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- Title
Viscosity of a dusty plasma liquid.
- Authors
Vorona, N.; Gavrikov, A.; Ivanov, A.; Petrov, O.; Fortov, V.; Shakhova, I.
- Abstract
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.
- Subjects
VISCOSITY; PLASMA gases; ARGON; STRAINS &; stresses (Mechanics); RHEOLOGY; NOBLE gases
- Publication
Journal of Experimental & Theoretical Physics, 2007, Vol 105, Issue 4, p824
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776107100172