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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Elhanafi, S. Farhang, K. |
| Copyright Year | 2007 |
| Abstract | This paper considers leakage in mechanical seals under hydrostatic operating condition. A contact model based on the Greenwood and Williamson contact of rough surfaces is developed for treating problems involving mechanical seals in which both the micron scale roughness of the seal face and its macro scale profile are used to obtain either a closed-form equation or a nonlinear equation relating mean plane separation to the mass flow rate. The equations involve the micron scale geometry of the rough surfaces and physical parameter of the seal and carriage. Under hydrostatic condition, it is shown that there is an approximate closed-form solution in which mass flow rate in terms of the mean plane separation, or alternatively, the mean plane separation in terms of the leakage mass flow rate is found. Equations pertaining to leakage in nominally flat seal macro profile is considered and closed form equation relating to leakage flow rate to pressure difference is obtained that contain macro and micron geometries of the seal. |
| Sponsorship | Tribology Division |
| Starting Page | 505 |
| Ending Page | 507 |
| Page Count | 3 |
| File Format | |
| ISBN | 0791848108 |
| DOI | 10.1115/IJTC2007-44460 |
| e-ISBN | 0791838110 |
| Volume Number | ASME/STLE 2007 International Joint Tribology Conference, Parts A and B |
| Conference Proceedings | ASME/STLE 2007 International Joint Tribology Conference |
| Language | English |
| Publisher Date | 2007-10-22 |
| Publisher Place | San Diego, California, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Leakage Geometry Hydrostatics Nonlinear equations Surface roughness Railroad passenger cars Separation (technology) Leakage flows Flow (dynamics) Pressure |
| Content Type | Text |
| Resource Type | Article |
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