Abstract
Ultrasonic Velocity Profile (UVP) method is a measuring method with the velocity component along the ultrasonic beam. It is useful method as velocity profile measurement of an opaque fluid like a magnetic fluid. When we apply the ultrasonic method to some fluids, we have to obtain the ultrasonic propagation velocity in those fluids. However, ultrasonic propagation velocity in magnetic fluid has not been investigated in detail. In this present paper, we measured the ultrasonic propagation velocity in a magnetic fluid precisely and analyzed the influence of the chain like cluster under magnetic field on the ultrasonic propagation velocity. On the basis of these results, oscillating pipe flow of a magnetic fluid was investigated experimentally by the UVP method.
Published Version
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