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Recent Results from the Plasmakristall-4 (PK-4) Microgravity Complex Plasma Laboratory

Pustylnik, Mikhail and Hagl, Tanja C. and Nosenko, Volodymyr and Antonova, Tetyana and Rubin-Zuzic, Milenko and Zhdanov, Sergey and Kompaneets, Roman and Thomas, Hubertus M. and Lipaev, Andrey and Zobnin, Andrey and Usachev, Alexandr and Molotkov, Vladimir and Petrov, Oleg and Fortov, Vladimir and Thoma, Markus and Kretschmer, Michael (2017) Recent Results from the Plasmakristall-4 (PK-4) Microgravity Complex Plasma Laboratory.

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Abstract

Plasmakristall-4 (PK-4) is a Joint European-Russian microgravity complex plasma facility on the International Space Station [1]. In PK-4, the experiments are performed in a polarity-switched (with the frequency of hundreds Hz) dc discharge ignited between two electrodes in an elongated glass tube. Under microgravity conditions, plastic microspheres injected into this plasma form three-dimensional ordered structures. Miroparticles in the plasma are illuminated with a laser and observed by two videocameras. PK-4 offers many possibilities to manipulate the microparticle clouds. Many manipulation methods (modulation of the dc discharge, variation of the polarity-switching parameters, etc.) are plasma-mediated. Unlike those, manipulation laser allows to exert a radiation pressure force directly on the microparticles without influencing the background plasma. Also, several plasma diagnostic instruments are included into the system: e.g., glow observation camera and spectrometer. PK-4 was commissioned in June, 2015. Since then four experimental campaigns were performed with it. In this paper, the results obtained on PK-4 will be overviewed. Such topics, as microparticle charge and ion drag measurements, electrorheology, shear flows will be discussed. References [1] M.Y. Pustylnik et.al., Rev. Sci. Instrum. 87, 093505 (2016

Item URL in elib:https://elib.dlr.de/113068/
Document Type:Proceedings
Title:Recent Results from the Plasmakristall-4 (PK-4) Microgravity Complex Plasma Laboratory
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Pustylnik, MikhailMikhail.Pustylnik (at) dlr.deUNSPECIFIED
Hagl, Tanja C.dlr research group complex plasmas, oberpfaffenhofenUNSPECIFIED
Nosenko, VolodymyrV.Nosenko (at) dlr.deUNSPECIFIED
Antonova, TetyanaTetyana.Antonova (at) dlr.deUNSPECIFIED
Rubin-Zuzic, MilenkoMilenko.Rubin-Zuzic (at) dlr.deUNSPECIFIED
Zhdanov, SergeySergey.Zhdanov (at) dlr.deUNSPECIFIED
Kompaneets, Romanroman.kompaneets (at) dlr.deUNSPECIFIED
Thomas, Hubertus M.Hubertus.Thomas (at) dlr.deUNSPECIFIED
Lipaev, Andreyjoint institute for high temperatures, ras, moscowUNSPECIFIED
Zobnin, Andreyjoint institute for high temperatures, ras, moscowUNSPECIFIED
Usachev, Alexandrjoint institute for high temperatures, ras, moscowUNSPECIFIED
Molotkov, Vladimirjoint institute for high temperatures, ras, moscowUNSPECIFIED
Petrov, Olegjoint institute for high temperatures, ras, moscowUNSPECIFIED
Fortov, Vladimirjoint institute for high temperatures, ras, moscowUNSPECIFIED
Thoma, Markusjustus-liebig universität giessenUNSPECIFIED
Kretschmer, Michaeli. physikalisches institut, justus-liebig-univerität gießen, heinrich-buff-ring 16, 35392 gießen, germanyUNSPECIFIED
Date:May 2017
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:complex plasmas; microgravity
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Research under Space Conditions
DLR - Research area:Raumfahrt
DLR - Program:R FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):R - Komplexe Plasmen / Zero gravity
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Materials Physics in Space > Research Group Complex Plasma
Deposited By: Pustylnik, Mikhail
Deposited On:24 Jul 2017 09:27
Last Modified:24 Jul 2017 09:27

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