Stability Determination of Nanofluid Suspension Based on Maxwell's Electromagnetic Theory

Based on Maxwell's electromagnetic theory of the relationship between particle mass fraction and conductivity in suspension, this paper presents a method to determine the stability of nanofluid, and validates it by experiment. In the experiment, nanofluid consisting of deionized water and CuO nanoparticles is made by ultrasonic vibration. Relationship is obtained between mass fraction and conductivity by measuring conductivity. It studies the effects of temperature on the conductivity in the experiment. The result shows that: conductivity increases with the increasing of mass fraction, temperature almostly has no effect on conductivity.