Surface Instability of Icicles

Details Surface Instability of Icicles Surface Instability of Icicles

2001-10-18

arxiv.org/abs/cond-mat/0110392v6

Physics

Condensed Matter

Materials Science

11 pages, 5 figures, Latex

Scientific paper

10.1103/PhysRevE.66.041202

Quantitatively-unexplained stationary waves or ridges often encircle icicles. Such waves form when roughly 0.1 mm-thick layers of water flow down the icicle. These waves typically have a wavelength of 1cm approximately independent of external temperature, icicle thickness, and the volumetric rate of water flow. In this paper we show that these waves can not be obtained by naive Mullins-Sekerka instability, but are caused by a quite new surface instability related to the thermal diffusion and hydrodynamic effect of thin water flow.

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