The theoretical and experimental study of a novel two-dimensional magnetic fluid accelerometer

Qian, Leping; Li, Decai; Yu, Jun

doi:10.1109/jsen.2016.2614306

Cited by 5 publications

(1 citation statement)

References 11 publications

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“…The magnetic nanoparticles coated with surfactant are uniformly dispersed in the liquid carrier. As a new type of functional material with fluidity and magnetism, the combi nation of fluidity and magnetism of magnetic fluid has been exploited in many applications, such as sealing [1], sensors and actuators [2][3][4][5][6], shock absorber [7], positioning system [8,9] and so on. One of the most important properties of magn etic fluid is that a magnet, whose density is greater than that of magnetic fluid, can be stably suspended in the magn etic fluid.…”

Section: Introductionmentioning

confidence: 99%

A novel method for calculating and measuring the second-order buoyancy experienced by a magnet immersed in magnetic fluid

Yu¹,

Du²,

Li³

2017

J. Phys. D: Appl. Phys.

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The phenomenon whereby an object whose density is greater than magnetic fluid can be suspended stably in magnetic fluid under the magnetic field is one of the peculiar properties of magnetic fluids. Examples of applications based on the peculiar properties of magnetic fluid are sensors and actuators, dampers, positioning systems and so on. Therefore, the calculation and measurement of magnetic levitation force of magnetic fluid is of vital importance. This paper concerns the peculiar second-order buoyancy experienced by a magnet immersed in magnetic fluid. The expression for calculating the second-order buoyancy was derived, and a novel method for calculating and measuring the second-order buoyancy was proposed based on the expression. The second-order buoyancy was calculated by ANSYS and measured experimentally using the novel method. To verify the novel method, the second-order buoyancy was measured experimentally with a nonmagnetic rod stuck on the top surface of the magnet. The results of calculations and experiments show that the novel method for calculating the second-order buoyancy is correct with high accuracy. In addition, the main causes of error were studied in this paper, including magnetic shielding of magnetic fluid and the movement of magnetic fluid in a nonuniform magnetic field.

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Section: Introductionmentioning

confidence: 99%

A novel method for calculating and measuring the second-order buoyancy experienced by a magnet immersed in magnetic fluid

Yu¹,

Du²,

Li³

2017

J. Phys. D: Appl. Phys.

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The Study of a Novel Tilt Sensor Using Magnetic Fluid and Its Detection Mechanism

Tan

et al. 2017

IEEE Sensors J.

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Effective and Practical Methods to Calculate the Second-Order Buoyancy in Magnetic Fluid Acceleration Sensor

et al. 2018

IEEE Sensors J.

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The theoretical and experimental study of a novel two-dimensional magnetic fluid accelerometer

Cited by 5 publications

References 11 publications

A novel method for calculating and measuring the second-order buoyancy experienced by a magnet immersed in magnetic fluid

A novel method for calculating and measuring the second-order buoyancy experienced by a magnet immersed in magnetic fluid

The Study of a Novel Tilt Sensor Using Magnetic Fluid and Its Detection Mechanism

Effective and Practical Methods to Calculate the Second-Order Buoyancy in Magnetic Fluid Acceleration Sensor

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