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Journal articles on the topic 'Aerodynamic Design'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Zhang, Wei, Lin Zhou, Ke Zhao, Ruibin Zhang, Zhenghong Gao, and Bowen Shu. "Airfoil Design Optimization of Blended Wing Body for Various Aerodynamic and Stealth Stations." Aerospace 11, no. 7 (2024): 586. http://dx.doi.org/10.3390/aerospace11070586.

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The airfoil is the foundation of an aircraft, and its characteristics have a significant impact on those of the aircraft. Conventional airfoil design mainly focuses on improving aerodynamic performance, while flying wing airfoil designs should also consider layout stability and stealth performance. The design requirements for an airfoil vary with its position on the flying wing layout aircraft based on corresponding spanwise flow field characteristics. By analyzing the spanwise flow characteristics of the flying wing, partition design models for flying wing airfoils were established in this st

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Vaidhye, Rahul. "Blade Design and Performance Analysis of Wind Turbine." International Journal for Research in Applied Science and Engineering Technology 10, no. 6 (2022): 2220–27. http://dx.doi.org/10.22214/ijraset.2022.44217.

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Abstract: This paper reviews the design optimization of wind turbine blades through investigating the design methods and analyzing the performance of the blades. The current research work in this area include wind turbine blade geometric design and optimization, aerodynamics analysis, wind turbine blade structural design and dynamics analysis. Blade geometric design addresses the design parameters, including airfoils and their aerodynamic coefficients, attack angles, design tip speed ratio, design and/or rated wind speed, rotor diameter, blade aerodynamic shape with chord length and twist dist

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Li, Yan Long, Chen Ming Zhang, and Zhi Gang Yang. "Electric Car Styling Design and Aerodynamic Drag Optimization." Applied Mechanics and Materials 437 (October 2013): 463–70. http://dx.doi.org/10.4028/www.scientific.net/amm.437.463.

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The paper takes a research on low-drag electric cars, and set a technical route that design with ideal aerodynamic shapes and then developed into car-like shape. At last, both design refinement and aerodynamics optimization are given, finally comes out a successful concept electric car design with a nice aerodynamic of Cd=0.19.

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Quan, Vu Hai. "RESEARCH AND OPTIMIZATION OF SPORT UTILITY VEHICLE AERODYNAMIC DESIGN." Applied Engineering Letters : Journal of Engineering and Applied Sciences 9, no. 2 (2024): 105–15. http://dx.doi.org/10.46793/aeletters.2024.9.2.5.

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Drag and lift are two important parameters to evaluate a vehicle’s aerodynamic performance. Aerodynamic resistance (drag force Fd) prevents the movement of the vehicle and has a value proportional to the square of the velocity. That is, when the speed increases twice, the aerodynamic drag will increase fourfold. This article presents a plan to design a sport utility vehicle model with improved aerodynamics by using Ansys Fluent software to analyze pressure distribution areas that affect aerodynamics and the body. Based on the results obtained, the areas of stress and maximum pressure concentra

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Repmann, Carsten, and Tobias Tinschert. "Aerodynamic Design." ATZextra worldwide 14, no. 2 (2009): 52–55. http://dx.doi.org/10.1365/s40111-009-0170-6.

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Qi, Xiaojing, Yuxin Ou, Hance Zhang, and Da Wang. "Efficiency Enhancement Design Approach in the Side Wing of a FSAE Car Utilizing a Shutter-Like Fairing Structure." Applied Sciences 12, no. 13 (2022): 6552. http://dx.doi.org/10.3390/app12136552.

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Aerodynamical design is one of the critical technologies in race car engineering, and favorable race car aerodynamics is supposed to provide sufficient negative lift force and keep the center of pressure in the vicinity of center of mass. Taking the Formula Society of Automotive Engineers (FSAE) cars as an example, side wing structure is frequently adopted for better grip in the mid-back of short wheelbase, open wheel race cars. This research designs a shutter-like fairing structure and utilizes it to weaken the vorticity and reinforce the pressure of side wing flow field. The sensitivity of s

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Zhang, Ying Chao, Zhe Zhang, Shuang Hu Luo, and Jian Hua Tian. "Aerodynamic Numerical Simulation in the Process of Car Styling." Applied Mechanics and Materials 16-19 (October 2009): 862–65. http://dx.doi.org/10.4028/www.scientific.net/amm.16-19.862.

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With the development of automotive industry of China, more and more new cars are brought out. Then more and more stylists and engineers will take part in car styling to design new car. In the process of car styling, Car aerodynamics is important to its performance. Especially for more excellent handling and stability performance, more aerodynamic analysis and optimization should been done. At first it was introduced that the process of car styling in this paper. The functions of aerodynamics in the process were indicated. Secondly some ways of aerodynamic analysis were put forward. The first o

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Tian, Hong-qi. "Review of research on high-speed railway aerodynamics in China." Transportation Safety and Environment 1, no. 1 (2019): 1–21. http://dx.doi.org/10.1093/tse/tdz014.

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Abstract High-speed railway aerodynamics is the key basic science for solving the bottleneck problem of high-speed railway development. This paper systematically summarizes the aerodynamic research relating to China’s high-speed railway network. Seven key research advances are comprehensively discussed, including train aerodynamic drag-reduction technology, train aerodynamic noise-reduction technology, train ventilation technology, train crossing aerodynamics, train/tunnel aerodynamics, train/climate environment aerodynamics, and train/human body aerodynamics. Seven types of railway aerodynami

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Bukowski, A., P. Twigg, G. Walker, and S. Sigurnjak. "Shaping the Future of Road Haulage Trailer Design." Measurement and Control 44, no. 10 (2011): 315–18. http://dx.doi.org/10.1177/002029401104401004.

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Aerodynamics is a subject that serves a wide range of industries and contains many different specialist areas in which to find expertise. Primarily concerned with the analysis of fluid flow, there are numerous applications: Aerospace and automobile manufacturers are the typical associations with aerodynamics, but there is increasing interest in the subject from industries and manufacturers that now have an incentive to pursue aerodynamic designs in the interest of fuel-efficiency. Freight and Commercial vehicles are one such industry. The Cartwright Group are a trailer bodybuilder manufacturin

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Gai, Ao. "Improving Aerodynamic Efficiency and Decreasing Drag Coefficient of an F1 in Schools Race Car." Modern Applied Science 15, no. 2 (2021): 73. http://dx.doi.org/10.5539/mas.v15n2p73.

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To improve the aerodynamic efficiency of a Formula One (F1) in Schools race car, the original model of the car is evaluated and compared with a new design. The ideas behind the new design are supported by research about aerodynamics. Different potential designs are created with CAD software Fusion 360 and evaluated within CFD software Solid Edge 2020 with FloEFD. Empirical data shows how specific changes to the structure of race cars can improve aerodynamic efficiency by decreasing their aerodynamic drag. The experimental data and methods of this study can provide help and guidance for teenage

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11

Jasa, John, Andrew Glaws, Pietro Bortolotti, Ganesh Vijayakumar, and Garrett Barter. "Wind turbine blade design with airfoil shape control using invertible neural networks." Journal of Physics: Conference Series 2265, no. 4 (2022): 042052. http://dx.doi.org/10.1088/1742-6596/2265/4/042052.

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Abstract Wind turbine blade design is a highly multidisciplinary process that involves aerodynamics, structures, controls, manufacturing, costs, and other considerations. More efficient blade designs can be found by controlling the airfoil cross-sectional shapes simultaneously with the bulk blade twist and chord distributions. Prior work has focused on incorporating panel-based aerodynamic solvers with a blade design framework to allow for airfoil shape control within the design loop in a tractable manner. Including higher fidelity aerodynamic solvers, such as computational fluid dynamics, mak

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Escobar-Ruiz, Alan G., Omar Lopez-Botello, Luis Reyes-Osorio, Patricia Zambrano-Robledo, Luis Amezquita-Brooks, and Octavio Garcia-Salazar. "Conceptual Design of an Unmanned Fixed-Wing Aerial Vehicle Based on Alternative Energy." International Journal of Aerospace Engineering 2019 (November 14, 2019): 1–13. http://dx.doi.org/10.1155/2019/8104927.

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This paper focuses on the aerodynamics and design of an unmanned aerial vehicle (UAV) based on solar cells as a main power source. The procedure includes three phases: the conceptual design, preliminary design, and a computational fluid dynamics analysis of the vehicle. One of the main disadvantages of an electric UAV is the flight time; in this sense, the challenge is to create an aerodynamic design that can increase the endurance of the UAV. In this research, the flight mission starts with the attempt of the vehicle design to get at the maximum altitude; then, the UAV starts to glide and bat

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Ji, Rui, Yinting Shen, and Kai Sheng. "The recent progress and state-of-art applications of aerodynamics for vehicle." Highlights in Science, Engineering and Technology 13 (August 21, 2022): 75–81. http://dx.doi.org/10.54097/hset.v13i.1334.

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Transportation is an indispensable part of human beings’ daily life, thus plenty of scholars have focused on improving the energy efficiency of transportation. The application and development of aerodynamics is of paramount importance. In this article, the effects of three types of locomotives on aerodynamic performance of high-speed trains are investigated. In order to lucubrate this topic, the definition of aerodynamics by different scientists is firstly discussed and showed, they basically classify them by three different kinds of ways. Subsequently, the creation of aerodynamics, historical

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Ye, Ruiqi, Ziming Liu, Jin Cui, Chenyang Wang, and Yirong Wu. "Aerodynamic Analysis of Hovering Flapping Wing Using Multi-Plane Method and Quasi-Steady Blade Element Theory." Applied Sciences 14, no. 10 (2024): 4258. http://dx.doi.org/10.3390/app14104258.

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In the design of flapping-wing micro-size air vehicles capable of hovering, wings serve as the primary source of hovering power, making the analysis of aerodynamics and aerodynamic efficiency crucial. Traditional quasi-steady models treat the wings as single rigid plane, neglecting the deformable characteristics of flexible wings. This paper proposes a multi-plane method that, in conjunction with various design parameters of flexible wings in a two-dimensional plane, analyzes their deformation characteristics under the assumption of multiple planes in three-dimensional space, and describes the

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Wang, Shuyue, Cong Wang, and Gang Sun. "The Objective Space and the Formulation of Design Requirement in Natural Laminar Flow Optimization." Applied Sciences 10, no. 17 (2020): 5943. http://dx.doi.org/10.3390/app10175943.

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Design requirement is as important in aerodynamic design as in other industries because it sets up the objective for the samples in design space to approach. Natural Laminar Flow (NLF) optimization belongs to the type of aerodynamic design problems featured by the combination of distinct aerodynamic performance, where the design requirement is often formulated in form of summation of laminar-related performance and pressure drag performance with different weight assignment according to different perspectives. However, the formulations are rather experience-oriented and are decided non-quantita

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16

Flaxington, D., and E. Swain. "Turbocharger aerodynamic design." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 213, no. 1 (1999): 43–57. http://dx.doi.org/10.1243/0954406991522176.

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The aerodynamic design of turbochargers is described, covering radial compressors and turbines and also axial turbines. The paper concentrates upon those aspects that are peculiar to turbocharger design, including the approach adopted, and highlights the importance of company-specific empirical data. Turbochargers have to be physically adaptable to suit many different sizes of engine, with a great variety of operating duties. The need for turbochargers to achieve the highest obtainable performance at the lowest cost while maintaining durability levels comparable with the engine contributes to

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ABUMERE, AKHANOLU, and EIZIELEN AHIANBA JOSEPH. "THE RELEVANCE OF AERODYNAMICS IN ARCHITECTURE." FAR Journal of Arts, Humanities and Social Studies (FARJAHSS) 2, no. 3 (2025): 16–17. https://doi.org/10.5281/zenodo.15480265.

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Aerodynamics plays a crucial role in shaping the architectural design, improving and influencing the performance, sustainability and functionality of buildings and structures. By understanding air-flow patterns, wind loads and pressure distribution around structures, architects and structural engineers can create buildings that are not only aesthetically-pleasing but also functional, efficient and resilient. The relevance of aerodynamics in architecture is multifaceted. It deals with the design of building shapes, orientations and layouts to minimize wind-induced loads, reduce energy consumpti

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Chiang, H. W. D., and S. Fleeter. "Passive Control of Flow-Induced Vibrations by Splitter Blades." Journal of Turbomachinery 116, no. 3 (1994): 489–500. http://dx.doi.org/10.1115/1.2929438.

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Splitter blades as a passive control technique for flow-induced vibrations are investigated by developing an unsteady aerodynamic model to predict the effect of incorporating splitter blades into the design of an axial flow blade row operating in an incompressible flow field. The splitter blades, positioned circumferentially in the flow passage between two principal blades, introduce aerodynamic and/or combined aerodynamic-structural detuning into the rotor. The unsteady aerodynamic gust response and resulting oscillating cascade unsteady aerodynamics, including steady loading effects, are det

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19

Jahn, Ingo, and Peter Jacobs. "Using Meridional Streamline and Passage Shapes to Generate Radial Turbomachinery Geometry and Meshes." Applied Mechanics and Materials 846 (July 2016): 1–6. http://dx.doi.org/10.4028/www.scientific.net/amm.846.1.

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An important aspect for structural and aerodynamics design of radial flow turbomachinery is the definition of the geometry and the generation of meshes for computational analysis. Particularly in the area of computational design and optimization, the way the geometry is defined is important, as it can limit design space. Traditionally, radial compressors and radial turbine rotors are defined using a mechanical design approach. Effectively a hub and shroud profile, followed by a rotorblade geometry are defined and the shape is adjusted in order to meet certain aerodynamic boundary conditions. T

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Yoshida, Yuki, Edyta Dziemińska, and Tomasz Goetzendorf-Grabowski. "Amphibious airplane for underwater observation: Conceptual design." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 232, no. 14 (2018): 2627–37. http://dx.doi.org/10.1177/0954410018799140.

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This paper aims at presenting the conceptual design of an amphibious airplane for underwater observation in the territory of Japan. Taking into account the specificity of this type of vehicles, particular attention should be paid to the analysis of aerodynamic and dynamic characteristics of aircraft. In order to cope up with this topic, commercial tools have been exploited (such as ANSYS Fluent for wing aerodynamics analysis) as well as the home-built software PANUKL package for aerodynamic analysis of the entire airplane and simulation and dynamic stability analysis for dynamic analysis. Spec

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Shi, Huajie. "Advancements and Innovations in Racing Car Aerodynamics: Cutting-Edge Techniques in Drag Reduction and Downforce Management." Applied and Computational Engineering 169, no. 1 (2025): 54–59. https://doi.org/10.54254/2755-2721/2025.ch24718.

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Racing aerodynamics is a core research area of modern racing engineering. It reduces air resistance and increases downforce by optimizing airflow management, thereby enhancing the speed, stability and maneuverability of the racing car. In recent years, Computational Fluid Dynamics (CFD) and wind tunnel experimental technology have been widely used in racing aerodynamic research, helping teams in events such as F1, Le Mans and Formula E to optimize the team streamline design and the angles of the front and rear spoiler panels to achieve the best balance between straights and curves. In addition

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Shan, Yong, Xiaoming Zhou, Xiaoming Tan, Jingzhou Zhang, and Yanhua Wu. "Parametric Design Method and Performance Analysis of Double S-Shaped Nozzles." International Journal of Aerospace Engineering 2019 (May 12, 2019): 1–24. http://dx.doi.org/10.1155/2019/4694837.

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A parametric design method, which was based on super-elliptical transition and self-adaption infrared radiation shield for the double S-shaped nozzle, was introduced. The complete shielding of high-temperature components in the S-shaped nozzle was realized. Model experiments and numerical simulations were performed to investigate the effects of offset ratio S/D, the ratio of length to diameter L/D, and the aspect ratio W/H on the aerodynamics and infrared radiation. The results showed that the total pressure recovery and thrust coefficients were improved initially, but dropped rapidly with the

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Regodić, Dušan. "NEW PRODUCT DESIGN AS PART OF THE DIGITAL FACTORY CONCEPT." MB University International Review 1, no. 1 (2023): 29–38. http://dx.doi.org/10.61837/mbuir010123029r.

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The concept of digital production represents the basis for the development of a digital production system, i.e. a digital factory. The digital factory represents the integration of the virtual and real factory. Inside the virtual factory, products, processes and resources are modeled on the basis of real data, which are then tested, improved and optimized through the application of digital production tools. Finally, when the results of the virtual factory are verified and all possible irregularities are removed, they can be applied in the real factory. The primary goal of this paper is t

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ROTARU, Constantin, Carmen ŞTEFAN, Gabriel RĂDUCANU, and Radu DINCĂ. "AIRPLANE PROPELLERS AERODYNAMIC DESIGN AND PERFORMANCES ANALYSIS." Review of the Air Force Academy 15, no. 1 (2017): 99–104. http://dx.doi.org/10.19062/1842-9238.2017.15.1.12.

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Wenhui, Yan, and Zhang Kun. "Effects of Stage Spacing on Contra-Rotating Propeller Aerodynamic Interactions." Journal of Physics: Conference Series 2478, no. 12 (2023): 122013. http://dx.doi.org/10.1088/1742-6596/2478/12/122013.

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Abstract To identify the law of aerodynamic interactions of contra-rotating propellers (CRPs) and improve their aerodynamics, this study investigates the aerodynamic interactions of 4 CRPs (six blades in front and six in back) with different stage spacings using the Reynolds-averaged Navier-Stokes (RANS) equations-based method. The results showed that the CRP whose stage spacing was 0.25 times the propeller diameter delivered the highest average efficiency and that the aerodynamic interactions between the front and rear propellers decreased as the spacing widened, and compared with the rear pr

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Dai, Zichen, Zhenqi Dai, and Yue Rong. "Design and optimization of formula racing car body and aerodynamic kits." Applied and Computational Engineering 28, no. 1 (2023): 119–31. http://dx.doi.org/10.54254/2755-2721/28/20230188.

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Formula SAE (FSAE) is a globally influential automotive design and manufacturing competition sponsored by colleges and universities.As the motive power of the car is strictly limited by the rules, the aerodynamic optimization of the body is an extremely important aspect to improve the performance. In this article, the influence of designing parameters of aerodynamic kits and the whole body on the negative lift and air resistance is explored. Also, 3D components has been established and simulation results are used to optimize the body shape, combined with the aerodynamic components to achieve t

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Zhang, Shuhao. "Analysis of the principle and applications of aerodynamics in high-speed railway." Highlights in Science, Engineering and Technology 72 (December 15, 2023): 318–25. http://dx.doi.org/10.54097/zaz94227.

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In recent years, high speed railway trains are a main part of modern transportation which brings extremely convenient. In this case, studies on aerodynamic performances and phenomenon of trains are the core for further development of high-speed trains. With this in mind, this paper briefly introduced aerodynamic formulae as well as summarized some major computational designs of train noses, with the corresponding experimental results of some designs. On this basis, the application of some designs was explained, with follow up limitations and outlooks of aerodynamics of high-speed trains. Accor

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Lu, Jing, Yan Fang Hang, and Ying Jun Hu. "Thin Film Geometry Design for Flapping Rotor Wing." Applied Mechanics and Materials 633-634 (September 2014): 1299–302. http://dx.doi.org/10.4028/www.scientific.net/amm.633-634.1299.

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The shape of thin film for flapping rotor wing has a significant impact on aerodynamics. To increase lift, we designed 7 different flexible film wings. Then we compared the aerodynamic force of thin film in accordance with the same aspect ratio of different shapes and the same shape of different aspect ratio. The conclusions suitable for the thin film design guide are obtained. The aspect ratio of thin film for flapping rotor wing is inversely proportional to the aerodynamic force. At the same aspect ratio, the film wing designed by bionic is superior to other shapes. With the aspect ratio inc

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He, Fushan, Xingsheng Zheng, Weilin Luo, et al. "Collaborative Optimization of Aerodynamics and Wind Turbine Blades." Applied Sciences 15, no. 2 (2025): 834. https://doi.org/10.3390/app15020834.

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This paper explores the application of multidisciplinary design optimization to the blades in horizontal-axis wind turbines. The aerodynamics and structural performance of blades are considered in the optimization framework. In the aerodynamic discipline, class function/shape function transformation-based parameterized modeling is used to express the airfoil. The Wilson method is employed to obtain the aerodynamic shape of the blade. Computational fluid dynamics numerical simulation is performed to analyze the aerodynamics of the blade. In the structural discipline, the materials and ply lay-u

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Дмитрій Миколайович Зінченко, Г. Ортамевзи, and А. Рахмати. "THE CALCULATION AERODYNAMIC CHARACTERISTICS OF A HYBRID AEROSTATIC AIRCRAFT." MECHANICS OF GYROSCOPIC SYSTEMS, no. 27 (October 6, 2014): 102–11. http://dx.doi.org/10.20535/0203-377127201438208.

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The article presents a justification layout a new type aircraft with two different sources lifting force – aerodynamic and aerostatic. Consider especially the exploitation aircraft easier to air, identified key issues research, unresolved tasks, formulated the task. Logged matching aerodynamic profile for bearing surface hybrid aircraft, made its adaptation. Using the method of computational aerodynamics the calculation of the flow around the bearing surface, presents an analysis of the results and conclusions and recommendations are given on an aerodynamic design.

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Xue, Dongwen, Qun Yan, Zhuohan Li, and Kai Wei. "Multidisciplinary Optimization Design of Low-Noise Propellers." Aerospace 10, no. 3 (2023): 254. http://dx.doi.org/10.3390/aerospace10030254.

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In this paper, a multidisciplinary optimization design method and its verification of low-noise aircraft propellers considering aerodynamics, noise, and structural strength were carried out to further reduce the aerodynamic noise of the aircraft propellers. The Vortex Lattice Method-based Lift Surface Method and the Frequency-Domain-based Hanson Method were deployed to evaluate the aerodynamic performance and far-field noise of the propeller with validation by benchmark test result comparison, respectively. Integrating both of the aforementioned methods, the constraints, and a genetic algorith

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Ahmadi, Hamza Ben, Yousef Abdulbari Atfah, Catherine Kamal Samy, Lujain Subhi, Haya Fares Turkmani, and Sharul Sham Dol. "Improved Design For Horizontal Axis Wind Turbine Blades With Winglets." Platform : A Journal of Engineering 7, no. 4 (2023): 16. http://dx.doi.org/10.61762/pajevol7iss4art25233.

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The horizontal axis wind turbine blades are modified to enhance the turbine's aerodynamic performance. The performance of the modified geometry was evaluated by comparing the lift, drag and torque findings to the same propeller with a straight leading edge. The symmetrical airfoil of NACA 0012 was chosen for the turbine blade profiles. The computational fluid dynamics (CFD) simulation was performed using the shear stress transport (SST) k-ω turbulence model to capture the vortical structures for the inlet wind speed of 20 m/s. From the simulation results, it has been shown that the four blades

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Kaushal. "Aerodynamic Optimization of Small Launch Vehicles: Challenges, Design Considerations, and Future Trends." Acceleron Aerospace Journal 3, no. 2 (2024): 419–26. http://dx.doi.org/10.61359/11.2106-2436.

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This study explores the aerodynamics of small launch vehicles with the goal of enhancing efficiency and minimizing aerodynamic challenges. It delves into various lift and drag principles and the unique challenges faced by small vehicles tasked with carrying satellites into space. The research highlights optimization approaches that can be employed in aerodynamics, which are often difficult to implement due to conflicting design parameters. The findings emphasize the importance of maximizing aerodynamic efficiency to increase payload capacity, reduce launch costs, and improve mission success ra

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Lyu, Yongxi, Weiguo Zhang, Jingping Shi, Xiaobo Qu, and Huakun Chen. "Design of Control Law of Post Stall Maneuver under Unsteady Aerodynamics Based on Improved Dynamic Inverse Method." Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University 37, no. 3 (2019): 523–31. http://dx.doi.org/10.1051/jnwpu/20193730523.

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In this paper, a practical improved dynamic inverse control method is proposed to solve the large control error and control hysteresis of post stall maneuver under unsteady aerodynamics. Firstly, depending on the wind tunnel experimental data of the advanced fighter aircraft model under biaxial coupled large oscillation, an accurate unsteady aerodynamic model is established by using the improved extreme learning machine (ELM) method. Secondly, in terms of the time scale separation, the control error caused by unsteady aerodynamic is reduced by adding integral in the fast loop, and the control

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Xiang, Jinwu, Kai Liu, Daochun Li, Chunxiao Cheng, and Enlai Sha. "Unsteady aerodynamic characteristics of a morphing wing." Aircraft Engineering and Aerospace Technology 91, no. 1 (2018): 1–9. http://dx.doi.org/10.1108/aeat-04-2017-0101.

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Purpose The purpose of this paper is to investigate the unsteady aerodynamic characteristics in the deflection process of a morphing wing with flexible trailing edge, which is based on time-accurate solutions. The dynamic effect of deflection process on the aerodynamics of morphing wing was studied. Design/methodology/approach The computational fluid dynamic method and dynamic mesh combined with user-defined functions were used to simulate the continuous morphing of the flexible trailing edge. The steady aerodynamic characteristics of the morphing deflection and the conventional deflection wer

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Lee, K. D., and S. Eyi. "Aerodynamic design via optimization." Journal of Aircraft 29, no. 6 (1992): 1012–19. http://dx.doi.org/10.2514/3.46278.

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Smith, L. H. "Unducted Fan Aerodynamic Design." Journal of Turbomachinery 109, no. 3 (1987): 313–24. http://dx.doi.org/10.1115/1.3262108.

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A method being used to design unducted fans, which are counterrotating propellers with unusually high disk loadings, is described. The quasi-three-dimensional approach employed is similar to that used for ducted fan designs; it consists of a circumferential-average flowfield analysis followed by cascade designs that include secondary flow and sweep effects. The open-tip condition enters as a significant secondary flow contribution. Blade shapes defined by this process are analyzed by a three-dimensional Euler solver and final adjustments are made as necessary. Examples of application of the me

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Ahmed, M., and N. Qin. "Surrogate-Based Aerodynamic Design Optimization: Use of Surrogates in Aerodynamic Design Optimization." International Conference on Aerospace Sciences and Aviation Technology 13, AEROSPACE SCIENCES (2009): 1–26. http://dx.doi.org/10.21608/asat.2009.23442.

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Nikolaou, Eleftherios, and Vassilis Kostopoulos. "Vee-Tail Preliminary Design Methodology for Class I mini- UAV." Journal of Physics: Conference Series 2716, no. 1 (2024): 012062. http://dx.doi.org/10.1088/1742-6596/2716/1/012062.

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Abstract Unmanned Air Vehicles (UAVs) are becoming increasingly popular and widely used in a variety of industries. They can be used for tasks such as agriculture, construction, delivery, surveillance, rescue operations, mapping, wildlife tracking and many more. With the advancements in technology, UAVs are becoming more autonomous and able to perform tasks with minimal human intervention, so are widely used for military and law enforcement purposes. V-tail configurations are commonly used on UAVs due to their advantages in control and stability performance, as well as their ability to reduce

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Lukyanenko, V. M., A.A. Nikiforov, and A. P. Nikiforova. "Determination of appropriate design parameters of aerodynamic screen for packages of the workplane of vibrating machines." Engineering of nature management, no. 3(21) (August 28, 2021): 82–88. https://doi.org/10.5281/zenodo.7336079.

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The modern practice of using vibrating machines when working with small seeds of light weight is faced with such an undesirable phenomenon as the impact on the kinematics of vibrational motion of particles of fractions of the seed mixture of aerodynamic forces and moments. The results of the use of vibrating machines, which are the most effective means for the separation of fractions of fine-seed mixtures, are significantly deteriorating. Studies on the substantiation of the parameters of operating modes and structural improvements of vibrating machines in order to reduce or eliminate the acti

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Kakade, Sayali, Deekshitha Chikkala, Keerthana Reghunath, and Aravind Seeni. "Aerodynamic Analysis and Optimization of Wings for the Jain University Sailplane Using XFLR5." ECS Transactions 107, no. 1 (2022): 493–513. http://dx.doi.org/10.1149/10701.0493ecst.

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The wing of a sailplane must be designed to conform to specified mission and design requirements. High aerodynamic efficiency and good stall characteristics are some of the design requirements, while achieving level flight at a particular altitude could be a mission requirement. The aerospace engineering students of Jain University set out the task of designing a sailplane capable of flying at an altitude of 7,000 feet. The design task was undertaken using the computational code XFLR5. In the first step, the aerodynamic characteristics of five different airfoils are analyzed considering the ef

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Bhagya Lakshmi Nageswari, M., and Dr U. S. Jyothi. "Aerodynamic analysis of railway wagon on drag coefficient." E3S Web of Conferences 184 (2020): 01058. http://dx.doi.org/10.1051/e3sconf/202018401058.

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Aerodynamics play a major role in transport. When speed increases aerodynamic factors come into existence. By altering the design in an aerodynamic way, it can lead to better efficiency. This paper presents the effect of aerodynamic parameters on the wagon. The analysis was carried out on the existing and modified geometries using ANSYS Fluent 18.1softwareconsidered in the static ground conditions with the wind flowing at zero yaw angles. It was found that the coefficient of drag (Cd) is reduced by 17.7% for the modified wagon with the realistic wagon on an average.

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Chi, Hua Wei, Pey Shey Wu, Kami Ru Chen, Yue Hua Jhuo, and Hung Yun Wu. "Optimization of Aerodynamic Performance of Wind Turbine Blades." Applied Mechanics and Materials 284-287 (January 2013): 518–22. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.518.

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A wind-power generation system uses wind turbine blades to convert the kinetic energy of wind to drive a generator which in turn yields electricity, the aerodynamic performance of the wind turbine blades has decisive effect on the cost benefit of the whole system. The aerodynamic analysis and the optimization of design parameters for the wind turbine blades are key techniques in the early stage of the development of a wind-power generation system. It influences the size selection of connecting mechanisms and the specification of parts in the design steps that follows. A computational procedure

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Albuquerque, Pedro, Pedro Gamboa, and Miguel Silvestre. "Parametric Aircraft Design Optimisation Study Using Span and Mean Chord as Main Design Drivers." Advanced Materials Research 1016 (August 2014): 365–69. http://dx.doi.org/10.4028/www.scientific.net/amr.1016.365.

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The present work describes an aircraft design methodology that uses the wingspan and its mean aerodynamic chord as main design parameters. In the implemented tool, low fidelity models have been developed for the aerodynamics, stability, propulsion, weight, balance and flight performance. A Fortran® routine that calculates the aircraft performance for the user defined mission and vehicle’s performance requirements has been developed. In order to demonstrate this methodology, the results for a case study using the design specifications of the Air Cargo Challenge 2013 are shown.

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Researcher. "AERODYNAMICS STUDIES OF VARIOUS PASSENGER VEHICLES USING COMPUTATIONAL FLUID DYNAMICS (CFD)." International Journal of Mechanical Engineering and Technology (IJMET) 15, no. 6 (2024): 1–9. https://doi.org/10.5281/zenodo.14499663.

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This research work explores the aerodynamic characteristics of various automobiles, specifically passenger vehicles like sedans, SUVs, and hatchbacks, utilizing computational fluid dynamics (CFD) simulations and performing practical experimentation using wind tunnel. Previous studies on this topic were not able to give a comparative aerodynamic analysis of different automotive body type of automobiles. The study focuses on comparing the pressure distribution on the body of each vehicle type due to aerodynamic forces to gain insights into their aerodynamic performance and will help determine th

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Jiao, Shenghai, Ling Tao, Hao Wang, Xiao Wang, and Wenjun Ruan. "Aerodynamic Characteristics and Its Sensitivity Analysis of a Cylindrical Projectile at Different Incidences." Applied Sciences 14, no. 15 (2024): 6683. http://dx.doi.org/10.3390/app14156683.

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The accurate evaluation of aerodynamic characteristics is a prerequisite and foundation for the design of high-performance aerodynamic shapes, navigation guidance, and strength of projectiles. The nonlinearity of aerodynamic calculations for a projectile is high, and the modeling and simulation are difficult, especially under the high-angle of attack flight conditions. Small variations in flight conditions, and structural parameters, etc., may cause large deviations in aerodynamic responses. Taking a small cylindrical projectile as an example, and to realize its attitude control, it is necessa

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Zhao, Xinxin, Jinguang Shi, Huajie Ren, and Zhongyuan Wang. "Nonlinear Model and Ballistic Impact of Body Aerodynamics for Canard Dual-Spin Aircraft." Aerospace 12, no. 6 (2025): 558. https://doi.org/10.3390/aerospace12060558.

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Targeting the nonlinear issues of the canard dual-spin aircraft, which relies on the high-speed rotation of the afterbody for flight stability and achieves trajectory correction by adjusting the roll angle of the low-speed rotating forebody to alter aerodynamics, the establishment of an accurate aerodynamic model is crucial for in-depth studies of its ballistic characteristics and design. For this, by taking the effects of canard–body interference, fore/aft body reversal, and other factors into account, an accurate model of the body aerodynamics applicable to large angles of attack is presente

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Sobieczky, Helmut. "Research on Inverse Design and Optimization in Germany." Applied Mechanics Reviews 41, no. 6 (1988): 239–46. http://dx.doi.org/10.1115/1.3151895.

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This article tries to illustrate efforts to develop and apply design and optimization methods in German universities, research institutes and the aerospace industry. Applications are shown solely in turbomachinery and aircraft aerodynamics. With restriction to aerodynamic problems, it is shown that efforts to improve theoretical models to become knowledge-based computational tools overlap with operational methods based on the designer’s experience but resulting in hardware concepts for next generation aircraft components.

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Mahzan, Muhammad Iyas, and Sallehuddin Muhamad. "An Evolution of Hybrid Airship Vehicle (HAV) Envelope: Aerodynamics Analysis." Applied Mechanics and Materials 660 (October 2014): 498–502. http://dx.doi.org/10.4028/www.scientific.net/amm.660.498.

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HAV has a potential application as the new means to carry Ultra Heavy Payload cargo since it combines the buoyancy capabilities of Lighter-than-Air (LTA), and the aerodynamics of lifting body of Heavier-than-Air (HTA) for speed. Due to its potential, American Institute of Aeronautics and Astronautics (AIAA) has issued a Request for Proposal (RFP) regarding the Hybrid Airship Vehicle (HAV) as cargo transportation with several requirements. AIAA RFP required an envelope that can produce 60% of the lift from buoyancy and 40% of lift from aerodynamic. To satisfy the RFP requirements, this paper an

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Yin, F. F., J. J. Chen, X. K. Li, et al. "A blade element momentum model for dual-rotor wind turbines considering inter-rotor velocity interferences." Journal of Physics: Conference Series 2265, no. 4 (2022): 042058. http://dx.doi.org/10.1088/1742-6596/2265/4/042058.

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Abstract A blade element momentum model for predicting the aerodynamic performance of dual-rotor wind turbines (DRWTs) as an aerodynamic design tool is introduced in this paper. The model considers the inter-rotor axial velocity reduction and the tangential velocity components in the front rotor’s wake to model the inter-rotor velocity interferences for the inflow velocity as the input of the BEM theory. A DRWT with two NREL 5MW rotors is studied using the present model and CFD simulations. Results from the two methods show good agreements with each other in the trends of power, thrust, and ae

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