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Dewetting behaviour of liquid bridges stretched by an accelerated plate

Brulin, Sebastian ; Roisman, Ilia V. ; Tropea, Cameron (2018):
Dewetting behaviour of liquid bridges stretched by an accelerated plate.
ICLASS 2018, 14th Triennial International Conference on Liquid Atomization and Spray Systems, Chicago, July 22-26, 2018, [Conference or Workshop Item]

Abstract

Liquid bridge stretching is of interest for a wide field of industrial applications like printing and coating, but also for the functioning of aircraft engines because of its importance in the process of ice crystal icing. In the present experimental study, the focus lies on describing the geometry of the liquid bridge during the stretching process with respect to midpoint diameter, contact line diameter and contact angle for constant accelerations from 10m/s 2 up to 180m/s 2 . The observed evolution of the dynamic contact angle is described as a function of the capillary number. For the early phase of the stretching process relations for the curvature and midpoint diameter are proposed.

Item Type: Conference or Workshop Item
Erschienen: 2018
Creators: Brulin, Sebastian ; Roisman, Ilia V. ; Tropea, Cameron
Title: Dewetting behaviour of liquid bridges stretched by an accelerated plate
Language: English
Abstract:

Liquid bridge stretching is of interest for a wide field of industrial applications like printing and coating, but also for the functioning of aircraft engines because of its importance in the process of ice crystal icing. In the present experimental study, the focus lies on describing the geometry of the liquid bridge during the stretching process with respect to midpoint diameter, contact line diameter and contact angle for constant accelerations from 10m/s 2 up to 180m/s 2 . The observed evolution of the dynamic contact angle is described as a function of the capillary number. For the early phase of the stretching process relations for the curvature and midpoint diameter are proposed.

Divisions: 16 Department of Mechanical Engineering
16 Department of Mechanical Engineering > Fluid Mechanics and Aerodynamics (SLA)
DFG-Collaborative Research Centres (incl. Transregio)
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1194: Interaction between Transport and Wetting Processes
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1194: Interaction between Transport and Wetting Processes > Research Area A: Generic Experiments
DFG-Collaborative Research Centres (incl. Transregio) > Collaborative Research Centres > CRC 1194: Interaction between Transport and Wetting Processes > Research Area A: Generic Experiments > A03: Investigation of Fast De-wetting from Substrates with Complex Surface Morphologies
Event Title: ICLASS 2018, 14th Triennial International Conference on Liquid Atomization and Spray Systems
Event Location: Chicago
Event Dates: July 22-26, 2018
Date Deposited: 15 Mar 2019 13:34
Official URL: https://tuprints.ulb.tu-darmstadt.de/9279
URN: urn:nbn:de:tuda-tuprints-92792
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