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강덕지,고영주,이경진,김신 제주대학교 공과대학 첨단기술연구소 2003 尖端技術硏究所論文集 Vol.14 No.2
Bubble detection is one of the most important measurements in the two-phase flows. For the purpose of the bubble detection, an optical fiber is used based on the fact that. An intensity of attenuated light varies according to the surrounding medium at the exposed core. Experiments are conducted to investigate. (1) the effect of length and diameter of the exposed core, (2) the effect of the shape of the exposed core (3) the effect of the size of the bubble, on the detection capability. The possibility of bubble detection with optical fibers is present in some geometrical conditions of optical fibers.