Results 41 to 50 of about 3,632,675 (127)

Integrated analysis of aerodynamic/stealth characteristics of blended-wing-body lifting vehicle

open access: yesMATEC Web of Conferences, 2017
In this paper, a blended-wing-body lifting vehicle is designed, with the cross section described by Class/Shape transformation method (CST), the outline controlled by an exponential function, and tail regulated by B-spline curve.
Tao Ye   +4 more
doaj   +1 more source

Aerodynamic Design and Exploration of a Blended Wing Body Aircraft at Subsonic Speed

open access: yesInternational Journal of Aviation, Aeronautics, and Aerospace, 2019
Blended Wing Body (BWB) is a novel aircraft concept which provides many different aerodynamic benefits over conventional aircrafts design. This research investigated the BWB design, L/D characteristics, surface pressure distribution and span-wise lift ...
Sam Dakka, Oliver Johnson
doaj   +1 more source

Flying Wings. A New Paradigm for Civil Aviation?

open access: yesActa Polytechnica, 2007
Over the last 50 years, commercial aviation has been mainly based what is currently called the conventional layout, characterized by a slender fuselage mated to a high aspect ratio wing, with aft-tail planes and pod-mounted engines under the wing ...
R. Martinez-Val
doaj  

Multi-Fidelity Design Optimization of a Long-Range Blended Wing Body Aircraft with New Airframe Technologies

open access: yesAerospace, 2020
The German Cluster of Excellence SE²A (Sustainable and Energy Efficient Aviation) is established in order to investigate the influence of game-changing technologies on the energy efficiency of future transport aircraft.
Stanislav Karpuk, Yaolong Liu, Ali Elham
doaj   +1 more source

Multi-Point Optimization Design of Blended Wing Body Based on Discrete Adjoint Method

open access: yesAerospace
In actual flight, aircraft rarely operate under a single design condition; multiple flight states must be considered to meet performance requirements.
Yuan Cui   +3 more
doaj   +1 more source

A Multi-Fidelity Approach for Aerodynamic Performance Computations of Formation Flight

open access: yesAerospace, 2018
This paper introduces a multi-fidelity computational framework for the analysis of aerodynamic performance of flight formation. The Vortex Lattice and Reynolds Averaged Navier–Stokes methods form the basis of the framework, as low- and high ...
Diwakar Singh   +6 more
doaj   +1 more source

Manufacturing Aspects of Creating Low-Curvature Panels for Prospective Civil Aircraft

open access: yesAerospace, 2019
For this study, structural and manufacturing schemes for low-curvature pressurized fuselage panels were proposed, making it possible to provide high weight efficiency for the airframes of prospective civil blended wing-body (BWB) aircraft.
Evgeny Dubovikov   +6 more
doaj   +1 more source

The Weight Minimization of a UAV Wing Component Through Structural Optimization

open access: yesEngineering Proceedings
This study focuses on the structural optimization of a composite wing element for an unmanned aerial vehicle. The finite element method is utilized for sizing, and analysis parameters are chosen to obtain accurate results with a minimum simulation time ...
Andreas Psarros, Georgios Savaidis
doaj   +1 more source

Blended wing body designs for aerodynamic, stability, and control optimization: A comprehensive review

open access: yesTransportation Engineering
Blended wing body (BWB) aircraft design represents a transformative innovation in aerospace engineering, seamlessly integrating aerodynamic, structural, and propulsion advancements to achieve unprecedented efficiency and sustainability.
Ussama Ali   +4 more
doaj   +1 more source

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