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An engineering model is formulated to account for the effects of porosity and pore diameter on the hydrodynamic and thermal performance of a carbon-foam finned tube heat exchanger. The hydrodynamic and thermal resistances are obtained from well-established correlations that are extended herein to account for the influence of the porous carbon foam. The influence of the foam is characterized on the...
Numerical uncertainties are quantified to guide grid refinement in calculations of subsonic and transonic flow around supercritical airfoils with blunt and divergent trailing edges. The concept of grid convergence index (GCI), which extrapolates error estimates from arbitrary grid refinement ratios to those equivalent to grid doubling, was used to assess the adequacy of grid refinement. Values of...
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