Where are you stuck?
First you need to define the goals, and then use the goals to build an equation goal.
Or are you looking for input on the boundary conditions needed?
I Want Fan Efficiency.
Now the study compares the results of the analysis and DSS Flow Simulation ANSYS CFX.
What equation do you want to use?
What trouble are you having entering it?
Have you checked the tutorials? I'm pretty sure there is an example on defining an equation goal and even one specifically for efficiency.
The first step is knowing the equation you want to use.