Zobrazeno 1 - 10
of 1 655
pro vyhledávání: '"Aerodynamic design"'
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 18, Iss 1, Pp 191-204 (2024)
In this paper, an aerodynamic design method for a contra-rotating open rotor based on lifting line theory is presented. By changing the number of blades, the solidity and camber angle are changed, and several different aerodynamic designs are complet
Externí odkaz:
https://doaj.org/article/8906fc4141ce4a2dbe13ed330d472b82
Publikováno v:
Complex & Intelligent Systems, Vol 11, Iss 1, Pp 1-18 (2024)
Abstract The interaction between the shock wave and boundary layer of transonic wings can trigger periodic self-excited oscillations, resulting in transonic buffet. Buffet severely restricts the flight envelope of civil aircraft and is directly relat
Externí odkaz:
https://doaj.org/article/06c26574fa6c439da55f859fd01c7207
Autor:
O. E. Lukyanov, V. H. Hoang, V. A. Komarov, D. V. Nazarov, E. I. Kurkin, J. G. Quijada Pioquinto, V. O. Chertykovtseva
Publikováno v:
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, Vol 23, Iss 1, Pp 38-54 (2024)
The paper describes possibilities of increasing the energy efficiency and reducing the takeoff weight of unmanned medium-heavy vertical takeoff and landing aerial vehicles of the airplane type. The authors propose a new hybrid type of unmanned aerial
Externí odkaz:
https://doaj.org/article/f0c68975b0654d23bb52be9ca9285f85
Publikováno v:
Aerospace, Vol 11, Iss 11, p 906 (2024)
An improved multi-objective design optimization framework is proposed for the efficient design of proprotor blades tailored to specific high-altitude mission requirements. This framework builds upon existing methods by leveraging a reformulated Vorte
Externí odkaz:
https://doaj.org/article/4ea5647ade814378b42b4dab9a2d7496
Publikováno v:
Heliyon, Vol 10, Iss 8, Pp e29377- (2024)
In recent times, machine learning algorithms have gained significant traction in addressing aerodynamic challenges. These algorithms prove invaluable for predicting the aerodynamic performance, specifically the Lift-to-Drag ratio of airfoil datasets,
Externí odkaz:
https://doaj.org/article/df6c5136ad384ce2aa25f35102e560cf
Autor:
Figat, Marcin
Publikováno v:
Aircraft Engineering and Aerospace Technology, 2022, Vol. 95, Issue 1, pp. 155-169.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/AEAT-12-2021-0372
Autor:
Chenyu Wu, Yufei Zhang
Publikováno v:
Aerospace, Vol 11, Iss 7, p 525 (2024)
Flow topology optimization (TopOpt) based on Darcy’s source term is widely used in the field of TopOpt. It has a high degree of freedom, making it suitable for conceptual aerodynamic design. Two problems of TopOpt are addressed in this paper to app
Externí odkaz:
https://doaj.org/article/ef328db9e59646a18c7b91358440c9ca
Publikováno v:
Aerospace, Vol 11, Iss 6, p 463 (2024)
To enhance the performance of rigid coaxial rotors across both hovering and high-speed cruising conditions, this study develops a novel aerodynamic optimization method that differentiates between the upper and lower rotors. Utilizing the lifting line
Externí odkaz:
https://doaj.org/article/e72175893a064e3b821300be9d9a7c43
Publikováno v:
Applied Sciences, Vol 14, Iss 12, p 5326 (2024)
The aft-body mounted inlet of a hypersonic vehicle has garnered attention for its potential to shorten the propulsion system. This study aims to explore the influence of compression direction on the performance of the hypersonic inlet attached to the
Externí odkaz:
https://doaj.org/article/de9afa0f66934d20afd52e57c15f5349
Publikováno v:
Drones, Vol 8, Iss 6, p 217 (2024)
The development of unmanned aerial vehicles (UAVs) has attracted much attention in the global community and aviation industry. As UAVs have the potential to be applied for multiple missions, the level of research into improving their design and fligh
Externí odkaz:
https://doaj.org/article/052385dc1ca24ba39dbbf46f4102039a