Results 41 to 50 of about 41,222 (159)

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

An optimization procedure of shape and position of the aerodynamic device at the rear side of a semi-trailer truck model

Heliyon
The paper outlines the development and optimization of an aerodynamic device for a semi-trailer truck model to reduce aerodynamic drag force. The optimization procedure involves the selection of a basic aerodynamic device shape, using airfoil profiles ...
Stjepan Galamboš, Nebojša Nikolić, Goran Vorotović, Boris Stojić, Jovan Dorić, Dalibor Feher   +5 more
doaj   +1 more source

Aerodynamic shape optimization of an airliner elastic wing

ITM Web of Conferences, 2017
Aerodynamic shape optimization of a common airliner elastic wing is presented and compared with optimization of the same wing assuming rigid structure.
Navrátil Jan
doaj   +1 more source

Gradient-Based Aerodynamic Optimization of an Airfoil with Morphing Leading and Trailing Edges

Applied Sciences, 2021
This article presents a gradient-based aerodynamic optimization framework and investigates optimum deformations for a transonic airfoil equipped with morphing leading and trailing edges.
Zhenkai Zhang, Alessandro De Gaspari, Sergio Ricci, Chen Song, Chao Yang   +4 more
doaj   +1 more source

Efficient preliminary floating offshore wind turbine design and testing methodologies and application to a concrete spar design [PDF]

, 2015
The current key challenge in the floating offshore wind turbine industry and research is on designing economic floating systems that can compete with fixed-bottom offshore turbines in terms of levelized cost of energy. The preliminary platform design, as
Campos Hortigüela, Alexis, Cheng, Po Wen, Matha, Denis, Molins i Borrell, Climent, Sandner, Frank   +4 more
core   +2 more sources

Optimization and Experimental Investigation of a Single-Actuation Compliant Morphing Trailing Edge for Multiple Aerodynamic Configurations

Actuators
This work presents a low-fidelity optimization method for a compliant morphing wing trailing-edge structure, developed to achieve multiple optimized aerodynamic shapes under combined aerodynamic and control loads using a single actuation pathway ...
Martynas Lendraitis, Vaidas Lukoševičius   +1 more
doaj   +1 more source

Data Mining-Based Design Space Exploration and Optimization for Tandem Airfoils

International Journal of Aerospace Engineering, 2023
The joined-wing configuration has great technical appeal for the development of next-generation SensorCraft. Research based on the simplified tandem airfoil system can improve understanding of the joined-wing configuration’s aerodynamic characteristics ...
Yayun Shi, Xiayu Lan, Yiwen Wang, Tihao Yang, Yan Liu   +4 more
doaj   +1 more source

Robust Algorithm Software for NACA 4-Digit Airfoil Shape Optimization Using the Adjoint Method

Applied Sciences, 2023
Optimizing the aerodynamic shape of an airfoil is a critical concern in the aviation industry. The introduction of flexible airfoils has allowed the shape of the airfoil to vary, depending on the flight conditions. Therefore, in this study, we propose an
Naser Tanabi, Agesinaldo Matos Silva, Marcosiris Amorim Oliveira Pessoa, Marcos Sales Guerra Tsuzuki   +3 more
doaj   +1 more source

Aerodynamic Optimization of High-Speed Trains Nose using a Genetic Algorithm and Artificial Neural Network [PDF]

, 2011
An aerodynamic optimization of the train aerodynamic characteristics in term of front wind action sensitivity is carried out in this paper. In particular, a genetic algorithm (GA) is used to perform a shape optimization study of a high-speed train nose ...
Crespo Martínez, Antonio, García García, Javier, Muñoz Paniagua, Jorge   +2 more
core   +1 more source

Adjoint Optimization Method for Head Shape of High- ‎Speed Maglev Train

Journal of Applied Fluid Mechanics, 2021
The head shape of a high-speed maglev train was optimized in this study, based on the adjoint method, ‎and the aerodynamic drag of four optimized train models were simulated and compared using different ‎control point generation methods.
H. C. Li, Z. M. Yang, L. Zhang, R. Li
doaj