##  [Wilson Activity Model](/wilson-activity-model) 

  ##  [Wilson Activity Model](https://engineering.quantumdictionary.io/wilson-activity-model-0) 

  

 [![Engineering & Applied Technologies Dictionary](/sites/default/files/styles/large/public/2026-01/Engineering%20%26%20Applied%20Technologies.png.webp?itok=_IKO7_-n)](/topic-specific-dictionaries/engineering-applied-technologies)



**Engineering & Applied Technologies Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A liquid-phase excess Gibbs energy model that computes composition-dependent activity coefficients using component-specific pairwise interaction parameters and a local-composition assumption; applicable to homogeneous, fully miscible liquid mixtures and fitted from binary data.