Instability of the ferrofluid layer on a magnetizable substrate in a perpendicular magnetic field

A. R. Zakinyan - L. S. Mkrtchyan

Institute of Natural Sciences, North-Caucasian Federal University, 1 Pushkin Str., 355009 Stavropol, Russian Federation

Abstract
The paper presents an experimental study of the instability of a magnetic fluid layer of finite thickness covering a magnetizable metal plate exposed to a perpendicular magnetic field. The critical field strength and the instability wave number have been measured. Figs 6, Refs 7.