| contributor author | H. Hashimoto | |
| contributor author | S. Wada | |
| date accessioned | 2017-05-08T23:31:14Z | |
| date available | 2017-05-08T23:31:14Z | |
| date copyright | January, 1989 | |
| date issued | 1989 | |
| identifier issn | 0742-4787 | |
| identifier other | JOTRE9-28474#17_1.pdf | |
| identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/106093 | |
| description abstract | A new theoretical approach to turbulent lubrication problems including the surface roughness effects is described. On the basis of a logarithmic velocity distribution law in the turbulent boundary layers, the resistance laws for pressure and shear flows in the lubricant film are formulated separately in both cases of smooth and homogeneous rough surfaces. Moreover, combining the bulk flow concept proposed by Hirs with the formulated resistance laws, the generalized turbulent lubrication equation including the surface roughness effects is derived. Some numerical results for the modified turbulence coefficients are presented in the graphic form for different values of relative roughness, and the effects of surface roughness on the turbulent lubrication characteristics are generally discussed. | |
| publisher | The American Society of Mechanical Engineers (ASME) | |
| title | Theoretical Approach to Turbulent Lubrication Problems Including Surface Roughness Effects | |
| type | Journal Paper | |
| journal volume | 111 | |
| journal issue | 1 | |
| journal title | Journal of Tribology | |
| identifier doi | 10.1115/1.3261870 | |
| journal fristpage | 17 | |
| journal lastpage | 22 | |
| identifier eissn | 1528-8897 | |
| keywords | Lubrication | |
| keywords | Turbulence | |
| keywords | Surface roughness | |
| keywords | Electrical resistance | |
| keywords | Lubricants | |
| keywords | Shear flow | |
| keywords | Boundary layer turbulence | |
| keywords | Equations | |
| keywords | Pressure AND Flow (Dynamics) | |
| tree | Journal of Tribology:;1989:;volume( 111 ):;issue: 001 | |
| contenttype | Fulltext | |