Results 21 to 30 of about 3,623,573 (274)
Quasi-3D Aerodynamic Analysis Method for Blended-Wing-Body UAV Configurations
Aerospace, 2021 The current study presents a low-fidelity, quasi-3D aerodynamic analysis method for Blended-Wing-Body (BWB) Unmanned Aerial Vehicle (UAV) configurations. A tactical BWB UAV experimental prototype is used as a reference platform.
Pericles Panagiotou +3 more
doaj +1 more source
Parameterized Modeling of Blended Wing Body Aircraft Based on Multi-Scale CST Method [PDF]
Hangkong bingqiIn the parameterized modeling of blended wing body aircraft, the commonly used CST method has weak local deformation control capability, while the Non-Uniform Rational B-Splines(NURBS)method has the problem of too many global parameters.
Wang Kangjun, Wang Wenkai, Zheng Xiaolin
doaj +1 more source
Study on Cruise Drag Characteristics of Low Drag Normal Layout Civil Aircraft
Xibei Gongye Daxue Xuebao, 2020 This paper focus on the wing shape related drag reduction measures of normal layout civil aircraft, through the drag reduction to improve the aircraft performance.
doaj +1 more source
Aerodynamic analysis of potential flow over blended-wing-body (BWB) aircraft [PDF]
مجله مدل سازی در مهندسی, 2017 In this investigation, a numerical method based on potential flow for aerodynamic analysis of BWB aircrafts has been developed. At first, results of this method are validated with experimental data and then, three current BWB planforms have been chosen ...
Mohammad Hasan Djavareshkian +1 more
doaj +1 more source
Design of the Blended-Wing-Body subsonic transport [PDF]
40th AIAA Aerospace Sciences Meeting & Exhibit, 2002 The Boeing Blended-Wing-Body (BWB) airplane concept represents a potential breakthrough in subsonic transport efficiency. Work began on this concept via a study to demonstrate feasibility and begin development of this new class of airplane. In this initial study, 800-passenger BWB and conventional configuration airplanes were sized and compared for a ...
openaire +1 more source
Analysis on energy consumption of blended-wing-body underwater glider
International Journal of Advanced Robotic Systems, 2020 As a new type of underwater observation platform, underwater glider is widely used in marine explorations and military surveys, and most gliders are powered by their own batteries whose capacities are limited.
Xiaoxu Du, Lianying Zhang
doaj +1 more source
Stability study and flight simulation of a blended-wing-body UAV [PDF]
MATEC Web of Conferences, 2019 This article is a product of the design process of a Blended-Wing- Body Unmanned Aerial Vehicle (BWB UAV). The BWB geometry blends the wing and the fuselage so that the fuselage also contributes in lift generation.
Dimopoulos Thomas +2 more
doaj +1 more source
An alternative approach to induced drag reduction
Aviation, 2021 Induced drag constitutes approximately 40% of the total drag of subsonic civil transport aircraft at cruise conditions. Various types of winglets and several non-planar concepts, such as the C-wing, the joined wings, and the box plane, have been proposed
Nikolaos Kehayas
doaj +1 more source
International Journal of Naval Architecture and Ocean Engineering, 2017 Blended-Wing-Body Underwater Glider (BWBUG), which has excellent hydrodynamic performance, is a new kind of underwater glider in recent years. In the shape optimization of BWBUG, the lift to drag ratio is often used as the optimization target.
Chunya Sun +3 more
doaj +1 more source
Zhongguo Jianchuan Yanjiu, 2021 ObjectivesThe cabin-skeleton coupling structure of a blended-wing-body underwater glider is optimized using a data-driven discrete optimization concept.MethodsFirst, a Kriging-assisted discrete global optimization algorithm (KDGO) is proposed for ...
Huachao DONG, Peng WANG, Yijin ZHANG
doaj +1 more source