Study of Cylindrical Dusty Plasmas in PK-4J; Experiments

Int. J. Microgravity Sci. Appl. 2014p062
Author
K. TAKAHASHI, M. TONOUCHI, S. ADACHI and H. TOTSUJI
Organization
Department of Electronics, Kyoto Institute of Technology, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency
Abstract
Dusty plasmas have been studied under microgravity with utilities boarding on the International Space Station in a joint Russian/German research project. Dynamics of dust particles in cylindrical plasmas is investigated in the next term of the project with the apparatus of PK-4. A research team in Japan studied the cylindrical dusty plasmas to contribute to the project with the PK-4J similar to the original one and developed for microgravity experiments of parabolic flights in Japan. The dust particles distributed in the off-centered position close to the bottom in balancing of gravity. They changed the distribution and moved to around the center axis in a cylindrical discharge under microgravity. Several particles arranged in a line parallel to the axis, and the lines piled up to a bundle in the discharge.
Keyword(s)
dusty plasma, complex plasma, microgravity, parabolic flight experiment, PK-4, PK-4J
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