可視化情報学会誌
Online ISSN : 1884-037X
Print ISSN : 0916-4731
ISSN-L : 0916-4731
204 円柱体に衝突する不足膨張噴流
樫村 秀男安信 強
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1993 年 13 巻 Supplement2 号 p. 95-98

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The self induced flow oscillation occurs when an underexpanded sonic or supersonic jet impinges on an obstacle. The flow visualization using the shadowgraph method is carried out and compared with the numerical result connected with the flow field. The optical images are analyzed by the image processing system with a personal computer. The range of the oscillation as a function of the ratio of reservoir to ambient pressure is explained. The experimental results as concerns characteristic of the flow oscillation agree with the numerical calculation solved by the TVD method.

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