✦ LIBER ✦

Hydrodynamic boundary conditions and radii

✍ Scribed by Myong-Ku Ahn

Publisher: Elsevier Science
Year: 1977
Tongue: English
Weight: 544 KB
Volume: 52
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(77)85137-3

No coin nor oath required. For personal study only.

✦ Synopsis

A gcneralizcd hydrodynamic surface boundary condition I\ proposed which encompasses both kinematic Jnd general slip boundary conditions. Use of this boundary condition in some cases results in a considerable reduction in the number of steps needed to solve a hydrodynamic problem. Epstein's cxprcsslon for the friction coefficient of a rotatmg rough sphere is obtained using this approach. Tlw rcsulL IS applied 10 ~hc: cxpcrirncntnl data of VanderHart for chloroform. This amllysir gives pa = 7.3 CP and a = 1.5 A where p is the coefficient of sliding friction and a is the hydrodynamic radius. Thk vdue of a obtained from the reorientation4 correlation times is consistent with the value of 1.66 A obtained from belt-diffusion data using the SBIIIC pa.

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