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Note on Diffusive Separation of Gas Mixtures in Flow Fields
dc.contributor.authorLiu, Vi-Cheng.en_US
dc.date.accessioned2010-05-06T22:18:41Z
dc.date.available2010-05-06T22:18:41Z
dc.date.issued1958-08en_US
dc.identifier.citationLiu, V. C. (1958). "Note on Diffusive Separation of Gas Mixtures in Flow Fields." Journal of Applied Physics 29(8): 1188-1189. <http://hdl.handle.net/2027.42/70533>en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/70533
dc.description.abstractThis paper discusses the effect of pressure‐diffusion flux upon the concentration distribution of gas mixtures in flow fields. The equation of concentration is formulated for a binary gas mixture in which the mass ratio is large and the concentration of the lighter gas is very small. An asymptotic solution to the steady‐state equation of concentration is given for an irrotational and incompressible flow.As an illustration, the diffusive separation (i.e., deviation from the original homogeneous state) of a mixture of helium and nitrogen along streamlines at the entrance to a long straight channel is calculated. It is assumed that the pressure inside the channel is 90% of that in the free stream, and that the diffusion coefficient of the mixture corresponds with the atmospheric conditions at 80‐km altitude.en_US
dc.format.extent3102 bytes
dc.format.extent156639 bytes
dc.format.mimetypetext/plain
dc.format.mimetypeapplication/pdf
dc.publisherThe American Institute of Physicsen_US
dc.rights© The American Institute of Physicsen_US
dc.titleNote on Diffusive Separation of Gas Mixtures in Flow Fieldsen_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelPhysicsen_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumEngineering Research Institute, University of Michigan, Ann Arbor, Michiganen_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/70533/2/JAPIAU-29-8-1188-1.pdf
dc.identifier.doi10.1063/1.1723399en_US
dc.identifier.sourceJournal of Applied Physicsen_US
dc.identifier.citedreferenceS. Chapman, Second Biennial Gas Dynamics Symposium, Tech. Inst. Northwestern University (August, 1957).en_US
dc.identifier.citedreferenceV. C. Liu, “Diffusive separation of gas mixtures in flow fields, parts I and II,” Mich. Univ. Eng. Research Inst. Rept. 2387‐29‐T (Ann Arbor, 1957).en_US
dc.identifier.citedreferenceV. C. Liu, Quart. J. Mech. Appl. Math. (to be published).en_US
dc.identifier.citedreferenceS. Chapman and T. G. Cowling, The Mathematical Theory of Non‐Uniform Gases (Cambridge University Press, New York, 1953), Eq. (7), p. 140.en_US
dc.identifier.citedreferenceH. Jeffreys and B. S. Jeffreys, Mathematical Physics (Cambridge University Press, New York, 1956), pp. 522–528;; for details see also H. Levy and E. A. Baggott, Numerical Solutions (Dover Publications, New York, 1950), pp. 230–232.en_US
dc.identifier.citedreferenceL. Prandtl and O. G. Tietjens, Fundamentals of Hydro‐ and Aeromechanics, (McGraw‐Hill Book Company, Inc., New York, 1934), pp. 178–183.en_US
dc.identifier.citedreferenceV. C. Liu, J. Geophys. Research 61, 171 (1956).en_US
dc.owningcollnamePhysics, Department of


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