Sodium evaporation into a forced argon flow. II. Comparison between experimental results and theoretical predictions by critical supersaturation model.:Comparison between Experimental Results and Theoretical Predictions by Critical Supersaturation Model

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The critical supersaturation model (CSM) was examined by comparing its predictions with the experimental data of the forced evaporation of sodium reported in Part (I) of this series of papers. The results revealed that the CSM predicted a fairly lower Sher-wood number than that predicted in the experiment. This discrepancy may be due mainly to the oversimplified assumptions in the CSM.<BR>A calculation of the fog movement in a boundary layer was also attempted by taking into account the force on fog particles by thermophoresis. The calculation showed that the particles were submerged deeply in the boundary layer and that they absorbed sodium vapor in accordance with their size. It was concluded that the fog movement in the boundary layer was essentially important for the exact estimation of the evaporation rate.
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