10-14 July 2016
Africa/Johannesburg timezone
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Dynamical Properties of Granular Materials

11 Jul 2016, 11:20
20m
Oral Presentation Parallel Track B

Speaker

Prof. Sanjay Puri (School of Physical Sciences, Jawaharlal Nehru University, New Delhi -- 110067, INDIA.)

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We discuss the dynamical properties of granular matter. This system loses energy (cools) continuously because of the inelastic collisions between particles. We focus on freely-evolving granular gases. The gas initially cools in a homogeneous cooling state (HCS), but a clustering instability drives it into an inhomogeneous cooling state (ICS). We present results for the HCS and ICS of granular gases where (a) the restitution coefficient is constant; (b) the restitution coefficient depends on the relative collision velocity. We discuss the analytical and numerical techniques used to study granular gases.

Primary author

Prof. Sanjay Puri (School of Physical Sciences, Jawaharlal Nehru University, New Delhi -- 110067, INDIA.)

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