Results 71 to 80 of about 74,712 (235)
The aerodynamic design of an advanced rotor airfoil [PDF]
An advanced rotor airfoil, designed utilizing supercritical airfoil technology and advanced design and analysis methodology is described. The airfoil was designed subject to stringent aerodynamic design criteria for improving the performance over the ...
Blackwell, J. A., Jr., Hinson, B. L.
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ABSTRACT Yaw engineering models are commonly used as add‐ons to the industrial blade element momentum (BEM) framework to improve load and power predictions by accounting for the skewed wake effect. However, existing yaw engineering models show noticeable limitations in accurately predicting the induced velocity distribution across the blade span.
Haoyuan Sun, Andrea Sciacchitano, Wei Yu
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This report explores which muscles of the pectoral girdle are employed to allow birds to hold their wings horizontally with a level aerofoil surface during a glide. Abstract Whilst many birds glide briefly with wings held horizontally, some species maintain this posture for extended periods during soaring.
D. Charles Deeming, María Clelia Mosto
wiley +1 more source
Wing planform dependency on optimum supersonic airfoil
When a wing of airplane is designed, it is necessary to have knowledge regarding planforms considered their optimum airfoils in order to design efficiently, because each wing planform has both of advantage and disadvantage. In this study, the wing design
Yuki KISHI +3 more
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Theoretical and experimental study of a new method for prediction of profile drag of airfoil sections [PDF]
Theoretical and experimental studies are described which were conducted for the purpose of developing a new generalized method for the prediction of profile drag of single component airfoil sections with sharp trailing edges. This method aims at solution
Goradia, S. H., Lilley, D. E.
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Design procedure for low-drag subsonic airfoils [PDF]
Airfoil has least amount of drag under given restrictions of boundary layer transition position, lift coefficient, thickness ratio, and Reynolds number based on airfoil chord.
Chen, A. B., Peterson, J. B.
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This study investigates the morphology and osteo‐histology of the wing skeleton of the world's first gliding reptiles, showing how it differs from those of extant gliding lizards, yet is also convergently similar. These findings pave the way for future biomechanical studies on the gliding locomotion of these emblematic fossil animals. Abstract The Late
Valentin Buffa +7 more
wiley +1 more source
The effect of small variations in profile of airfoils [PDF]
This report deals with the effect of small variations in ordinates specified by different laboratories for the airfoil section. This study was made in connection with a more general investigation of the effect of small irregularities of the airfoil ...
Ward, Kenneth E
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Airfoil Diffusion: Denoising Diffusion Model For Conditional Airfoil Generation
20 Pages, 6 ...
Reid Graves, Amir Barati Farimani
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Low-speed wind-tunnel results for symmetrical NASA LS(1)-0013 airfoil [PDF]
A wind-tunnel test has been conducted in the Langley Low-Turbulence Pressure Tunnel to evaluate the performance of a symmetrical NASA LS(1)-0013 airfoil which is a 13-percent-thick, low-speed airfoil.
Barnwell, Richard W. +2 more
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