대한기계학회논문집B (Transactions of the Korean Society of Mechanical Engineers B)

  • 제32권11호
  • /
  • Pages.863-869
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  • 2008
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  • 1226-4881(pISSN)
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  • 2288-5324(eISSN)
대한기계학회 (The Korean Society of Mechanical Engineers)
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직선형 5공 압력프로브의 새로운 교정 알고리듬 적용

Application of the New Calibration Algorithm of a Straight-Type Five-Hole Pressure Probe

  • 김장권 (군산대학교 동력기계시스템공학과) ;
  • 오석형 (군산대학교 기계공학부)
  • 발행 : 2008.11.01
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초록

This paper investigated the new calibration algorithm of a straight-type five-hole pressure probe for measuring three-dimensional flow velocity components. This new calibration algorithm was used for velocity data reduction from the calibration map and based on the combination of a look-up, a binary search algorithm and a geometry transformation including the translation and reflection of nodes in a calibration map. The calibration map was expanded up to the application angle, ${\pm}55^{\circ}$ of a probe. This velocity data reduction method showed a perfect performance without any kind of interpolating errors in calculating yaw and pitch angles from the calibration map. Moreover, when it was applied to an actual flow field including a swirling flow, a good result came out on the whole.

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참고문헌

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