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A Study on the Two-dimensional Formation Control of Free Surface of Magnetic Fluid by Electromagnetic Force  

Bae Hyung-Sub (부산대학교 대학원)
Yang Taek-Joo (부산대학교 대학원)
Lee Yuk-Hyung (울산과학대학 디지털기계학부)
Joo Dong-Woo (양산대학 자동차학과)
Park Myeong-Kwan (부산대학교 기계공학부 및 기계기술연구소)
Publication Information
Journal of the Korean Society for Precision Engineering / v.22, no.3, 2005 , pp. 29-37 More about this Journal
Abstract
In this study, the control of the free surface deformation of a magnetic fluid for the change in electromagnetic force is discussed. The free surface of magnetic fluid is formed by the balance of surface force, gravity, pressure difference, magnetic normal pressure and magnetic body force. Magnetic fluid in characteristics of fluid adjusted to the opposite direction of the gravity direction. Thus, the device of a magnetic fluid proposed the complete zero-leakage sealing, oscillator for surface control, boundary layer control, MHD, flow control, flow using magnetic levitation system and surface actuator. This study show the deformation of surface rise due to the intensity of the magnetic field and possibility of two-dimensional control of magnetic fluid through the feedback data of hall sensor.
Keywords
Magnetic Fluid; Electromagnetic; Hall Sensor; LabView; Surface Control; PID Control;
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