具有体积粘性的粘性流体力学--来自松弛时间和初始条件的不确定性
Viscous hydrodynamics with bulk viscosity -- uncertainties from relaxation time and initial conditions
摘要:
体积粘度抑制椭圆流v_2,剪切粘度也是如此。因此,从椭圆流资料中提取剪切粘度时,不能忽略它。在这里,我们探讨的不确定性,在体积粘性贡献粘性V_2抑制所产生的体积粘性压力和其微观松弛时间的初始值,目前不受控制的不确定性。
英文摘要:
Bulk viscosity suppresses elliptic flow v_2, as does shear viscosity. It can thus not be neglected when extracting the shear viscosity from elliptic flow data. We here explore uncertainties in the bulk viscous contribution to viscous v_2 suppression that arise from presently uncontrolled uncertainties in the initial value of the bulk viscous pressure and its microscopic relaxation time.
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