Orientational Correlation and Velocity Distributions in Uniform Shear Flow of a Dilute Granular Gas

by: Bishakdatta Gayen, Meheboob Alam

Physical Review Letters, Vol. 100, No. 6. (2008)

View FullText article

Scitation (AIP), APS Permanent Link, DOI

Reviews [Write a review of this article]

There are no reviews of this article

Find related articles from these CiteULike users

dchen

Find related articles with these CiteULike tags

2008, correlation, flow, grain, shear

Referat

Using particle simulations of the uniform shear flow of a rough dilute granular gas, we show that the translational and rotational velocities are strongly correlated in direction, but there is no orientational correlation-induced singularity at perfectly smooth (=-1) and rough (=1) limits for elastic collisions (e=1); both the translational and rotational velocity distribution functions remain close to a Gaussian for these two limiting cases. Away from these two limits, the orientational as well as spatial velocity correlations are responsible for the emergence of non-Gaussian high-velocity tails. The tails of both distribution functions follow stretched exponentials, with the exponents depending on normal (e) and tangential () restitution coefficients.

@article{citeulike:2547984, abstract = {Using particle simulations of the uniform shear flow of a rough dilute granular gas, we show that the translational and rotational velocities are strongly correlated in direction, but there is no orientational correlation-induced singularity at perfectly smooth (=-1) and rough (=1) limits for elastic collisions (e=1); both the translational and rotational velocity distribution functions remain close to a Gaussian for these two limiting cases. Away from these two limits, the orientational as well as spatial velocity correlations are responsible for the emergence of non-Gaussian high-velocity tails. The tails of both distribution functions follow stretched exponentials, with the exponents depending on normal (e) and tangential () restitution coefficients.}, author = {Gayen, Bishakdatta and Alam, Meheboob }, citeulike-article-id = {2547984}, doi = {10.1103/PhysRevLett.100.068002}, journal = {Physical Review Letters}, keywords = {2008, correlation, flow, grain, shear}, number = {6}, posted-at = {2008-03-18 00:56:11}, priority = {2}, publisher = {APS}, title = {Orientational Correlation and Velocity Distributions in Uniform Shear Flow of a Dilute Granular Gas}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000100000006068002000001\&idtype=cvips\&gifs=yes}, volume = {100}, year = {2008} }

RIS record

TY - JOUR ID - citeulike:2547984 L3 - citeulike-article-id:2547984 TI - Orientational Correlation and Velocity Distributions in Uniform Shear Flow of a Dilute Granular Gas JF - Physical Review Letters VL - 100 IS - 6 PB - APS N2 - Using particle simulations of the uniform shear flow of a rough dilute granular gas, we show that the translational and rotational velocities are strongly correlated in direction, but there is no orientational correlation-induced singularity at perfectly smooth (=-1) and rough (=1) limits for elastic collisions (e=1); both the translational and rotational velocity distribution functions remain close to a Gaussian for these two limiting cases. Away from these two limits, the orientational as well as spatial velocity correlations are responsible for the emergence of non-Gaussian high-velocity tails. The tails of both distribution functions follow stretched exponentials, with the exponents depending on normal (e) and tangential () restitution coefficients. KW - 2008 KW - correlation KW - flow KW - grain KW - shear AU - Gayen, Bishakdatta AU - Alam, Meheboob PY - 2008/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000100000006068002000001&idtype=cvips&gifs=yes ER -

RIS BibTeX