Magnetic Field Dependent Measurement Techniques of Surface Tension of Magnetic Fluid at an Air Interface

被引：7

作者：

Nair, Nishant ^{[1
]}

Virpura, Hiral ^{[1
]}

Patel, Rajesh ^{[1
]}

机构：

[1] Maharaja Krishankumarsinhji Bhavnagar Univ, Dept Phys, Bhavnagar 364002, Gujarat, India

来源：

PROCEEDINGS OF THE 59TH DAE SOLID STATE PHYSICS SYMPOSIUM 2014 (SOLID STATE PHYSICS) | 2015年 / 1665卷

关键词：

Magnetic fluid; Surface tension; magnetic susceptibility;

D O I：

10.1063/1.4918215

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We describe here two measurement techniques to determine surface tension of magnetic fluid. (i) magnetic field dependent capillary rise method and (ii) Taylor wavelength method in which the distance between the consecutive stable spikes was measured and then surface tension was calculated. The surface tension measurements from both the methods are compared. It is observed that surface tension of magnetic fluid increases with increase in magnetic field due to field dependent structure formation in magnetic fluid at an air interface. We have also measured magnetic susceptibility and surface tension for different volume fractions. The measurement of magnetic susceptibility is carried out using Quincke's experimental techniques.

引用

页数：3

共 13 条

[1] Surface tension measurement techniques of magnetic fluids at an interface between different fluids using perpendicular field instability [J].