Wohl equation of state: Difference between revisions

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(New page: :<math>\left[ P + \frac{a}{Tv(v-b)} - \frac{c}{T^2v^3} \right] (v-b) = RT</math> where :<math>\left. a \right.= 6P_cT_cv_c^2</math> :<math>b= \frac{v_c}{4}</math> and :<math>\left. c ...)
 
m (Added a reference)
 
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:<math>\left[ P + \frac{a}{Tv(v-b)} - \frac{c}{T^2v^3} \right] (v-b) = RT</math>
The '''Wohl''' [[equations of state| equation of state]] is given by<ref>A. Wohl "Investigation of the condition equation", Zeitschrift f&uuml;r Physikalische Chemie (Leipzig) '''87''' pp. 1-39 (1914) </ref>
:<math>\left[ p + \frac{a}{Tv(v-b)} - \frac{c}{T^2v^3} \right] (v-b) = RT</math>


where
where (Eq. 10 in <ref>[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)]</ref>):


:<math>\left. a \right.= 6P_cT_cv_c^2</math>
:<math>\left. a \right.= 6P_cT_cv_c^2</math>
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:<math>\left. c \right. = 4P_cT_c^2v_c^3</math>
:<math>\left. c \right. = 4P_cT_c^2v_c^3</math>


where <math>p</math> is the [[pressure]], <math>T</math> is the [[temperature]] and <math>R</math> is the [[molar gas constant]]. <math>T_c</math> is the [[critical points | critical]] temperature and <math>P_c</math> is the pressure at the critical point.
==References==
==References==
#A. Wohl, Zeitschrift fur Physikalische Chemie (Leipzig) '''87''' pp. 1- (1914)  *(check this ref.)
<references/>
[[category: equations of state]]
[[category: equations of state]]

Latest revision as of 14:39, 22 September 2010

The Wohl equation of state is given by[1]

where (Eq. 10 in [2]):

and

where is the pressure, is the temperature and is the molar gas constant. is the critical temperature and is the pressure at the critical point.

References[edit]

  1. A. Wohl "Investigation of the condition equation", Zeitschrift für Physikalische Chemie (Leipzig) 87 pp. 1-39 (1914)
  2. K. K. Shah and G. Thodos "A Comparison of Equations of State", Industrial & Engineering Chemistry 57 pp. 30-37 (1965)