期刊
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS
卷 105, 期 4, 页码 824-830出版社
PLEIADES PUBLISHING INC
DOI: 10.1134/S1063776107100172
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We present the results of our experimental study of the flow of a dusty plasma liquid produced by macroparticles in an argon plasma. The dependences of shear viscosity for such a liquid on the magnitude of the external force inducing the dusty plasma liquid flow and on the plasma-generating gas pressure are analyzed. We have established that the viscosity of a dusty plasma medium decreases with increasing shear stress in it, while the viscosity of such a liquid increases with buffer gas pressure. The flow of a dusty plasma liquid under the action of an external force has been found to resemble the plastic deformation of a Bingham body. We suggest that the formation of crystal-like dusty plasma clusters in a liquid phase can be responsible for the non-Newtonian behavior of the dusty plasma liquid flow.
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