LONG-TIME ROTATIONAL MOTION OF A RIGID-BODY IMMERSED IN A VISCOUS-FLUID

被引：14

作者：

CICHOCKI, B

FELDERHOF, BU

机构：

[1] Institut für Theoretische Physik A, R.W.T.H. Aachen, Templergraben 55

[2] On leave of absence from: Institute of Theoretical Physics, Warsaw University, 00-618 Warsaw

[3] Institute of Fundamental Technological Research, Polish Academy of Sciences, 00-049 Warsaw

来源：

PHYSICA A | 1995年 / 213卷 / 04期

关键词：

D O I：

10.1016/0378-4371(94)00230-Q

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A rigid body, immersed in a viscous incompressible fluid, and set in motion by a small applied torque of short duration, comes to rest very slowly. The time-dependence may be calculated from the frequency-dependent friction matrix. At long times the rotational velocity decays as t-(5/2) with a coefficient which depends on the shape of the body. The rotational velocity autocorrelation function of a Brownian particle has the same time-dependence.

引用

页码：465 / 473

页数：9

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