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. 
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