Perfect Fluid
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High Quality Content by WIKIPEDIA articles! In physics, a perfect fluid is a fluid that can be completely characterized by its rest frame energy density and isotropic pressure p.Real fluids are "sticky" and contain (and conduct) heat. Perfect fluids are idealized models in which these possibilities are neglected. Specifically, perfect fluids have no shear stresses, viscosity, or heat conduction.In tensor notation, the energy-momentum tensor of a perfect fluid can be written in the form T^{munu} = (rho + p) , U^mu U^nu + p , eta^{munu},where U is the velocity vector field of the fluid and where is the metric tensor of Minkowski spacetime.…mehr

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High Quality Content by WIKIPEDIA articles! In physics, a perfect fluid is a fluid that can be completely characterized by its rest frame energy density and isotropic pressure p.Real fluids are "sticky" and contain (and conduct) heat. Perfect fluids are idealized models in which these possibilities are neglected. Specifically, perfect fluids have no shear stresses, viscosity, or heat conduction.In tensor notation, the energy-momentum tensor of a perfect fluid can be written in the form T^{munu} = (rho + p) , U^mu U^nu + p , eta^{munu},where U is the velocity vector field of the fluid and where is the metric tensor of Minkowski spacetime.