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Formation of a drop : viscosity dependence of three flow regimes

DOI zum Zitieren dieses Dokuments: https://doi.org/10.1088/1367-2630/5/1/359
URN to cite this document: urn:nbn:de:bvb:703-epub-4016-2

Title data

Rothert, Alexander ; Richter, Reinhard ; Rehberg, Ingo:
Formation of a drop : viscosity dependence of three flow regimes.
In: New Journal of Physics. Vol. 5 (2003) . - no. 59.1-59.13.
ISSN 1367-2630
DOI: https://doi.org/10.1088/1367-2630/5/1/359

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Abstract

We observe the drop pinch-off at a nozzle for different viscosities and investigate three consecutive flow types. In its first stage the neck of the drop shrinks in an accelerated manner similar to the instability of a liquid cylinder. In the vicinity of the pinch point the motion becomes self-similar at a certain time. The self-similar domain consists of two flow regimes separated by a second transition point. The viscosity dependence of the transition points can be described by linear functions. Moreover, it is uncovered that both transitions occur when two different critical neck radii are reached. These radii are found to be independent of viscosity.

Further data

Item Type: Article in a journal
Keywords: Nonlinear dynamics; Pattern formation; Spatially extended systems; Drop formation
DDC Subjects: 500 Science > 530 Physics
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V > Chair Experimental Physics V - Univ.-Prof. Dr. Ingo Rehberg
Profile Fields > Advanced Fields > Nonlinear Dynamics
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V
Profile Fields
Profile Fields > Advanced Fields
Language: English
Originates at UBT: Yes
URN: urn:nbn:de:bvb:703-epub-4016-2
Date Deposited: 20 Feb 2019 10:53
Last Modified: 20 Feb 2019 10:53
URI: https://epub.uni-bayreuth.de/id/eprint/4016

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