Theoretical Analysis of Aerodynamic Characteristics of Two Helicopter Rotor Airfoils1978 - 30 pages |
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0.9 and Reynolds aerodynamic characteristics Airfoil A Airfoil airfoil analysis Airfoil at Mach Airfoil B NLR-1 airfoil tables airfoil were prepared ANALYSIS OF AERODYNAMIC analytical methods analytical study angles of attack boundary layer Calculated and experimental characteristics of NLR-1 Charles E. K. Morris chord comparison computer programs conditions at Mach COORDINATES FOR AIRFOIL correlation studies degrees Figure described in reference development of empirical drag coefficient empirical factors experimental data experimental values flow freestream HELICOPTER ROTOR AIRFOILS high Mach number Langley Research Center lift coefficient low-confidence lower surface mean lines moderate Mach number N/m² NACA NASA TM NCSU NLR-1 airfoil numbers from 0.3 numbers of 7.7 NYU program Performing Organization predicted airfoil characteristics Predicted pitching-moment coefficient predictive process covers programs for airfoil Reynolds number rotorcraft airfoils Structures Laboratory-USARTL AVRADCOM subcritical Supercritical Airfoil Tables of lift Two-Dimensional values of aerodynamic versions wind-tunnel tests x/c Yu/c