Properties of ultrasonic propagation in functional fluids under magnetic fields

M. Motozawa, Tatsuo Sawada, Y. Matsumoto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The properties of ultrasonic propagation velocity in water-based and kerosene-based magnetic fluids and an MR fluid are examined experimentally. The ultrasonic frequency used is 1 MHz and the measurement scheme is based on the pulse method. The external magnetic field intensity is vaned from 0 mT to 550 mT and is swept at a constant rate dB /dt (sweep rate). The ultrasonic propagation velocity changes with applied magnetic field and hysteresis is observed. The properties of ultrasonic propagation seem to be highly influenced by the formation of chain-like clusters (in the magnetic fluids) and robust clusters (in the MR fluid).

Original languageEnglish
Title of host publicationProceedings of the 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions
Pages248-255
Number of pages8
Publication statusPublished - 2007
Event10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions, ERMR 2006 - Lake Tahoe, NV, United States
Duration: 2006 Jun 182006 Jun 22

Other

Other10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions, ERMR 2006
CountryUnited States
CityLake Tahoe, NV
Period06/6/1806/6/22

Fingerprint

Ultrasonic propagation
Magnetic fluids
Magnetic fields
Fluids
Magnetic hysteresis
Kerosene
Ultrasonics
Water

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes

Cite this

Motozawa, M., Sawada, T., & Matsumoto, Y. (2007). Properties of ultrasonic propagation in functional fluids under magnetic fields. In Proceedings of the 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions (pp. 248-255)

Properties of ultrasonic propagation in functional fluids under magnetic fields. / Motozawa, M.; Sawada, Tatsuo; Matsumoto, Y.

Proceedings of the 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions. 2007. p. 248-255.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Motozawa, M, Sawada, T & Matsumoto, Y 2007, Properties of ultrasonic propagation in functional fluids under magnetic fields. in Proceedings of the 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions. pp. 248-255, 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions, ERMR 2006, Lake Tahoe, NV, United States, 06/6/18.
Motozawa M, Sawada T, Matsumoto Y. Properties of ultrasonic propagation in functional fluids under magnetic fields. In Proceedings of the 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions. 2007. p. 248-255
Motozawa, M. ; Sawada, Tatsuo ; Matsumoto, Y. / Properties of ultrasonic propagation in functional fluids under magnetic fields. Proceedings of the 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions. 2007. pp. 248-255
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