Simple Estimation of Surface Tension of Single-Component Fluids
β Scribed by Shabira Abbas; Sture Nordholm
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 439 KB
- Volume
- 166
- Category
- Article
- ISSN
- 0021-9797
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π SIMILAR VOLUMES
The modvied van der Waals theory of interfaces (gradient theory) is used with the equations of state of Peng-Robinson and Mohanty-Davis to predict surface tensions of various nonpolar, quadrupolar, slightly polar and polar substances as a function of temperature. The influence parameter of the gradi
For the surface tension of otganic compounds, (+ = [ 6 -( p , -p,)I4 is proposed where 6 = 6,.(1-T,)0.37.T,.exp(0.30066/T, + 0.86442.T:). p! and pu are molar densities of liquid and vapor, respective&, T, = T/T,, and CP, is a temperature-independent, compound-dependent constant similar to Sugden ' s
## NOTE Concerning the Thermodynamic Consistency of the ''Surface Tension Components'' Equations tions in condensed phases. Consequently, in recent approaches apolar contributions are dominated by London interactions and polar contributions are In this paper we show that the approach called surfa