I am working on flow simulation of a swirl nozzle in ANSYS Fluent software. In inlet I want to input CuO and H2O Nano fluid as mass flow rate. When select mixture option in phase, no mass flow rate is shown. But when phase 1 (water liquid) or phase 2 (CuO) option is selected mass flow rate option is shown. How can I input mass flow rate of Nano fluid in inlet? Thank you.