Hauptseite > Externe Publikationen > Vita Publikationen > A model of the spatial and size distribution of Enceladus׳ dust plume > print

001     824035
005     20210129224926.0
024 7 _ |a 10.1016/j.pss.2014.09.016
|2 doi
024 7 _ |a 0032-0633
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024 7 _ |a 1873-5088
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037 _ _ |a FZJ-2016-06661
082 _ _ |a 620
100 1 _ |a Meier, Patrick
|0 P:(DE-HGF)0
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245 _ _ |a A model of the spatial and size distribution of Enceladus׳ dust plume
260 _ _ |a Kidlington [u.a.]
|c 2014
|b Elsevier Science
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520 _ _ |a The structure of Enceladus׳ south polar plume of charged dust is studied by simulations of the dust grain dynamics. The model considers the Lorentz force and charging of the grains by the plasma environment within the plume. Simulated dust plumes are investigated by applying 10 selected sets of dust parameters that include variations of the grain production rate, the slope of the grain size distribution and the start conditions (velocity, direction) of the grains. The modeled dust plume profiles are in good agreement with nanograin data of Cassini Plasma Spectrometer (CAPS). Major results are (1) due to the local plasma environment the nanograins are accelerated by the Lorentz force and form a structured tail; (2) due to the finite charging time the peak dust charge density is located about 0.3–0.6rE0.3–0.6rE below Enceladus׳ south pole; (3) nanograins smaller than 10 nm are more than 99% of the produced dust; (4) CAPS data are best matched if the nanograins are launched with high, collimated start velocities; (5) the grain charging time is crucially affected by inhomogeneities in the local plasma environment.
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536 _ _ |a Plasma and Dust Simulations on the Saturnian Rings (hbs06_20111101)
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|f Plasma and Dust Simulations on the Saturnian Rings
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588 _ _ |a Dataset connected to CrossRef
700 1 _ |a Kriegel, Hendrik
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700 1 _ |a Motschmann, Uwe
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700 1 _ |a Schmidt, Jürgen
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700 1 _ |a Spahn, Frank
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700 1 _ |a Hill, Thomas W.
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700 1 _ |a Dong, Yaxue
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700 1 _ |a Jones, Geraint H.
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773 _ _ |a 10.1016/j.pss.2014.09.016
|g Vol. 104, p. 216 - 233
|0 PERI:(DE-600)2012795-9
|p 216 - 233
|t Planetary and space science
|v 104
|y 2014
|x 0032-0633
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