Corresponding States Correlations of the Extreme Liquid Superheat and Vapor Subcooling

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Abstract
A variety of corresponding states correlations are made for the maximum or minimum nucleation temperatures obtained in many experiments by many workers. These correlations reveal: 1) That the best correlation occurs when the reduced liquid superheat is plotted against the reduced saturation temperature; and 2) that liquid superheat data correlate well and appear to fall near the spinodal line, while vapor subcooling data correlate poorly and fall far from the spinodal line. It is suggested that the published vapor subcooling results have been inferred in invalid ways from the data. It is therefore not presently possible to know whether existing vapor nucleation temperatures are actually far from the spinodal line, or incorrect.

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