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《Journal of Zhejiang University(Engineering Science)》 2001-04
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Observation of the vertical water outflowing jet morphology

LI Jian\+1,LING Guo-ping\+1,ZHANG Sheng-cai\+1,XU Sen-hu\+2\;(1.Dept. Material Science & Engineering, Zhejiang Uni., Hangzhou 310027, China; 2. Hangzhou Broadcasting & TV College, Hangzhou 310009, China)  
By a self-designed rig for morphology observation of vertical water outflowing jet, therelationship of the morphology to both water head and axis change of the nozzle with a flat ellipse section was investigated, the outflowing jet morphology was photographed by a camera. The outflowing jet near the outlet shows 2~3 pieces of shuttle-like divisions and an orthogonal axis alternation of the flat ellipse section around the vertical direction, and the division length is proportional to water head. The cause of the phenomenon was discussed briefly.
【CateGory Index】: O358
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