Wikipedia explains air flow in a jet engine this simplified way:

[![enter image description here][1]][1]  
<sup>Flow path, [Wikipedia][2]</sup>

But as the blades are in rotation, I assume air path is rather helical, something more like this:

[![enter image description here][3]][3]  

How blades and vanes impact overall air path?  
I'm looking for some details, perhaps blade/vanes geometry and airspeed, not an over-simplified view.


  [1]: https://i.sstatic.net/LheHE.png
  [2]: https://en.wikipedia.org/wiki/Turbojet
  [3]: https://i.sstatic.net/tWWCc.png