Dieterici equation of state: Difference between revisions

Revision as of 11:45, 8 June 2007

The Dieterici equation of state, proposed in 1899 (Ref. 1) is given by

\left.p(v-b)\right.=RTe^{-a/RTv}

where

a={\frac {4R^{2}T_{c}^{2}}{P_{c}e^{2}}}

and

b={\frac {RT_{c}}{P_{c}e^{2}}}

@@ Line 1: / Line 1: @@
 The Dieterici equation of state, proposed in 1899 (Ref. 1) is given by
-:<math>\left. p(v-b) \right.= kT e^{-a/kTv}</math>
+:<math>\left. p(v-b) \right.= RT e^{-a/RTv}</math>
-where <math>a</math> is an empirical constant.
+where
+:<math>a = \frac{4R^2T_c^2}{P_ce^2}</math>
+and
+:<math>b=\frac{RT_c}{P_ce^2}</math>
 ==References==
 # C. Dieterici, Ann. Phys. Chem. Wiedemanns Ann. 69, 685 (1899)
+#[http://dx.doi.org/10.1021/ie50663a005 K. K. Shah and G. Thodos "A Comparison of Equations of State", Industrial & Engineering Chemistry '''57''' pp. 30 - 37 (1965)]
 #[http://dx.doi.org/10.1063/1.1380711 Richard J. Sadus "Equations of state for fluids: The Dieterici approach revisited", Journal of Chemical Physics '''115''' pp. 1460-1462 (2001)]
 [[category: equations of state]]