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New technique for producing highly uniform droplet streams over an extended range of disturbance wavenumbers

 

作者: M. Orme,   E. P. Muntz,  

 

期刊: Review of Scientific Instruments  (AIP Available online 1987)
卷期: Volume 58, issue 2  

页码: 279-284

 

ISSN:0034-6748

 

年代: 1987

 

DOI:10.1063/1.1139322

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A recent discovery about a well‐studied phenomenon leads to the formation of ultracoherent streams of liquid drops. A remarkably straightforward, although previously unreported, method of drop generation from capillary streams, which involves the imposition of an amplitude modulated sinusoidal carrier disturbance, is discussed. The amplitude‐modulated disturbance results in the production of highly stable droplet streams over a previously unattainable range of wavenumbers. A decrease in the speed variation of the drops within the stream, which is a result of the amplitude modulation, is demonstrated over a range of nondimensional wavenumbers from 0.4 to 0.04. The nondimensional wavenumber is the ratio of stream circumference to disturbance wavelength. It is suggested that amplitude modulating the capillary stream’s disturbance may also decrease the diameter variation of the drops.

 

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