##  [Peng–Robinson Equation of State](/peng-robinson-equation-state) 

  ##  [Peng–Robinson Equation of State](https://engineering.quantumdictionary.io/peng-robinson-equation-state-0) 

  

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**Engineering & Applied Technologies Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A thermodynamic cubic equation of state that expresses pressure, temperature and molar volume through a cubic polynomial in molar volume with substance-specific parameters (commonly written a(T) and b) derived from critical properties and an acentric factor; used to compute P–V–T behavior, fugacity coefficients and vapor–liquid equilibria of pure components and mixtures via mixing rules and binary