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Atomization and Sprays

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ISSN Print: 1044-5110
ISSN Online: 1936-2684

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Atomization and Sprays


pages 47-61

INTERACTION BETWEEN TWO THIN LIQUID JETS WITH DISINTEGRATION BY GAS FLOW

Hiroyuki Hashimoto
Institute of Fluid Science, Tohoku University, Sendai, Japan
T. Suzuki
Graduate School of Engineering, Tohoku University, 2-1-1 Katahira, Sendai, 980 Japan
T. Matsuya
Miyagi National College of Technology

ABSTRACT

The interaction between two thin liquid jets in a cocurrent gas stream was investigated experimentally. It was confirmed that the interaction characteristics, flow pattern, and wave frequency are closely related to the dimensionless distance between the nozzles, W/D. Furthermore in the case of 8 > W/D > 2, the interaction between two liquid jets promotes vibrations with amplitude larger than that of the single jet. It appears that spray performance can be improved by controlling the wave motions of the thin liquid jets through changing their interaction.