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DOI QR Code

Single Plane Illumination Microscopy - MicroPIV를 이용한 버블 유동에서 외부 자계 영향을 받는 자성입자 가시화

Flow Visualization of Magnetic Particles under the external magnetic field in bubbly flow using Single Plane Illumination Microscopy - MicroPIV

  • Lee, Changje (Research Institute of Maritime Industry, Korea Maritime and Ocean University) ;
  • Cho, Gyeong-rae (Department of Mechanical Engineering, Korea Maritime and Ocean University) ;
  • Lee, Sangyoup (Center for Bionics, Korea Institute Science and Technology)
  • 투고 : 2021.02.24
  • 심사 : 2021.03.26
  • 발행 : 2021.04.30

초록

This study measured the velocity of magnetic particles inside the power generation using external heat sources. Single Plane Illumination Microscopy (SPIM) was used to measure magnetic particles that are simultaneously affected by bubbly flow and magnetic field. It has the advantage of reducing errors due to particle superposition by illuminating the thin light sheet. The hydraulic diameter of the power generation is 3mm. Its surface is covered with a coil with a diameter of 0.3 mm. The average diameter of a magnetic particle is 200nm. The excitation and emission wavelengths are 530 and 650nm, respectively. In order to find out the flow characteristics, a total of four velocity fields were calculated in wide and narrow gap air bubbles, between the wall and the air bubble and just below the air bubble. Magnetic particles showed up to 8.59% velocity reduction in the wide gap between air bubbles due to external magnetic field.

키워드

참고문헌

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