한국가시화정보학회지 (Journal of the Korean Society of Visualization)

  • 제12권1호
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  • Pages.35-42
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  • 2014
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  • 1598-8430(pISSN)
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  • 2093-808X(eISSN)
한국가시화정보학회 (The Korean Society of Visualization)
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자기공명유속계를 이용한 난류 유동장 가시화

Validation of Magnetic Resonance Velocimetry by Turbulent Pipe Flow

  • Lee, Jeesoo (Department of Mechanical Convergence Engineering, Hanyang University) ;
  • Song, Simon ;
  • Cho, Jee-Hyun (Division of Magnetic Resonance Research, Korea Basic Science Institute)
  • 투고 : 2014.03.11
  • 심사 : 2014.04.23
  • 발행 : 2014.04.30
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초록

Magnetic resonance velocimetry (MRV) is a versatile flow visualization technique using magnetic resonance imaging machine developed for the medical purpose. Recently, MRV is often utilized to analyze engineering flows due to its superior features of MRV such as capabilities of measuring flows with complicated, opaque flow geometry unlike optical techniques, 3-dimensional volumetric velocity vectors within a few hours, and etc. The purpose of this study was to validate the MRV data and evaluate the accuracy of the mean velocity profiles that we acquired for a turbulent flow in a circular pipe using a MR machine installed in Korea Basic Science Institute, Ochang, Korea. In addition, we briefly describe a procedure of parameter optimization for the operation of MRV. The results indicate that the MRV measurements provided well resolved mean velocity fields with a quite reasonable accuracy according to the inner and outer layer scaling laws of the turbulent pipe flows.

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참고문헌

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