Wohl equation of state: Difference between revisions

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:<math>\left[ p + \frac{a}{Tv(v-b)} - \frac{c}{T^2v^3} \right] (v-b) = RT</math>
:<math>\left[ p + \frac{a}{Tv(v-b)} - \frac{c}{T^2v^3} \right] (v-b) = RT</math>


where
where <ref>Note: these equations need to be checked</ref>


:<math>\left. a \right.= 6P_cT_cv_c^2</math>
:<math>\left. a \right.= 6P_cT_cv_c^2</math>

Revision as of 10:41, 22 September 2010

The Wohl equation of state is given by[1]

[p+aTv(v−b)−cT2v3](v−b)=RT

where [2]

a=6PcTcvc2
b=vc4

and

c=4PcTc2vc3

where p is the pressure, T is the temperature and R is the molar gas constant. Tc is the critical temperature and Pc is the pressure at the critical point.

References

  1. ↑ A. Wohl "Investigation of the condition equation", Zeitschrift für Physikalische Chemie (Leipzig) 87 pp. 1-39 (1914)
  2. ↑ Note: these equations need to be checked
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