Swept wing stalling
Hi
Currently getting ready for an interview and having difficulty understanding a concept about wing tip stalling. Although this has been done to death I find many conflicting ideas about how it occurs.
Firstly it is my understanding that due to the outboard wing section trailing the inboard section a suction is created whereby the boundary layer moves towards the wing tip causing it to be thicker in this region. This means more susceptibility to boundary layer breaking causing the stall.
Thats fine and I generally understand this except for two things
1) Why is a suction created by the outboard section relative to the inboard section?
2) Again its my understanding that due to spanwise flow the airflow over the top of the wing is deflected inwards, so how can the boundary layer movement outward "due to suction" appose the spanwise flow tendancy inward?
Have I just confused myself?