Tomohiko Sano, Hisao Hayakawa
We perform a three-dimensional simulation of granular jet for both frictional and frictionless grains. Through our simulation we confirm that the system after an impact of the jet has a finite viscosity for both frictional and frictionless grains. This result is contrast to the suggestion in an experiment of granular jet [X. Chen et al., Phys. Rev. Lett. 99, 188001 (2007) ], in which there exists an analogy between granular jets and quark-gluon plasma.
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http://arxiv.org/abs/1206.6932
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