Performance of a 27 percent scale model rotor designed for the AH-64 helicopter (alternate rotor) was measured in hover and forward flight and compared against and AH-64 baseline rotor model. Thrust, rotor tip Mach number, advance ratio, and ground proximity were varied. In hover, at a nominal thrust coefficient of 0.0064, the power savings was about 6.4 percent for the
Download Aerodynamic Performance of a 0.27-Scale Model of an Ah-64 Helicopter with Baseline and Alternate Rotor Blade Sets - National Aeronautics and Space Administration file in ePub
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Aug 13, 2016 abstract: optimizing the naca0015 airfoil which is widely applied in small-scale vertical axis wind turbine to make it has a better aerodynamic performance.
Performance of a 27 percent scale model rotor designed for the ah-64 helicopter (alternate rotor) was measured in hover and forward flight and compared against and ah-64 baseline rotor model. Thrust, rotor tip mach number, advance ratio, and ground proximity were varied.
27-scale rotor model designed for the ah-64 apache helicopter (alternate rotor) was measured in hover and forward flight compared with an ah-64 baseline rotor model. Thrust, rotor tip mach number, advance ratio, and ground proximity were varied.
Agard size or scale of models ar aircraft expo- shedding, and iced airfoil aerodynamics is examined.
In case of small-scale wind turbines, the vertical axis wind turbine (vawt) is used in the aerodynamic efficiency and performance of the designed vawt is confirmed by computational fluid dynamics analysis.
It also minimizes the characteristic pulsation that occurs in wind tunnels to enable the evaluation of unsteady aerodynamic performance aspects.
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