Results 81 to 90 of about 21,634 (177)

Aerothermodynamic Optimization of Aerospace Plane Airfoil Leading Edge

open access: yesJournal of Aerospace Technology and Management, 2017
Aiming to mitigate the aerodynamic heating during hypersonic re-entry, the aerothermodynamic optimization of aerospace plane airfoil leading edge is conducted.
Chen Zhou   +3 more
doaj  

Application of numerical optimization to the design of advanced supercritical airfoils [PDF]

open access: yes
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.
core   +1 more source

Integrated system to perform surrogate based aerodynamic optimisation for high-lift airfoil [PDF]

open access: yes, 2016
This work deals with the aerodynamics optimisation of a generic two-dimensional three element high-lift configuration. Although the high-lift system is applied only during take-off and landing in the low speed phase of the flight the cost efficiency of ...
Cross, M.   +4 more
core  

Airfoil Optimization and Analysis Using Global Sensitivity Analysis and Generative Design

open access: yesAerospace
This research investigates the optimization of airfoil design for fixed-wing drones, aiming to enhance aerodynamic efficiency and reduce drag. The research employs Kulfan CST and Bézier surface parameterization methods combined with global sensitivity ...
Pablo Rouco   +3 more
doaj   +1 more source

Simulation Analysis and Experimental Study on Airfoil Optimization of Low-Velocity Turbine

open access: yesJournal of Marine Science and Engineering
By combining computational fluid dynamics (CFD) and surrogate model method (SMM), the relationship between turbine performance and airfoil shape and flow characteristics at low flow rate is revealed.
Chunyun Shen   +3 more
doaj   +1 more source

Transonic rotor tip design using numerical optimization [PDF]

open access: yes
The aerodynamic design procedure for a new blade tip suitable for operation at transonic speeds is illustrated. For the first time, 3 dimensional numerical optimization was applied to rotor tip design, using the recent derivative of the ROT22 code ...
Langhi, Ronald G., Tauber, Michael E.
core   +1 more source

Kriging-Based Variable Screening Method for Aircraft Optimization Problems with Expensive Functions

open access: yesAlgorithms
The computational complexity of airfoil optimization for aircraft wing designs typically involves high-dimensional parameter spaces defined by geometric variables, where each Computational Fluid Dynamics (CFD) simulation cycle may require significant ...
Yadong Wang   +4 more
doaj   +1 more source

Application of direct inverse analogy method (DIVA) and viscous design optimization techniques [PDF]

open access: yes
A direct-inverse approach to the transonic design problem was presented in its initial state at the First International Conference on Inverse Design Concepts and Optimization in Engineering Sciences (ICIDES-1).
Forbrich, D., Greff, E., Schwarten, H.
core   +1 more source

Aerodynamic Optimization of Airfoil in Wide Range of Operating Conditions Based on Reinforcement Learning

open access: yesAerospace
Airfoil aerodynamic design represents an essential domain in aircraft development, where the pursuit of advanced and intelligent optimization strategies is important for achieving significant advancements.
Yiting Zhang   +3 more
doaj   +1 more source

Optimization of Low Reynolds Number Airfoils for Martian Rotor Applications Using an Evolutionary Algorithm [PDF]

open access: yes
The Mars Helicopter (MH) will be flying on the NASA Mars 2020 rover mission scheduled to launch in July of 2020. Research is being performed at the Jet Propulsion Laboratory (JPL) and NASA Ames Research Center to extend the current capabilities and ...
Johnson, Wayne R.   +2 more
core   +1 more source

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