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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Christopher, M. Helberg Jenny, E. Jackson James, E. Bryan |
| Copyright Year | 2005 |
| Abstract | A system was developed to study electrostatic force control in mesoscale and microscale fluidic phenomena. Utilizing the polarization (dielectrophoretic) force in a simple planar electrode configuration, control of a liquid-bubble interface is achieved. By applying a +dc voltage a 1Hz switching frequency to an array of four electrode pairs, pumping was produced with four fluids covering a wide range of electrical properties; the range of dielectric constant and electric conductivity was over 1 order of magnitude and 5 orders of magnitude, respectively. Simple analysis and initial experimentation provide evidence that the normal polarization stress at the liquid-bubble interface and surface tension are the primary driving force and retarding force, respectively that affect bubble motion. |
| Sponsorship | Fluids Engineering Division |
| Starting Page | 369 |
| Ending Page | 374 |
| Page Count | 6 |
| File Format | |
| ISBN | 0791842193 |
| DOI | 10.1115/IMECE2005-82878 |
| e-ISBN | 0791837696 |
| Volume Number | Fluids Engineering |
| Conference Proceedings | ASME 2005 International Mechanical Engineering Congress and Exposition |
| Language | English |
| Publisher Date | 2005-11-05 |
| Publisher Place | Orlando, Florida, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Electrodes Bubbles Fluids Electrical conductivity Polarization (light) Electrical properties Microscale devices Surface tension Polarization (waves) Force control Stress Polarization (electricity) |
| Content Type | Text |
| Resource Type | Article |
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