Experiments on the angular dependence of the thermomagnetic pressure difference

G.E.J. Eggermont, P. Oudeman, L.J.F. Hermans and J.J.M. Beenakker

Physica A: Statistical Mechanics and its Applications, 1978, vol. 91, issue 3, 345-364

Abstract: In a rectangular box containing a rarefied polyatomic gas, the combination of a temperature gradient, ▿T, and an external magnetic field, H, causes a slip of the molecules along the wall. This slip creates a pressure difference across the box, the “thermomagnetic pressure difference”. The phenomenon gives information on the behavior of angular momentum dependent polarizations near a boundary. Experimental results for this effect are presented as a function of the angle between ▿T and H for CO, N2, CH4, CF4, CO2, HD, SF6, CH3F and NH3. The results are analyzed in terms of a theory developed by Vestner, and numbers are obtained for three parameters which characterize the behavior of nonequilibrium polarizations for rotating molecules near a boundary.

Date: 1978
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:91:y:1978:i:3:p:345-364

DOI: 10.1016/0378-4371(78)90183-8

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