NAWWEPS 00-8OT-80  BASIC AERODYNAMICS  WING UPPER SURFACE  TIP VORTEX  WING LOWER SURFACE  VORTICES ALONG  TRAILING EDGE  TRAILING EDGE  I/  I  I  I  UPPER SURFACE  LEADING EDGE  FLOW  FLOW  LOW PRESSURE-  ,-  HIGH PRESSURE)  Figure 1.29. Wing Three Dimensional Flow (sheet 1 of 2)  Revised January 1965 