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- CiteSeerX — CAPACITY AND FRICTION FORCE IN SLIDE JOURNAL ...
- Published in: Journal of KONES · 2010Authors: Pawe Krasowski[PDF]

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): This paper shows results of numerical solutions modified Reynolds equations for laminar unsteady oil flow in slide journal bearing gap. Laminar unsteady oil flow is performed during periodic and unperiodic perturbations of bearing load or is caused by the changes of gap height in time.

- Pressure and velocity distribution in slide journal ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): This paper shows results of numerical solutions the modified Reynolds equations for laminar unsteady oil flow in slide journal bearing gap. Laminar unsteady oil flow is performed during periodic and unperiodic perturbations of bearing load or is caused by the changes of gap height in time.

[PDF]- HEAT AND MASS TRANSFER ON UNSTEADY, .

unsteady ﬂow past an impulsively started, semi-inﬁnite, vertical plate with variable temperature in the presence of thermal radiation. Unsteady heat and mass transfer by free-convective MHD micropolar ﬂuid ﬂow with chemical reaction in the presence of heat generation was studied by Olajuwon and Oahimire (2014).

[PDF]- PRESSURE IN SLIDE JOURNAL PLANE BEARING BY LAMINAR ...

This paper shows results of numerical solutions a modified Reynolds equation for laminar unsteady oil flow in slide journal plane bearing gap. It shows a preliminary analysis of pressure distribution change in the bearing by laminar, unsteady lubrication caused by velocity perturbations of oil flow in the longitudinal direction of a bearing.

[PDF]- Vertical Vibration Model for Unsteady ... - ResearchGate

According to the vertical vibration phenomena existing in cold rolling mills, the unsteady lubrication mechanism in roll gap and its influence to rolling stability was chosen as the case for analysis.

Author: Xu Yang, Qing Li, Chao-Nan Tong, Qi-Han Liu- Multi-factor coupling system characteristic of the dynamic ...

In the present work, a multi-factor coupling dynamic model of a rolling mill system for a dynamic roll gap during an unsteady lubrication process was developed on the basis of the rolling theory, lubrication and the friction theory, and the mechanical vibration theory. The multi-factor coupling model of interfacial film binding was coupled with the rolling force model, dynamic roll gap ...

- Multi-factor coupling system characteristic of the dynamic ...
- Published in: Tribology International · 2013Authors: Qiaoyi Wang · Zhengyi Jiang · Jingwei Zhao · Min FangAffiliation: Hangzhou Dianzi University · University of WollongongAbout: Coupling · Mill · Vibration · Lubrication[PDF]

times were systematically analyzed during the unsteady mixed lubrication process. The effects of the main processing parameters on the critical speed and amplitude for self-excited vertical vibration were investigated. Keywords during, unsteady, lubrication, process, coupling, system, characteristic, dynamic, multi, roll, factor, gap, high,

- Dynamics of Unsteady MHD Convective Flow with ...

The dynamics of unsteady magnetohydrodynamic convective fluid flow with radiation and thermophoresis of particles past a vertical porous plate moving through a binary mixture in an optically thin environment is investigated. The approximate form of the radiative heat flux is considered as the fourth power of temperature. Chemical reaction that occurs as the chemically reacting fluid flow ...

- Rolling mill chatter mechanism based on the unsteady ...

The vertical vibration, torsional vibration and horizontal vibration of mill stand couple together through the changing lubrication at roll bite [1]. The unsteady lubrication is the main cause for the self-excited vibration during rolling [2].

[PDF]- CHAPTER 3 FLOW PAST A SPHERE II: STOKES' LAW, THE ...

CHAPTER 3 FLOW PAST A SPHERE II: STOKES' LAW, THE BERNOULLI EQUATION, TURBULENCE, BOUNDARY LAYERS, FLOW SEPARATION INTRODUCTION 1 So far we have been able to cover a lot of ground with a minimum of material on fluid flow.

[PDF]- Dynamic behaviour of cold rolling mill with unsteady ...

Jan 01, 2015 · Read "Dynamic behaviour of cold rolling mill with unsteady lubrication roll-gap interface during sheet metal forming process, International Journal of Surface Science and Engineering" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

[PDF]- Journal of Non-Newtonian Fluid Mechanics

A wide variety of lubrication problems involve the ﬂow of non-Newtonian ﬂuid between moving surfaces [1,2]. Our focus in the present article is lubrication by viscoplastic ﬂuids, and, in particu-lar, on the role of a yield stress. Although viscoplastic ﬂuids are commonly used as lubricants (grease, for example, has previously

[PDF]- Unsteady spreading of thin liquid films with small surface ...
- Published in: Physics of Fluids · 1991Authors: J A Moriarty · L W Schwartz · E O TuckAffiliation: University of Delaware · University of AdelaideAbout: Wave equation · Gravitation · Equations of motion · Surface tension · Kinematics · Drop[PDF]

Unsteady spreading of thin liquid films with small surface tension J. A. Moriarty and L. W. Schwartz ... liquid drop draining down a vertical wall under gravity. The analysis is based on the smallness of the surface tension term in the lubrication equation. In a region local to the front of the drop, where the surface curvature is large ...

- Unsteady/Steady Hydromagnetic Flow of Reactive Viscous ...

usefulness of the hydromagnetic lubrication used in engineering systems. 2. MATHEMATICAL MODEL Consider the unsteady flow of an incompressible, electrically conducting, variable viscosity, variable thermal conductivity, viscous reactive fluid between two vertical walls under the influence of a transversely magnetic field of strength B0

- Unsteady spreading of thin liquid films with small surface ...
- Published in: Physics of Fluids · 1991Authors: J A Moriarty · L W Schwartz · E O TuckAffiliation: University of Delaware · University of AdelaideAbout: Wave equation · Gravitation · Equations of motion · Surface tension · Kinematics · Drop

Unsteady spreading of thin liquid films with small surface tension J. A. Moriarty and L. W. Schwartz ... liquid drop draining down a vertical wall under gravity. The analysis is based on the smallness of the surface tension term in the lubrication equation. In a region local to the front of the drop, where the surface curvature is large ...

- Unsteady MHD flow of a visco-elastic fluid along vertical ...
- Published in: IOSR Journal of Engineering · 2014Authors: Arpita Mohanty · Pravat Kumar Rath · G C Dash

Unsteady MHD flow of a visco-elastic fluid along vertical porous surface with fluctuating temperature and concentration Arpita Mohanty, Pravat Kumar Rath, G. C. Dash 1Department of Mathematics, Prananath Autonomous College, Khordha-752057, Odisha, India

- Multi-factor coupling system characteristic of the dynamic ...

The corresponding distributions of friction and pressure at varying surface roughness and times were systematically analyzed during the unsteady mixed lubrication process. The effects of the main processing parameters on the critical speed and amplitude for self-excited vertical .

[PDF]- Vertical Vibration Model for Unsteady Lubrication in Rolls ...

Abstract. According to the vertical vibration phenomena existing in cold rolling mills, the unsteady lubrication mechanism in roll gap and its influence to rolling stability was .

- VELOCITY DISTRIBUTION IN SLIDE JOURNAL BEARING GAP BY ...

Keywords: laminar unsteady lubrication, journal slide bearing, pressure, velocity perturbation 1. Introduction This article refer to the unsteady, laminar flows issue, in which modified Reynolds number Re* is [4, 5] smaller or equal to 2. Laminar, unsteady oil flow is performed during periodic and

[PDF]- Journal of Non-Newtonian Fluid Mechanics

A wide variety of lubrication problems involve the ﬂow of non-Newtonian ﬂuid between moving surfaces [1,2]. Our focus in the present article is lubrication by viscoplastic ﬂuids, and, in particu-lar, on the role of a yield stress. Although viscoplastic ﬂuids are commonly used as lubricants (grease, for example, has previously

[PDF]- liza horobets - Academia.edu

Vertical Vibration Model for Unsteady Lubrication in Rolls-Strip Interface of Cold Rolling Mills more. by liza horobets. Research Interests: Mechanical Engineering. Download (.pdf) ... Vertical Vibration Model for Unsteady Lubrication in Rolls-Strip Interface of Cold Rolling Mills more. by liza horobets. Research Interests: Mechanical Engineering

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