2-d model pump help
 

I am a Master's student at University of Tripoli. My thesis is about Study of radial thrus force around the impeller in Centrifugal pump and I am new to CFD. Can anyone please help me out with how to design and mesh an impeller in Gambit, or can you suggest some tutorials which will be useful in doing so? I just want to know the procedure of creating an 2d pump.

1-best way (simplist way of meshing)
2-I included the centrifugal pump model which is drown using CFturbo Software

Here it is