しま走査干渉計の手法によるＭｏｉｒｅ´　ｄｅｆｌｅｃｔｏｍｅｔｒｙ

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書誌事項

タイトル別名
  • Moire deflectometry by the method of fringe scanning interferometry.
  • シマ ソウサ カンショウケイ ノ シュホウ ニ ヨル Moire deflec

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抄録

A novel high precise quantitative measuring method of the refractive index by appling the fringe scanning and the scanning moiré methods to moiré deflectometry is described. Since the proposed setup is founded on the shadowgraph apparatus, this system can be manipulated simpler than the interferometer. Then the automatic measurements can be performed by microcomputer. When this method is applied to the measurement of the fast air flow in the Laval nozzle, it is confirmed that close agreement between measured results and theoretical values is obtained. Furthermore the pressure mapping in the nozzle can be measured by assuming the relationship of the adiabatic change. These results show that this method is useful in the fields of flow visualization.

収録刊行物

  • 精密工学会誌

    精密工学会誌 54 (4), 726-730, 1988

    公益社団法人 精密工学会

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