An optical technique for detecting minute-amplitude standing waves on a liquid jet |
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| Authors: | I Takahashi Y H Mori |
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| Institution: | (1) Department of Mechanical Engineering, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, 223 Yokohama, Japan;(2) Present address: Industrial Machinery R & D Center, Research Center Research Division, Komatsu Ltd., 1200 Manda, Hiratsuka-shi, 254 Kanagawa, Japan |
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| Abstract: | A liquid jet emerging from a nozzle or an orifice whose outlet is slightly elliptic has a series of minute-amplitude waves on its surface. A quite simple technique is proposed which enables detecting such waves even if they are no longer recognizable with the aid of ordinary backlighting of the jet.This note describes a part of a study  Measurements of dynamic surface tension in relation to phase-change heat transfer which was subsidized from the Ministry of Eduction, Science and Culture, Japan through Grant No. 02650167 |
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