Results 71 to 80 of about 9,266,844 (203)
Kongqi donglixue xuebaoThe aerodynamic performance of the high-pressure capturing wing (HCW), a novel aerodynamic configuration with significant promise for high-speed aircraft, primarily depends on its geometry and positioning.
Fengyi Wang +5 more
doaj +1 more source
Wind Turbine Control for Spatially Varying Turbulence
Wind Energy, Volume 29, Issue 8, August 2026.ABSTRACT This study investigates the influence of inflow turbulence generation simulation methods and blade pitch control strategies on the performance and blade structure loading of a large offshore wind turbine. Two inflow representations were considered: synthetic Kaimal turbulence generated in accordance with IEC design standards and large‐eddy ...
Hannah Mullings +5 more
wiley +1 more source
FluidsAn adaptive Free-Form Deformation parameterization method based on a spring analogy is presented for aerodynamic shape optimization problems. The proposed method effectively incorporates the gradients of the objective and constraint functions, achieving ...
Jinxin Zhou +3 more
doaj +1 more source
The quest for a truly parsimonious airfoil parameterisation scheme
, 2008 The conceptual phase of the aircraft design process demands a parsimonious description of the airframe geometry. While there is no hard and fast upper limit on the affordable number of variables, the so-called 'curse of dimensionality' must always be ...
Sóbester, András, Barrett, Thomas
core +1 more source
Effects of an Owl Airfoil on the Aeroacoustics of a Small Wind Turbine
EnergiesAerodynamic noise emitted by small wind turbines is a concern due to their proximity to urban environments. Broadband airfoil self-noise has been found to be the major source, and several studies have discussed techniques to reduce airfoil leading-edge ...
Dean Sesalim, Jamal Naser
doaj +1 more source
Airfoil Optimization of Tiltrotor Aircraft Forward Flight Mode Based on Isight
Hangkong gongcheng jinzhan, 2019 As one of the main development trends of the next generation rotor-crafts, it is of important significance to study the aerodynamic optimization design of its wings for improving the flight performance of tiltrotor aircraft.NACA2412 is employed as the ...
Zhao Guang +4 more
doaj +1 more source
Chinese Journal of Aeronautics, 2013 AbstractA robust optimization design approach of natural laminar airfoils is developed in this paper. First, the non-uniform rational B-splines (NURBS) free form deformation method based on NURBS basis function is introduced to the airfoil parameterization.
Li, Jing +3 more
openaire +1 more source
Multi-Objective Numerical Optimization Applied to Aircraft Design [PDF]
, 2008 Aircraft design is a very complex process because several disciplines are involved at the same time: aerodynamics, structures, performances, propulsion, costs. From this point of view, the real aircraft is a compromise between several requirements, often
Grasso, Francesco
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The History of the Slotted Natural-Laminar-Flow Airfoil for Improved Fuel Efficiency
AerospaceIt is well established that increasing vehicle efficiency enables the achievement of N + 3 sustainable air travel goals. To this end, the integration of a slotted natural-laminar-flow airfoil with a transonic, truss-based commercial wing configuration is
Sreya Kumpatla +2 more
doaj +1 more source
The effect of variations in first- and second-order derivatives on airfoil aerodynamic performance
Engineering Applications of Computational Fluid Mechanics, 2017 The geometric factors which influence airfoil aerodynamic performance are attributed to variations in local first- and second-order curvature derivatives.
Penghui Yi +4 more
doaj +1 more source