Dielectrophoresis of air
| Autor: | Keith A. Brown, Lucas Soffer, Brian Walsh, Aleksandrs Zosuls, Abigail Rendos |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
010302 applied physics
Materials science Physics and Astronomy (miscellaneous) chemistry.chemical_element 02 engineering and technology Dielectrophoresis 021001 nanoscience & nanotechnology 01 natural sciences Nitrogen Physics::Fluid Dynamics chemistry.chemical_compound chemistry Computer Science::Sound Chemical physics Electric field 0103 physical sciences Electrode Carbon dioxide 0210 nano-technology |
| Zdroj: | Applied Physics Letters. 116:084101 |
| ISSN: | 1077-3118 0003-6951 |
| DOI: | 10.1063/5.0002286 |
| Popis: | Dielectrophoresis describes neutral particles moving in non-uniform electric fields. We experimentally observe the dielectrophoresis of gas generated by macroscopic electrodes and show that this effect can be large enough to generate audible sound. The observed sound agrees with a multiscale model of dielectrophoresis of gas. The compositional dependence of this effect is shown through experiments on mixtures of nitrogen and carbon dioxide, as well as volatile molecules in air. |
| Databáze: | OpenAIRE |
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