Molecular Angular momentum polarization produced in a Knudsen flow

J.J.G.M. van der Tol, L.J.F. Hermans, S.Yu. Krylov and J.J.M. Beenakker

Physica A: Statistical Mechanics and its Applications, 1985, vol. 131, issue 3, 545-569

Abstract: In a Knudsen flow of polyatomic molecules, polarization of the angular momenta can occur due to non-spherical molecule-surface interactions. The polarization has been studied by observing a change in the particle flux caused by the precession of the molecules in an external magnetic field. It is show how the experimental results as a function of field orientation and field strength allow a determination of the type and magnitude of the polarization. The experimental technique is described and results are given for N2 flowing through a Au-coated channel at 300 K. It is found that the dominant types of polarization are Jy and JxJz, where x is the flow direction and z is the normal to the surface.

Date: 1985
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:131:y:1985:i:3:p:545-569

DOI: 10.1016/0378-4371(85)90130-X

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