NDLI: Slip-boundary equations for multicomponent nonequilibrium airflow

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Slip-boundary equations for multicomponent nonequilibrium airflow

Content Provider	NASA Technical Reports Server (NTRS)
Author	Scott, C. D. Gupta, R. N. Moss, J. N.
Copyright Year	1985
Description	Equations are presented for the surface-slip (or jump) values of species concentration, pressure, velocity, and temperature in the low Reynolds number, high-altitude flight regime of a space vehicle. These are obtained from closed-form solutions of the mass, momentum, and energy flux equations by using the Chapman-Enskog velocity distribution function. This function represents a solution of the Boltzmann equation in the Navier-Stokes approximation. The analysis, obtained for nonequilibrium multicomponent airflow, includes the finite-rare surface catalytic recombination and changes in the internal energy during reflection from the surface. Expressions for the various slip quantities have been obtained in a form which can readily be employed in flow-field computations. A consistent set of equations is provided for multicomponent and binary mixtures and single-species gas. An expression is also provided for the finite-rate species-concentration boundary condition for a multicomponent mixture in the absence of slip.
File Size	7612628
Page Count	60
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19860005060
Archival Resource Key	ark:/13960/t93827n80
Language	English
Publisher Date	1985-11-01
Access Restriction	Open
Subject Keyword	Fluid Mechanics And Heat Transfer Low Reynolds Number Slip Flow Nonequilibrium Flow Chapman-enskog Theory Boltzmann Distribution Flight Paths Boundary Conditions Velocity Distribution Navier-stokes Equation High Altitude Environments Air Flow Spacecraft Trajectories Low Density Research Boundary Layer Equations Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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