The operating theory of the gas centrifuge is developed under both steady and unsteady state behavior. It is shown that countercurrent flow patterns in a gas centrifuge enhance the possible separation. The effect of self‐diffusion of the gaseous mixtures is shown to be significant with low molecular weight gases but of less significance with heavy gases such as uranium isotopes. The time required to develop steady state pressure and concentration profiles is in the order of minutes, even with no net flow to and from the machine.
Experimental investigations of the effects of electric fields on the adsorption of water vapor on silica gel and alundum catalyst were carried out at 25 °C. The presence of a nonuniform field surrounding the solid particles causes an increase in the rate of adsorption but not the amount absorbed. Presence of alkali metal ions in silica gel has a strong effect. In the absence of these ions field strengths smaller than about 5 X 104 V/cm have little effect. Theoretical analysis of the phenomena indicates that it Is important to compute the local, internal electric fields in the pores rather than the external applied fields.
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