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Modeling Agglomeration of Dust Particles in Plasma

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dc.contributor.author Matthews, Lorin
dc.contributor.author Land, Victor
dc.contributor.author Ma, Qianyu
dc.contributor.author Perry, Jonathan
dc.contributor.author Hyde, Truell
dc.identifier.citation AIP Conf. Proc. 1397, 397 (2011) en_US
dc.identifier.uri http://hdl.handle.net/2104/8305
dc.description.abstract The charge on an aggregate immersed in a plasma environment distributes itself over the aggregate’s surface; this can be approximated theoretically by assuming a multipole distribution. The dipole-dipole (or higher order) charge interactions between fractal aggregates lead to rotations of the grains as they interact. Other properties of the dust grains also influence the agglomeration process, such as the monomer shape (spherical or ellipsoidal) or the presence of magnetic material. Finally, the plasma and grain properties also determine the morphology of the resultant aggregates. Porous and fluffy aggregates are more strongly coupled to the gas, leading to reduced collisional velocities, and greater collisional cross sections. These factors in turn can determine the growth rate of the aggregates and evolution of the dust cloud. This paper gives an overview of the numerical and experimental methods used to study dust agglomeration at CASPER and highlights some recent results. en_US
dc.publisher AIP Conference Proceedings en_US
dc.title Modeling Agglomeration of Dust Particles in Plasma en_US
dc.type Article en
dc.identifier.doi 10.1063/1.3659861
dc.description.keywords dusty plasma en_US
dc.description.keywords dust coagulation en_US
dc.description.keywords dust charging en_US
dc.description.keywords dust agglomeration en_US


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