Velocity and Heat Flow in a Composite Two Fluid System
J. P. Krisch, E. N. Glass
TL;DR
This paper models a two-fluid system with heat flow using two perfect fluids, analyzing stress-energy in various spacetime metrics without assuming specific equations of state.
Contribution
It introduces a novel description of a two-fluid system with heat flow based on fluid velocity overlap, applicable to complex spacetime geometries.
Findings
Applicable to conformally flat metrics
Analyzes black string spacetime
No assumptions on equations of state
Abstract
We describe the stress energy of a fluid with two unequal stresses and heat flow in terms of two perfect fluid components. The description is in terms of the fluid velocity overlap of the components, and makes no assumptions about the equations of state of the perfect fluids. The description is applied to the metrics of a conformally flat system and a black string.
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