## Abstract The wellβknown equations, based on simple kinetic theory, that represent evaporation at low pressures, are examined, and it is concluded that they apply only in certain limiting circumstances. The process of evaporation at low pressures is discussed and some semiβempirical equations, ba
Temperature depressions for evaporating spheres at low pressures
β Scribed by A. J. Madden; F. J. Halfen
- Publisher
- American Institute of Chemical Engineers
- Year
- 1961
- Tongue
- English
- Weight
- 335 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0001-1541
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π SIMILAR VOLUMES
A SIMPLE apparatus is described below for attaining hydrostatic pressures up to 11 katm at temperatures attainable with liquefied gases. A brief discussion of all the methods for obtaining high pressures at-low temperatures is given by Brandt and Ginzburg. ~ The main difficulty in designing such an
The use of the superconductmg transtbon temperature of tm as a means for determmmg pressures up to 100 kbar ts dtscussed and a pressure scale presented Pressure scales up to 160 and 40 kbar are also gtven based on lead and zinc respecbvely
accuracy of + 0.10e. The width of the resonance curve for which it is still possible to measure the shift on the oscilloscope screen should not be more than ~120 Oe. 1 The accuracy in measuring the magnetrostriction con-2 stants by the method described is ~3%. The sensitivity in striction is 10-8.