On a temperature dependence of the van der waals volume parameter in cubic equations of state

作者: Lubomír Hnědkovský , Ivan Cibulka

DOI: 10.1016/0378-3812(90)85062-F

关键词: Van der Waals surfaceVan der Waals radiusvan der Waals forceThermodynamicsVan der Waals strainHamaker constantChemistryVan der Waals equationRedlich–Kwong equation of stateTheorem of corresponding states

摘要: A dependence of the van der Waals volume parameter on temperature in cubic equations state is analysed from point view a consistency description compressed liquid region. The analysis shows that there may be region PϱT space where thermal pressure coefficient and isobaric expansion are negative if decreases with increasing temperature. results illustrated volume-translation method, which special case parameter.

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