B-H Relations of Magnetorheological Fluid under 2-D Rotating Magnetic Field Excitation

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
Proceedings of 2013 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices, 2013, pp. 94 - 97
Issue Date:
2013-01
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This paper presents the investigation of the B-H relations of a magnetorheological (MR) fluid under one-dimensional (1-D) alternating and two-dimensional (2-D) rotating magnetic field excitations where B is magnetic flux density and H is magnetic field strength. The measurement is carried out by using a single sheet tester with an MR fluid sample. The measurement principle and structure of the testing system are described. The calibration of the B and H sensing coils are also reported. The relations between B and H on the MR fluid sample under 2-D rotating magnetic field excitations have been measured and compared with the results under 1-D excitations showing that the B-H relations under 2-D excitations are significantly different from the 1-D case. These data would be useful for design and analysis of MR smart structures like MR dampers.
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