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- W2762291567 abstract "The authors carried out a visiualizational model test by the hydrogen bubble method to examine the pattern of the fluid flow besides the simple camber type and plane type otter board in circulation water channel. The experimental conditions are velocity of flow 0.05 and 0.1m/sec, angle of attack 0˚~45˚(5˚step). The results obtained are as follows: 1. In the case of the simple camber type otter board located angle of attack 25˚, vortex at the leading edge was geneated at 1/2 of chord length. 2. Size of the vortex generated in the trailing edge was about 2~3 times larger then that of the leading edge. 3. In the case of the simple camber type otter board located angle of attack 30˚, separation of stream-line at leading edge was generated at 1/3 of chord length. 4. Nearest stream-line in the back side of the simple camber type otter board was bent in the direction of otter board when the angle of attack was 25˚ and 30˚, and in the case of plane type otter board was expanded outside of the flow direction. 6. Area separated of the simple camber type otter board at the angle of attack 30˚ was smaller then that of plane type otter board. 7. Flow speed in the back side of the simple camber type otter board was about 1.4 times faster then that in the front side, and in the case of the plane otter board about 1.2 times faster." @default.
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- W2762291567 date "1990-12-30" @default.
- W2762291567 modified "2023-09-23" @default.
- W2762291567 title "전개판에 대한 수치해석 ( 1 ) - 전개판 주위에서의 유체흐름의 패턴 -" @default.
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