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

Sam Dakka et al · Embry-Riddle Aeronautical University · 2019

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Author / responsible party
Sam Dakka et al
Publisher
Embry-Riddle Aeronautical University
Year
2019
ISSN
2374-6793
ISSN
2374-6793
Language
English
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3D Printing Technology in Aerospace Industry – A Review

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<p>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 distribution of a BWB aircraft at low to medium subsonic speeds. A BWB model was designed, manufactured and tested in a subsonic wind tunnel to validate the CFD simulation. The results gained from the investigation proved that BWB has a L/D improvement of 9.4% than conventional aircrafts and 21% increase at medium subsonic speeds (Mach 0.6) compared to lower subsonic speeds of 25 m/sec. It was found that the lift minimally increases between the two speeds; however the improvement is generated due to drag reduction. The drag reduction is accomplished due to boundary layer attachment for a longer period of time before separation occurs. It is this difference which generates the lift to drag ratio improvement.</p>

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APA 7

al, S. D. E. (2019). Aerodynamic Design and Exploration of a Blended Wing Body Aircraft at Subsonic Speed. https://doi.org/10.15394/ijaaa.2019.1411

MLA

al, Sam Dakka et. "Aerodynamic Design and Exploration of a Blended Wing Body Aircraft at Subsonic Speed." 2019. https://doi.org/10.15394/ijaaa.2019.1411.

Chicago

al, Sam Dakka et. 2019. "Aerodynamic Design and Exploration of a Blended Wing Body Aircraft at Subsonic Speed.". https://doi.org/10.15394/ijaaa.2019.1411.

Harvard

al, S. D. E. 2019, Aerodynamic Design and Exploration of a Blended Wing Body Aircraft at Subsonic Speed, Embry-Riddle Aeronautical University, available at: https://doi.org/10.15394/ijaaa.2019.1411 [Accessed 8 Aug. 2026].

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Title
Aerodynamic Design and Exploration of a Blended Wing Body Aircraft at Subsonic Speed
Author / contributors
Sam Dakka et al
Publisher
Embry-Riddle Aeronautical University
Publication year
2019
ISSN
2374-6793
ISSN
2374-6793
Language
English

Subjects

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Aeronautical Vehicles; Aerodynamics and Fluid Mechanics
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