2007•American Institute of Aeronautics and Astronautics eBooksRequires access
Case Study: Micro Tactical Expendable Rigid-Wing Micro Air Vehicle
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Abstract
AR = aspect ratio b = wing span CD = drag coefficient, D/ 2ρV 2 ∞S CDi = induced drag coefficient CD laminar = friction drag coefficient for laminar flow CD turbulent = friction drag coefficient for turbulent flow CD0 = profile drag coefficient at zero lift CL = lift coefficient, L/ 2ρV 2 ∞S CMX = roll-moment coefficient CMZ = pitching-moment coefficient CMZac = pitching-moment coefficient about the aerodynamic center c = wing chord croot = root wing chord D = drag e = Oswald span efficiency factor K1 = profile drag constant for airfoil at low Reynolds number K2 = constant K3 = constant L = lift PB = power supplied by the battery Re = Reynolds number based on wing root chord, ρV∞croot/μ S = wing area V = airspeed VP = propeller pitch speed VS = stall speed V∞ = freestream velocity W = weight