Units for pollution concentration

Dear All,

i hope everyone are doing great. i am looking on this project. here is the link of the project SimScale

in the above project and above image, will anyone please explain what is the unit of pollution concentration. looking forward to hear from the community.

thanks for your time and consideration.

Regards,
Sam.

Hi Sam!

Please have a look at this doc entry: Passive Scalar Sources | Advanced Concepts | SimScale - let us know if that helps.

Best,

Jousef