[Eleven Leo]

The difference of "Evaporation source" betweeen "1-Source all composite parcel species" and "2-Source all base parcel species". I am not very clear after reading the manual. For instance:
In the Example Case "Engine_sector_Diesel_Multicomponent", it chooses the "2-Source all base parcel species". It means all the liquid species will turn into the same vapor species, i.e., C7H16-->C7H16 with a fraction of 0.4, C8H18-->C8H18 with a fraction of 0.3, and C7H8-->C7H8 with a fraction of 0.3.
But if we choose "1-Source all composite parcel species" instead, what is the difference?

Furthermore, if I want it like this: liquid parcel: C7H16(0.4), C8H18(0.3), C7H8(0.3); Vapor gas: C7H16(0.6), C8H18(0.4). How should I set up?

Thank you very much for your attention and kind help.

Best regards

Yaopeng

[MCoil]

So if you want the code to create parcels with a certain composition, in the injector setup specify

C7H16 0.4
C8H18 0.3
C7H8 0.3

Then, if you'd like C7H16 to evaporate into C7H16, C8H18 into C8H18, and C7H8 into C7H8, then select the option to evaporate into base species. Then the components will each evaporate at the appropriate rate.

Is this what you meant?