... bodies, while ansys fluent computational fluid dynamics software was used to model the fluid with the Navier–Stokes equations. The current model is not limited by Reynolds equation assumptions, allowing for the investigation of pressure, viscosity, and temperature variation across point contact...

... particles called a primitive. A computational fluid dynamics framework is proposed to directly simulate the capillary and hydrodynamic effects of the interfacial flow that is responsible for primitive formation. The computational model uses the volume-of-fluid method for capturing dynamic binder-air...

... in the bearing. journal bearings surface textures rotating machines stability threshold unstable vibration mode computational fluid dynamics bearing design and technology fluid film lubrication hydrodynamic lubrication 04 06 2019 09 10 2019 10 10 2019 15 10 2019...

... on the present results, we propose simple formulas for the design of textured micro-thrust bearings. computational fluid dynamics friction genetic algorithms machine bearings micromotors minimisation Navier-Stokes equations numerical analysis Pareto optimisation rotors stators texture 3-D...

... as well as programming effort for the solution of the compressible-fluid Reynolds equation. 30 08 2010 20 11 2010 18 03 2011 18 03 2011 compressible flow computational fluid dynamics conjugate gradient methods differential equations Newton method Reynolds equation...

... of the three-dimensional, single-phase flow between a stationary and a rotating clutch plate is presented, which is capable of describing pressures and shear stress distribution for plates with radial grooved geometries. The computational fluid dynamics code FLUENT ® is used to examine the single-phase...

... and continuous phases to the total lubricant pressure and pressure gradient are functions of the oil concentration and the film thickness. The parameters used in these functions are determined by a series of computational fluid dynamics simulations. The onset of inversion and the viscosity after inversion...

... fluid dynamics fracture liquid films lubrication vaporisation negative squeeze behavior vaporization bubble dynamics Rayleigh–Plesset equation Lubricated contacts are a typical feature of most technical devices and machines. The dynamics of lubricants can be described by the Navier...

... 05 08 2008 02 12 2008 abrasion chemical mechanical polishing copper lubrication mechanical contact particle size slurries surface topography wear mixed lubrication chemical mechanical polishing contact mechanics particle dynamics computational fluid dynamics abrasive...

... view ( a ); cross-section plot p ( x , y = 0 ) ( b ) Convergence study for the second example (case 2) of Sec. 4 09 01 2008 18 08 2008 02 12 2008 boundary-value problems computational fluid dynamics finite element analysis flow simulation...

... 11 07 2008 26 11 2008 computational fluid dynamics disc drives hard discs magnetic heads magnetic recording microchannel flow Monte Carlo methods rarefied fluid dynamics Magnetic recording has become the main technology for the storage of digital data...

...Markus Hartinger; Marie-Laure Dumont; Stathis Ioannides; David Gosman; Hugh Spikes In this paper a computational fluid dynamics (CFD) approach for solving elastohydrodynamic lubrication using the freely available package OPENFOAM is introduced. The full Navier–Stokes equations are solved, which...

..., the objective of this paper, which is a continuation of the previous work ( 1 ), is to explain a mechanism of pressure buildup in a convergent gap due to texture. A computational fluid dynamics (CFD) code is used to numerically analyze the fluid flow. Firstly, a smooth case is investigated for different...

... bearing and, together with bearing force models, yields a criterion for whirl instability onset. Detailed three-dimensional computational fluid dynamics calculations of the journal bearing flow have been conducted to assess the criterion. A singular behavior in whirl ratio as a function of the reduced...

... to be established. However, it is very difficult to obtain the detailed information about the flow structure from flow visualization because of a very thin bearing clearance. Therefore, we calculated the flow field using computational fluid dynamics, which can solve the Navier-Stokes equations directly...

...Gocha Chochua; Thomas A. Soulas A method is proposed for computations of rotordynamic coefficients of deliberately roughened stator gas annular seals using computational fluid dynamics. The method is based on a transient analysis with deforming mesh. Frequency-dependent direct and cross-coupled...

...Adnan Al-Ghasem, Ph.D. Candidate; G. L. Morrison; John P. Platt, Jr. The effectiveness of a computational fluid dynamics (CFD) commercial code to accurately predict the leakage rate for a windback seal was evaluated. The windback seal under consideration has a rectangular cavity and is similar...

... is predicted. The behavior of the turbulent flows with very high Reynolds number was also investigated. The physical and practical implications of the results are discussed. 02 03 2006 27 06 2006 computational fluid dynamics seals (stoppers) turbulence flow simulation Couette flow...

... by multiplying the torque in the axisymmetric case with the fraction of area which is not grooved. This method is valid only if the entire flow is single-phase. 25 02 2004 19 09 2005 clutches plates (structures) drag computational fluid dynamics The fluid motion over a single...

... cavitation. machine bearings surface texture perturbation theory shapes (structures) friction computational fluid dynamics 11 01 2005 10 06 2005 13 06 2005 2005 American Society of Mechanical Engineers ...