Properties of ultrasonic propagation in functional fluids under magnetic fields

M. Motozawa; T. Sawada; Y. Matsumoto

Properties of ultrasonic propagation in functional fluids under magnetic fields

M. Motozawa, T. Sawada, Y. Matsumoto

Department of Mechanical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference 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 language	English
Title of host publication	Proceedings of the 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions
Pages	248-255
Number of pages	8
Publication status	Published - 2007 Dec 1
Event	10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions, ERMR 2006 - Lake Tahoe, NV, United States Duration: 2006 Jun 18 → 2006 Jun 22

Publication series

Name	Proceedings of the 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions

Other

Other	10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions, ERMR 2006
Country/Territory	United States
City	Lake Tahoe, NV
Period	06/6/18 → 06/6/22

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). (Proceedings of the 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions).

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

Research output: Chapter in Book/Report/Conference proceeding › Conference 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. 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. Proceedings of the 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions. 2007. pp. 248-255 (Proceedings of the 10th International Conference on Electrorheological Fluids and Magnetorheological Suspensions).

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N2 - 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).

AB - 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).

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Properties of ultrasonic propagation in functional fluids under magnetic fields

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