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Journal Articles
Journal:
Journal of Tribology
Article Type: Research Papers
Publisher: ASME
J. Tribol. January 2024, 146(1): 014401.
Paper No: TRIB-23-1114
Published Online: September 27, 2023
Journal Articles
Journal:
Journal of Tribology
Article Type: Research Papers
Publisher: ASME
J. Tribol. December 2023, 145(12): 121402.
Paper No: TRIB-23-1161
Published Online: September 27, 2023
Journal Articles
Journal:
Journal of Tribology
Article Type: Research Papers
Publisher: ASME
J. Tribol. January 2024, 146(1): 011702.
Paper No: TRIB-23-1194
Published Online: September 27, 2023
Image
in Form Shear Stress Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
> Journal of Tribology
Published Online: September 27, 2023
Fig. 1 Baseline geometry and CFD setup for the single groove seal model, including boundary conditions More about this image found in Baseline geometry and CFD setup for the single groove seal model, including...
Image
in Form Shear Stress Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
> Journal of Tribology
Published Online: September 27, 2023
Fig. 2 Diagram of the effective film thickness for a single groove, shown as the yellow dotted line More about this image found in Diagram of the effective film thickness for a single groove, shown as the y...
Image
in Form Shear Stress Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
> Journal of Tribology
Published Online: September 27, 2023
Fig. 3 Sample processing and isolation of the effective film thickness (top) and individual components of the axial (middle) and circumferential (bottom) bulk flow momentum equations. The middle and bottom plots y -axis labels are defined in Eq. (9) . More about this image found in Sample processing and isolation of the effective film thickness (top) and i...
Image
in Form Shear Stress Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
> Journal of Tribology
Published Online: September 27, 2023
Fig. 4 Profiles of film thickness, cumulative axial FSS component, and cumulative circumferential FSS component (top to bottom) for various AR and constant operating conditions. Note that all profiles in the bottom two plots correspond to the FSS component. The middle and bottom plots y -axis lab... More about this image found in Profiles of film thickness, cumulative axial FSS component, and cumulative ...
Image
in Form Shear Stress Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
> Journal of Tribology
Published Online: September 27, 2023
Fig. 5 Top: sample axial FSS profile depicting the two linear approximations considered. The y -axis label is defined in Eq. (9) . Bottom: error in slope between the groove region fit and the applied net FSS contribution. More about this image found in Top: sample axial FSS profile depicting the two linear approximations consi...
Image
in Form Shear Stress Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
> Journal of Tribology
Published Online: September 27, 2023
Fig. 6 Axial and circumferential FSS ratios for a range of AR for all three AR sets. Results are approximately constant for AR > 2 and are thus omitted. More about this image found in Axial and circumferential FSS ratios for a range of AR for all three AR set...
Image
in Form Shear Stress Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
> Journal of Tribology
Published Online: September 27, 2023
Fig. 7 Data and surface model fits for the axial (top row) and circumferential (bottom row) FSS ratios for the shallow, middle, and deep data sets. Also included are the single groove validation case results (middle plots). The color (shading) scale for the surface model fits is uniform across eac... More about this image found in Data and surface model fits for the axial (top row) and circumferential (bo...
Image
in Form Shear Stress Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
> Journal of Tribology
Published Online: September 27, 2023
Fig. 8 Comparison of the model predicted axial (top) and circumferential (bottom) FSS ratios to those extracted from individual groove sections of the full seal CFD simulations. Groove number increases with axial location. Included are 95% confidence intervals for new model predictions, displayed ... More about this image found in Comparison of the model predicted axial (top) and circumferential (bottom) ...
Image
in Form Shear Stress Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
> Journal of Tribology
Published Online: September 27, 2023
Fig. 9 Prediction of leakage versus ξ g for the standard bulk flow method compared to the FSS modified bulk flow method and experimentally reported leakage. The vertical red (solid) line denotes the intersection between the standard bulk flow predictions and experimental results. More about this image found in Prediction of leakage versus ξ g for the standard bulk flow method com...
Image
in Form Shear Stress Correction in Bulk Flow Analysis of Grooved Seals Based on Effective Film Thickness
> Journal of Tribology
Published Online: September 27, 2023
Fig. 10 Prediction of the axial profile of circumferential velocity for the standard bulk flow method compared to the FSS modified bulk flow method and full seal CFD results More about this image found in Prediction of the axial profile of circumferential velocity for the standar...
Image
in Modeling of Flash Temperature for Elastic Sliding Contact of Single Micro-Asperity Pair
> Journal of Tribology
Published Online: September 27, 2023
Fig. 1 Sketch of sliding contact of a single hemispherical asperity pair More about this image found in Sketch of sliding contact of a single hemispherical asperity pair
Image
in Modeling of Flash Temperature for Elastic Sliding Contact of Single Micro-Asperity Pair
> Journal of Tribology
Published Online: September 27, 2023
Fig. 2 Contact characteristics of two sliding contact micro-asperities More about this image found in Contact characteristics of two sliding contact micro-asperities
Image
in Modeling of Flash Temperature for Elastic Sliding Contact of Single Micro-Asperity Pair
> Journal of Tribology
Published Online: September 27, 2023
Fig. 3 Circular heat source with a parabolic heat distribution More about this image found in Circular heat source with a parabolic heat distribution
Image
in Modeling of Flash Temperature for Elastic Sliding Contact of Single Micro-Asperity Pair
> Journal of Tribology
Published Online: September 27, 2023
Fig. 4 FEM model with completed meshing: ( a ) total view and ( b ) part-sectioned view of asperities More about this image found in FEM model with completed meshing: ( a ) total view and ( b ) part-sectioned...
Image
in Modeling of Flash Temperature for Elastic Sliding Contact of Single Micro-Asperity Pair
> Journal of Tribology
Published Online: September 27, 2023
Fig. 5 Mesh convergence test results for case 1 More about this image found in Mesh convergence test results for case 1
Image
in Modeling of Flash Temperature for Elastic Sliding Contact of Single Micro-Asperity Pair
> Journal of Tribology
Published Online: September 27, 2023
Fig. 6 FEM results with parameters R * = 0.824 μ m, d 0 = 0.1 μ m, U = 7.5 m/s: ( a ) sectional view of assembly with T distribution when T attains maximum value, ( b ) T distribution on Al 2 O 3 asperity surface at the moment of ( a ), ( c ) T distribution on SiC asperity surface... More about this image found in FEM results with parameters R * = 0.824 μ m, d 0 = 0.1 μ m, U = 7.5...
Image
in Modeling of Flash Temperature for Elastic Sliding Contact of Single Micro-Asperity Pair
> Journal of Tribology
Published Online: September 27, 2023
Fig. 7 p S-max under different parameter settings More about this image found in p S-max under different parameter settings
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