Influence of shear viscosity on the correlation between the triangular flow and initial spatial triangularity

In a hydrodynamic model, with fluctuating initial conditions, the correlation between triangular flow and initial spatial triangularity is studied. The triangular flow, even in ideal fluid, is not strongly correlated with the initial triangularity. The correlation is largely reduced in viscous fluid...

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Bibliographic Details
Published in:Physics letters. B 2012-06, Vol.713 (2), p.91-94
Main Author: Chaudhuri, A.K.
Format: Article
Language:English
Subjects:
Computational fluid dynamics
Correlation
Eccentricity
Elementary particles
Evolution
Exact sciences and technology
Fluid flow
Initial conditions
Nuclear physics
Physics
Shear viscosity
The physics of elementary particles and fields
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Summary:In a hydrodynamic model, with fluctuating initial conditions, the correlation between triangular flow and initial spatial triangularity is studied. The triangular flow, even in ideal fluid, is not strongly correlated with the initial triangularity. The correlation is largely reduced in viscous fluid. Elliptic flow on the other hand appears to be strongly correlated with initial eccentricity. Weak correlation between triangular flow and initial triangularity indicates that a part of triangular flow is unrelated to initial triangularity. Triangularity acquired during the fluid evolution also contributes to the triangular flow.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2012.05.041