Ouédraogo, Yun ; Gjonaj, Erion ; Weiland, Thomas ; De Gersem, Herbert ; Steinhausen, Christoph ; Lamanna, Grazia ; Weigand, Bernhard ; Preusche, Andreas ; Dreizler, Andreas
Langer, U. ; Amrhein, W. ; Zulehner, W. (eds.) (2018):
Modelling and Simulation of Electrically Controlled Droplet Dynamics.
In: Mathematics in Industry, In: Scientific Computing in Electrical Engineering, pp. 101-109, Springer, ISBN 978-3-319-75537-3,
DOI: 10.1007/978-3-319-75538-0_10,
[Book Section]
Abstract
The electrohydrodynamics of millimetric droplets under the influence of slowly varying electric fields is considered. Strong electric fields applied on liquids induce forces driving fluid motion. This effect can be used, among others, in on-demand droplet generators. In this work, we discuss a convection-conduction model for the simulation of droplet motion in strong electric fields. The model focuses on robustness with respect to topology changes and on dynamic charging effects in liquids. We illustrate the model with the simulation of electrically driven droplet generation. The simulated dynamics for droplets with different conductivities are compared with experiments.
| Item Type: | Book Section |
|---|---|
| Erschienen: | 2018 |
| Editors: | Langer, U. ; Amrhein, W. ; Zulehner, W. |
| Creators: | Ouédraogo, Yun ; Gjonaj, Erion ; Weiland, Thomas ; De Gersem, Herbert ; Steinhausen, Christoph ; Lamanna, Grazia ; Weigand, Bernhard ; Preusche, Andreas ; Dreizler, Andreas |
| Title: | Modelling and Simulation of Electrically Controlled Droplet Dynamics |
| Language: | English |
| Abstract: | The electrohydrodynamics of millimetric droplets under the influence of slowly varying electric fields is considered. Strong electric fields applied on liquids induce forces driving fluid motion. This effect can be used, among others, in on-demand droplet generators. In this work, we discuss a convection-conduction model for the simulation of droplet motion in strong electric fields. The model focuses on robustness with respect to topology changes and on dynamic charging effects in liquids. We illustrate the model with the simulation of electrically driven droplet generation. The simulated dynamics for droplets with different conductivities are compared with experiments. |
| Title of Book: | Scientific Computing in Electrical Engineering |
| Series Name: | Mathematics in Industry |
| Number: | 28 |
| Publisher: | Springer |
| ISBN: | 978-3-319-75537-3 |
| Divisions: | 16 Department of Mechanical Engineering 18 Department of Electrical Engineering and Information Technology 18 Department of Electrical Engineering and Information Technology > Institute of Electromagnetic Field Theory (from 01.01.2019 renamed Institute for Accelerator Science and Electromagnetic Fields) Profile Areas Profile Areas > Thermo-Fluids & Interfaces 16 Department of Mechanical Engineering > Institute of Reactive Flows and Diagnostics (RSM) |
| Date Deposited: | 12 Dec 2018 09:43 |
| DOI: | 10.1007/978-3-319-75538-0_10 |
| Additional Information: | TEMF-Pub-DB TEMF002687, Also part of the 11th International Conference on Scientific Computing in Electrical Engineering / October 3-7, 2016, St. Wolfgang, Austria |
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