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Keywords: CFD
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. August 2024, 146(8): 084101.
Paper No: TRIB-23-1353
Published Online: April 22, 2024
... fluid dynamics (CFD) simulations are conducted to evaluate an air thrust foil bearing model performance. The highest temperature value occurring in the fluid and load-carrying capacity is selected as the output to find optimum design values. The design of experiments (DOE) technique is utilized...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. January 2024, 146(1): 014401.
Paper No: TRIB-23-1114
Published Online: September 27, 2023
... (CFD) simulations and an effective film thickness analysis framework, the additional groove shear stress component is identified as a form shear stress (FSS) due to its clear relationship to the effective film thickness behavior. The FSS is quantified as a correction to traditional shear stress...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. November 2023, 145(11): 114103.
Paper No: TRIB-23-1043
Published Online: August 29, 2023
... splashing inside the gearbox is also presented and compared to computational fluid dynamics (CFD) results from the lattice-Boltzmann method with the volume of fluid model, instead of the traditional finite volume method. Four different configurations, including a spur gear based on the standard FZG geometry...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. March 2022, 144(3): 031202.
Paper No: TRIB-21-1368
Published Online: November 9, 2021
...Shuai Mo; Changpeng Zhou; Heyu Dang In order to study the influence of fuel injection nozzle arrangement on the lubrication effect of arc tooth cylindrical gear, a model of fuel injection lubrication was established, and computational fluid dynamics (CFD) software was used for simulation...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. September 2021, 143(9): 091602.
Paper No: TRIB-20-1440
Published Online: January 8, 2021
... the multiphysics simulation software ansys , wherein an iterative implicit coupling scheme is implemented to facilitate the interaction between fluid and solid components. The model uses a finite volume method (FVM) based computational fluid dynamics (CFD) solver to determine the lubricant flow behavior using...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Tribol. January 2014, 136(1): 011702.
Paper No: TRIB-13-1051
Published Online: October 3, 2013
... the load carrying capacity. The bearing tribological performance is characterized by means of computational fluid dynamics (CFD) simulations, based on the numerical solution of the Navier–Stokes and energy equations for incompressible flow. Realistic boundary conditions are implemented. The effects...
Journal Articles
Publisher: ASME
Article Type: Other (Seals, Manufacturing)
J. Tribol. April 2012, 134(2): 022202.
Published Online: April 12, 2012
...Patrick J. Migliorini; Alexandrina Untaroiu; Houston G. Wood; Paul E. Allaire This paper presents a new computational fluid dynamics (CFD)/bulk-flow hybrid method to determine the rotordynamic characteristics of annular gas seals. The method utilizes CFD analysis to evaluate the unperturbed base...
Journal Articles
Publisher: ASME
Article Type: Hydrodynamic Lubrication
J. Tribol. April 2012, 134(2): 021703.
Published Online: April 12, 2012
...Yifan Qiu; M. M. Khonsari In this study, a three-dimensional thermohydrodynamic (THD) CFD model is developed to study the characteristics of an inward pumping spiral groove mechanical seal pair using a commercial CFD software CFD-ACE + . The model is capable of predicting the temperature...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2008, 130(4): 041503.
Published Online: August 5, 2008
...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...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. October 2007, 129(4): 963–967.
Published Online: April 18, 2007
...Jiang Li; Haosheng Chen A discrete probability distribution function is used to represent the squared transverse roughness effect in a modified Reynolds equation, and the Reynolds equation is used to calculate the hydrodynamic lubrication in a slider-disk interface compared to the CFD method. When...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Tribol. April 2007, 129(2): 424–429.
Published Online: October 20, 2006
... rig for seal design and optimization. seals (stoppers) computational fluid dynamics rotors design engineering compressors numerical analysis CFD hole-pattern seal gas seal damper seal rotordynamic coefficients centrifugal compressor The operation of high-performance...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Tribol. January 2007, 129(1): 120–128.
Published Online: June 27, 2006
... laminar flow sealing materials mechanical seal flow field CFD K−ε turbulence model fractional approach method The most practical and common method for preventing process fluid (sometimes hazardous) from leaking out of the pump into the surroundings is to isolate the rotating shaft and its...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2006, 128(3): 559–565.
Published Online: March 6, 2006
... A CFD analysis of the flow inside the chamber of a seal is preformed and a series of flow simulations for the flow around the mechanical seal rings is presented. In this paper only laminar flow is considered. This applies when the fluid has a high viscosity such as the case when engine oil is used...