Application of numerical optimization to the design of advanced supercritical airfoils [PDF]
An application of numerical optimization to the design of advanced airfoils for transonic aircraft showed that low-drag sections can be developed for a given design Mach number without an accompanying drag increase at lower Mach numbers. This is achieved
Hicks, R. M., Johnson, R. R.
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Aerodynamic data banks for Clark-Y, NACA 4-digit and NACA 16-series airfoil families [PDF]
With the renewed interest in propellers as means of obtaining thrust and fuel efficiency in addition to the increased utilization of the computer, a significant amount of progress was made in the development of theoretical models to predict the ...
Camba, J., III +2 more
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Optimization of the double-slot blown airfoil with jet at the leading and trailing edges of the flap
AIP AdvancesAn active lift augmentation technique combining trailing edge blowing and blown flap is explored in this study. A double-slot blown flap airfoil is designed based on NACA23015.
Songlin Xiang +3 more
doaj +1 more source
EnergiesSmall wind turbines operating in low wind speed regions have not had any significant success. In addition, small wind speed regions occupy a large area of the world, so they represent a potential area for installing small wind turbines in the future.
Le Quang Sang +7 more
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High Reynolds number tests of a NASA SC(3)-0712(B) airfoil in the Langley 0.3-meter transonic cryogenic tunnel [PDF]
A wind tunnel investigation of a NASA 12-percent-thick, advanced-technology supercritical airfoil was conducted in the Langley 0.3-Meter Transonic Cryogenic Tunnel (TCT). This investigation represents another in the series of NASA/U.S.
Eichmann, O. +2 more
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A novel approach to inverse design of wind turbine airfoils using tandem neural networks
Wind EnergyThe performance of a wind turbine and its efficiency majorly depends on wind‐to‐rotor efficiency. The aerodynamic design of the wind turbine blades using high‐fidelity tools such as adjoint‐computational fluid dynamics (CFD) is accurate but ...
Apurva Anand +3 more
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Constant lift rotor for a heavier than air craft [PDF]
, 1979 A rotor blade extended radially from a hub, characterized by an elongated spar and a plurality of axially aligned shells pivotally mounted on the spar is presented.
Stroub, R. H.
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Performance of a low-pressure-ratio centrifugal compressor with four diffuser designs [PDF]
A low-pressure-ratio centrifugal compressor was tested with four different diffuser configurations. One diffuser had airfoil vanes. Two were pipe diffusers. One pipe diffuser had 7.5 deg cone diffusing passages.
Klassen, H. A.
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Propeller aeroacoustic methodologies [PDF]
, 1980 The aspects related to propeller performance by means of a review of propeller methodologies are addressed. Preliminary wind tunnel propeller performance data are presented and the predominent limitations of existing propeller performance methodologies ...
Gregorek, G. M., Korkan, K. D.
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Pressure distribution from high Reynolds number tests of a NASA SC(3)-0712(B) airfoil in the Langley 0.3-meter transonic cryogenic tunnel [PDF]
A wind tunnel investigation of a NASA 12-percent-thick, advanced-technology supercritical airfoil was conducted in the Langley 0.3-Meter Transonic Cryogenic Tunnel (TCT). This investigation represents another in the series of NASA/U.S.
Eichmann, O. +2 more
core +1 more source