论文信息 - Simple swimmer at low Reynolds number: three linked spheres.

Simple swimmer at low Reynolds number: three linked spheres.

We propose a very simple one-dimensional swimmer consisting of three spheres that are linked by rigid rods whose lengths can change between two values. With a periodic motion in a nonreciprocal fashion, which breaks the time-reversal symmetry as well as the translational symmetry, we show that the model device can swim at low Reynolds number. This model system could be used in constructing molecular-sized machines.

A. Najafi | R. Golestanian

[1] G. Taylor. Analysis of the swimming of microscopic organisms , 1951, Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences.

[2] G. Batchelor,et al. An Introduction to Fluid Dynamics , 1968 .

[3] 脇屋正一,et al. J. Happel and H. Brenner: Low Reynolds Number Hydrodynamics, Prentice-Hall, 1965, 553頁, 16×23cm, 6,780円. , 1969 .

[4] G. Batchelor,et al. Brownian diffusion of particles with hydrodynamic interaction , 1976, Journal of Fluid Mechanics.

[5] S. Childress. Mechanics of swimming and flying: Frontmatter , 1977 .

[6] E. Purcell. Life at Low Reynolds Number , 2008 .

[7] F. Wilczek,et al. Self-propulsion at low Reynolds number. , 1987, Physical review letters.

[8] Samuel,et al. Propulsion of Microorganisms by Surface Distortions. , 1996, Physical review letters.

[9] E. Purcell. The efficiency of propulsion by a rotating flagellum. , 1997, Proceedings of the National Academy of Sciences of the United States of America.

[10] Frank Jülicher,et al. Self-Organized Beating and Swimming of Internally Driven Filaments , 1999 .

[11] H. Stone,et al. A note on swimming using internally generated traveling waves , 1999 .

[12] J Klafter,et al. Atomic scale engines: cars and wheels. , 2000, Physical review letters.

[13] L. E. Becker,et al. On self-propulsion of micro-machines at low Reynolds number: Purcell's three-link swimmer , 2003, Journal of Fluid Mechanics.