The separation of anhydrous hydrogen fluoride requires condensation process,and reasonable temperature control is very important to save cost.The open source software OpenFOAM was used to simulate the condensation process of anhydrous hydrogen fluoride.The results showed that the condensation phenomenon was obvious when the temperature was lower than263.15 K(-10℃),and the volume fraction of the liquid phase was greater than 20%(at t =1 s).
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