交流磁場における磁性流体界面の不安定性 : 第2報,不安定限界曲線に関する実験

概要

論文の詳細を見る
Interfacial waves of magnetic fluids in a vessel excited by sinusoidal and triangular alternating magnetic fields normal to the interface are experimentally investigated. The excited waves are classified into two groups : the first is an oscillating standing wave which is observed in relatively low frequency of the magnetic fields and has the same frequency of them, the second is a steady wave observed in the case of relatively high frequency. When fluid depth is shallow compared with the wavelength, damping effect by viscosity is dominant and a critical magnetic field strength in which the oscillating wave first occurs exists. On the other hand, the steady wave is not so much affected by viscosity and the wavenumber and critical magnetic field strength for production are in good agreement with the inviscid theory in the previous paper.
社団法人日本機械学会の論文
1989-12-25