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Schwabe, Mierk und Zhdanov, Sergey und Räth, Christoph (2018) Turbulence in an autooscillating complex plasma. IEEE Transactions on Plasma Science, PP (99), Seiten 1-4. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/TPS.2017.2744682. ISSN 0093-3813.
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Offizielle URL: http://ieeexplore.ieee.org/document/8032485/
Kurzfassung
We present an experiment on the development of turbulence in a microparticle cloud in a low temperature plasma laboratory on board the International Space Station. First, the complex plasma cloud was stabilized with an alternating electric field. Once the stabilization was switched off, a so-called heartbeat instability developed in which the microparticles are oscillating radially. We show that the kinetic energy spectra develop a double cascade once the cloud becomes unstable. A double cascade has been predicted by Kraichnan and Leith for forced twodimensional turbulence, but has only seldomly been observed in experiments. We also show that the reduced rates of energy and enstrophy transfer can be used to infer the excitation wave number kexc, in good agreement with kexc obtained from the energy spectrum.
| elib-URL des Eintrags: | https://elib.dlr.de/114063/ | ||||||||||||||||
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| Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||
| Zusätzliche Informationen: | Copyright IEEE | ||||||||||||||||
| Titel: | Turbulence in an autooscillating complex plasma | ||||||||||||||||
| Autoren: |
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| Datum: | 2018 | ||||||||||||||||
| Erschienen in: | IEEE Transactions on Plasma Science | ||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||
| Open Access: | Ja | ||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||
| In SCOPUS: | Ja | ||||||||||||||||
| In ISI Web of Science: | Ja | ||||||||||||||||
| Band: | PP | ||||||||||||||||
| DOI: | 10.1109/TPS.2017.2744682 | ||||||||||||||||
| Seitenbereich: | Seiten 1-4 | ||||||||||||||||
| Verlag: | IEEE - Institute of Electrical and Electronics Engineers | ||||||||||||||||
| ISSN: | 0093-3813 | ||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||
| Stichwörter: | dusty plasma, complex plasma, turbulence, double cascade | ||||||||||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||
| HGF - Programm: | Raumfahrt | ||||||||||||||||
| HGF - Programmthema: | Forschung unter Weltraumbedingungen | ||||||||||||||||
| DLR - Schwerpunkt: | Raumfahrt | ||||||||||||||||
| DLR - Forschungsgebiet: | R FR - Forschung unter Weltraumbedingungen | ||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | R - Komplexe Plasmen / Schwerelosigkeit (alt) | ||||||||||||||||
| Standort: | Oberpfaffenhofen | ||||||||||||||||
| Institute & Einrichtungen: | Institut für Materialphysik im Weltraum > Gruppe Komplexe Plasmen | ||||||||||||||||
| Hinterlegt von: | Schwabe, Dr. Mierk | ||||||||||||||||
| Hinterlegt am: | 18 Sep 2017 12:59 | ||||||||||||||||
| Letzte Änderung: | 06 Sep 2019 15:21 |
Verfügbare Versionen dieses Eintrags
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Turbulence in an autooscillating complex plasma. (deposited 28 Aug 2017 10:15)
- Turbulence in an autooscillating complex plasma. (deposited 18 Sep 2017 12:59) [Gegenwärtig angezeigt]
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