolds lubrication equation is presented to calculate the bearing nonlinear dynamic coefficients...
Journal Articles
Article Type: Research-Article
J. Tribol. March 2018, 140(2): 021401.
Paper No: TRIB-16-1399
Published Online: September 29, 2017
...Nikhil D. Londhe; Nagaraj K. Arakere; Ghatu Subhash The analytical expressions currently available for Hertzian contact stresses are applicable only for homogeneous materials and not for case-hardened bearing steels, which have inhomogeneous microstructure and graded elastic properties in the...
Journal Articles
Article Type: Research-Article
J. Tribol. March 2018, 140(2): 021701.
Paper No: TRIB-16-1300
Published Online: September 29, 2017
...Sitae Kim; Alan B. Palazzolo This paper presents analytical bifurcations analysis of a “Jeffcott” type rigid rotor supported by five-pad tilting pad journal bearings (TPJBs). Numerical techniques such as nonautonomous shooting/arc-length continuation, Floquet theory, and Lyapunov exponents are...
Journal Articles
Article Type: Research-Article
J. Tribol. January 2018, 140(1): 011103.
Paper No: TRIB-16-1266
Published Online: August 2, 2017
...Eberhard Abele; Lars Holland; Philipp Hönig Movement analyses of bearings with regard to stable and unstable motion behavior typically investigate the cage whirl. However, some experimental and simulation-based studies exist that analyze the movements of the rolling elements. The majority of these...
Journal Articles
Article Type: Research-Article
J. Tribol. January 2018, 140(1): 011102.
Paper No: TRIB-16-1314
Published Online: July 21, 2017
...Jintao Mo; Chaohua Gu; Xiaohong Pan; Shuiying Zheng; Guangyao Ying The transient simulation of the journal bearing temperature in the internal gear pumps is hard due to the complicated shaft motion caused by the complicated loads. In this paper, a thermohydrodynamic analysis method, based on...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2017, 139(6): 061103.
Paper No: TRIB-16-1040
Published Online: July 10, 2017
...I. M. Jamadar; D. P. Vakharia This paper presents mathematical expressions to identify the existence of localized surface defects on the raceways of the deep groove ball bearings. For the formulation of the mathematical expressions, matrix method of dimensional analysis based on force, length, time...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2017, 139(6): 061701.
Paper No: TRIB-16-1226
Published Online: July 10, 2017
...A. Bhattacharya; J. K. Dutt; R. K. Pandey This paper mainly reports stability investigations of rotors supported on fluid film journal bearings possessing multilocational slip-no-slip zones at the bush–film interface. The coupled solution of governing equations (Reynolds equation, energy equation...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2017, 139(6): 061502.
Paper No: TRIB-16-1216
Published Online: June 30, 2017
... differential equations of high-speed cylindrical roller bearing were built on the basis of dynamic theory of rolling bearings and solved by Hilber–Hughes–Taylor (HHT) integer algorithm with variable step. The influence of lubricant traction coefficient on cage's nonlinear dynamic behavior was investigated, and...
Journal Articles
Article Type: Research-Article
J. Tribol. November 2017, 139(6): 061101.
Paper No: TRIB-16-1112
Published Online: June 14, 2017
...Eberhard Abele; Lars Holland Movement analyses of bearings focusing on cage motion behavior are often conducted by simulations, typically by investigating the cage whirl. Some experimental studies exist in which a metal cage or a modified one is analyzed with sensors. This paper presents an image...
Journal Articles
Article Type: Research-Article
J. Tribol. September 2017, 139(5): 051704.
Paper No: TRIB-15-1331
Published Online: May 26, 2017
...Junho Suh; Alan Palazzolo; Yeon-Sun Choi This paper presents a new approach for modeling flexure-pivot journal bearings (FPJB) employing a three-dimensional (3D) elasto-hydro-dynamic (EHD) lubrication model. The finite element (FE) method is adopted for an analysis of the (1) pad-pivot dynamic...
Journal Articles
Article Type: Errata
J. Tribol. September 2017, 139(5): 057001.
Paper No: TRIB-16-1023
Published Online: May 24, 2017
...Hiroyuki Ohta; Tatsuya Tsuruoka; Yukitoshi Fujinami; Soichiro Kato 13 01 2016 14 02 2017 Bearing design Bearings Rolling element bearings The correct version of Table 4 is: Table 4 Variables, symbols, units, and dimensional formulas Variables Symbols...