可視化情報学会誌
Online ISSN : 1884-037X
Print ISSN : 0916-4731
ISSN-L : 0916-4731
回流水槽内に定在する気泡の流跡輝度分布を用いた面内流場の流速計測
二宮 伸治茂里 一紘
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ジャーナル フリー

1992 年 12 巻 1Supplement 号 p. 35-38

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A new Image Tracing Velocimetry has been developed which uses the standing air bubbles in the circulating water channel as tracers. In this method, small air bubbles are illuminated with laser light sheet whose intensity is varying like saw-teeth wave to mark several sets of time history on a path line. The intensity profile, obtained by this method, is used to estimate the velocity. A feasibility application is made by measuring the uniform flow. Relatively high speed flows (over 1.0m/sec) can be measured by this method.

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