Topic
Rarefaction
About: Rarefaction is a research topic. Over the lifetime, 1852 publications have been published within this topic receiving 26943 citations.
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TL;DR: In this article, a flow of mixture of rarefied gases through a thin orifice is calculated applying the direct simulation Monte Carlo method based on ab initio (AI) potential.
23 citations
TL;DR: The Riemann problem for a quasilinear hyperbolic system of equations governing the one-dimensional unsteady flow of an inviscid and perfectly conducting compressible fluid, subjected to a transverse magnetic field, is solved approximately.
Abstract: The Riemann problem for a quasilinear hyperbolic system of equations governing the one-dimensional unsteady flow of an inviscid and perfectly conducting compressible fluid, subjected to a transverse magnetic field, is solved approximately. This class of equations includes as a special case the Euler equations of gasdynamics. It has been observed that in contrast to the gasdynamic case, the pressure varies across the contact discontinuity. The iterative procedure is used to find the densities between the left acoustic wave and the right contact discontinuity and between the right contact discontinuity and the right acoustic wave, respectively. All other quantities follow directly throughout the (x, t)-plane, except within rarefaction waves, where an extra iterative procedure is used along with a Gaussian quadrature rule to find particle velocity; indeed, the determination of the particle velocity involves numerical integration when the magneto-acoustic wave is a rarefaction wave. Lastly, we discuss numeric...
23 citations
23 citations
TL;DR: In this paper, the authors describe supersonic rarefaction in cylindrical and spherical symmetry for an arbitrary adiabatic index, where an inner boundary exists at a constant self-similar coordinate.
Abstract: New simple self‐similar solutions for the unsteady expansion of a gas into a vacuum are found. They describe supersonic rarefaction in cylindrical and spherical symmetry for an arbitrary adiabatic index. An inner boundary exists at a constant self‐similar coordinate. In the asymptotic region a universal isothermal density law is given which depends only on geometry. Important applications lie in the field of laser‐generated plasmas.
23 citations
01 Jun 1963
TL;DR: In this paper, rarefied gas dynamics, hypersonic shock tunnel data, blunt axisymmetric & two-dimensional bodies and sharp flat plate data were used to study the effects of sharp flat plates.
Abstract: Rarefied gas dynamics - hypersonic shock tunnel data - blunt axisymmetric & two-dimensional bodies and sharp flat plate data
23 citations