Results 91 to 100 of about 3,820 (224)

OPTIMASI AIRFOIL MENGGUNAKAN PARTICLE SWARM DENGAN PARAMETERISASI CST (CLASS SHAPE TRANSFORMATION)

open access: yesSimetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer, 2017
Airfoil merupakan profil penampang yang diaplikasikan pada sarana transportasi maupun pembangkit energi sebagai penampang sudu turbin. Airfoil yang dirancang diharapkan menghasilkan gaya angkat (lift) maksimal namun gaya hambat (drag) seminimal mungkin ...
Eva Hertnacahyani Herraprastanti
doaj   +1 more source

Airfoil Optimization Through Differential Evolution [PDF]

open access: yes, 2017
This thesis presents the development of a numerical optimization algorithm for airfoils, and how it can be used in design of wind turbine blades. It was found that the developed algorithm successfully improves the goal parameters under given conditions ...
Nilsson, Eddie
core  

Efficient polar optimization of transport aircraft in transonic RANS flow using adjoint gradient based approach

open access: yes, 2012
A major design requirement for transport aircraft is efficient cruise flight in the transonic region. From the aerodynamic viewpoint, this is achieved by favorable lift-to-drag ratio of the aircraft, both at the main design point and at off-design ...
Brezillon, Joel   +2 more
core  

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

open access: yesZhongguo 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   +5 more
doaj   +1 more source

Study of Airfoil Deflections for Unsteady Aerodynamics Optimization in Pitching Airfoils

open access: yesApplied 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.
William Refling   +4 more
openaire   +2 more sources

Shape parameterization of airfoil shapes using Bezier curves

open access: yes, 2017
Shape parameterization plays an important role in aerodynamic shape optimization process. The parameterization method used for optimization must be able to accurately model the aerodynamic body and also it should be flexible enough to take all the ...
Shikhar Jaiswal, A
core  

Robust Airfoil Optimization with Multi-objective Estimation of Distribution Algorithm

open access: yes, 2008
A transonic airfoil designed by means of classical point-optimization may result in its dramatically inferior performance under off-design conditions. To overcome this shortcoming, robust design is proposed to find out the optimal profile of an airfoil ...
Xiaoping, Zhong   +3 more
core   +1 more source

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

Comparative Study of Nature-Inspired Optimization Algorithms for Aerodynamics Shape Problem of Subsonic Airfoil

open access: yes, 2016
: The scheme of algorithm is decisively influence the result of aerodynamics shape optimization problem. There are many kind of optimization algorithms that being used, one of them is nature-inspired optimization algorithm such as Particle Swarm ...
Mohamad Arif Andira   +1 more
core  

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

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