NAVWEPS OO-BOT-BO  TABLE OF CONTENTS  FRICTION  EFFECTS.  Viscous Bow..  Boundarglayers....................................................  Laminar flow  Transition  Turbulent flow  ReyooldsNumber..................................................  Definition  Skin friction versus  Reynolds Number  Airflowseparatioa..................................................  Pressure  distribution  Prcswrc gradient and boundary layer energy  Factors affecting separation  Scaleeffect.........................................................  Effect on aerodynamic characteristics  Reynolds Number correlation  PLANFORM  EFFECTS AND  AIRPLANE  DRAG  EFFECT  OF WING  PLANFORM..  .  .  Descr1puon of planform  Area, span,,  and chord  Aspect ratm and taper  Sweepback  Mean aerodynamic  chord  Development of lift by a wing..  .  vortex system  Ti  and bound vortices  I&cd  flow and downwash  Scction angle of attack  Induced angle of attack  INDUCED  DRAG.  :  Induced angle of attack and inclined lift.  Induced drag coefficient,  Effect of lift coefficient  Effect of aspect  ratio  Effectoflift........................................................  Effea of altitude..  EffectofsPeed......................................................  Effect of aspect ratio.  Lift and dra  Influcncc of ow aspxt ratio configurations  f  characteristics  EFFECT  OF TAPER  AND  StiEEPtiACK.  Spanwise lift distribution  localinducedflow.................................................  Effect on lift and drag characteristics.  . ‘ ,  STALL  PATI ’ ERNS.  Pnvorablestallpattern..............................................  EffeaofpIanform..................................................  Taper  Sweepback  Modifications for stall characteristics.  52  52  54  56  59  61  61  63  66  66  68  68  2;  71  74  74  76  77  ::  86  vii 