Results 71 to 80 of about 1,076 (183)

Aerothermodynamic Optimization of Aerospace Plane Airfoil Leading Edge

Journal 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, Zhijin Wang, Jiaoyang Zhi, Anatolii Kretov   +3 more
doaj  

Design Exploration of the NACA Airfoil Family Using High-Fidelity CFD Analysis [PDF]

INCAS Bulletin
As the aviation industry continues to prioritize sustainability, enhancing aerodynamic efficiency remains a central goal in reducing environmental impact.
Mihai-Vladut HOTHAZIE, Daniel-Eugeniu CRUNTEANU, Mihai-Victor PRICOP, Ionut BUNESCU, Mara-Florina NEGOITA, Mihaita-Gilbert STOICAN   +5 more
doaj   +1 more source

Multi-objective optimal design of airfoil based on multi-island genetic algorithm

Zhongguo Jianchuan Yanjiu
ObjectivesA multi-objective optimization algorithm is proposed to address the problem of the complex operating conditions of large horizontal axis hydraulic turbine blades.
Zhiyang ZHANG, Xu LIU, Linyan WU, Shaohua CHEN, Weixing LIU, Lin CUI   +5 more
doaj   +1 more source

Study of Airfoil Deflections for Unsteady Aerodynamics Optimization in Pitching Airfoils

Applied Sciences
Camber deflection concepts for a VR-12 rotorcraft airfoil were studied for the optimization of unsteady aerodynamics, including dynamic stall conditions and wing–wing interactions during pitching. The designs are based on deflections of the leading edge and trailing edge sections of the airfoil.
Refling, William, Fabijanic, Charles, Sprengeler, Thomas, Suzen, Yildirim Bora, Estevadeordal, Jordi   +4 more
openaire   +2 more sources

Airfoil Optimization and Analysis Using Global Sensitivity Analysis and Generative Design

Aerospace
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, Pedro Orgeira-Crespo, Guillermo David Rey González, Fernando Aguado-Agelet   +3 more
doaj   +1 more source

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

Algorithms
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, Xinyao Duan, Jiang Wang, Jin Guo, Minglei Han   +4 more
doaj   +1 more source

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

Aerospace
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, Jiaqi Luo, Yao Zheng, Yaolong Liu   +3 more
doaj   +1 more source

Optimization of Long-Endurance Airfoils [PDF]

21st AIAA Applied Aerodynamics Conference, 2003
Jun Hua, Fanmei Kong, Po-yang Liu, David Zingg   +3 more
openaire   +1 more source

ACCELERATED AIRFOIL OPTIMIZATION VIA VIBRATIONAL GENETIC ALGORITHM

Havacılık ve Uzay Teknolojileri Dergisi, 2003
Transonic airfoil optimization is made for drag minimisation through shock wave reduction. In this study, a new approach to genetic algorithms, called Vibrational Genetic Algorithm (VGA), is used for transonic airfoil optimization.
Abdurrahman Hacıoğlu, İbrahim Özkol
doaj  

Aerodynamic Interference Mechanisms and Optimization of Two-Dimensional Tandem Airfoils Based on a Bayesian Optimization Framework

Applied Sciences
The highly nonlinear aerodynamic interference in tandem-airfoil configurations significantly hinders the precise exploitation of their aerodynamic potential.
Haijun Gong, Jiayi Li, Tianyu Xia, Haiqing Si, Hao Dong   +4 more
doaj   +1 more source