Investigation of cluster growth in MR fluids using ultrasonic wave propagation

被引：2
|
作者：
Isnikurniawan, A. [1 ]
Kuroiwa, J. [2 ]
Abell, S. [1 ]
Sawada, T. [1 ]
机构：
[1] Keio Univ, Dept Mech Engn, Kohoku Ku, 3-14-1 Hiyoshi, Yokohama, Kanagawa 2238522, Japan
[2] Panason Corp, Circuit Components Business Unit Ind Devices Co, Toyook, Hyogo, Japan
来源：
13TH INTERNATIONAL CONFERENCE ON ELECTRORHEOLOGICAL FLUIDS AND MAGNETORHEOLOGICAL SUSPENSIONS (ERMR2012) | 2013年 / 412卷
关键词：
D O I：
10.1088/1742-6596/412/1/012019
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
This research reports the experimental results of a study on cluster growth in Magneto-rheological (MR) fluid. The experiments were conducted by applying different magnetic field (M/F) sweep rates to MR fluid. A magnetic field was swept from 0 to 400 mT at different times. Since the MR fluid is opaque, an ultrasonic measurement method was applied. Ultrasonic propagation velocity (V) in MR fluid is dependent on magnetic field and is strongly related to cluster formation in this fluid. Therefore, ultrasonic propagation velocity was measured and the change of ultrasonic propagation velocity (Delta V/V-0) was calculated. Based on the experimental results, cluster growth in MR fluids can be analyzed experimentally. Effect of volume fraction in MR fluid on cluster growth is presented. Furthermore, the relation between the change of ultrasonic propagation velocity and M/F sweep rate is discussed.
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页数：5
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