Results 11 to 20 of about 2,748,488 (225)

Turboelectric Distributed Propulsion System Modelling [PDF]

open access: yes, 2013
The Blended-Wing-Body is a conceptual aircraft design with rear-mounted, over wing engines. Turboelectric distributed propulsion system with boundary layer ingestion has been considered for this aircraft.
Liu, Chengyuan
core   +7 more sources

Techno-economic and environmental risk assessment of a turbo-electric distributed propulsion system on a blended wing body aircraft [PDF]

open access: yes, 2014
Constant rise of air traffic has caused the environmental impacts of aviation to be the subject of an unprecedented scrutiny. Organisations all over the world are setting targets for emission reductions that represent the technological potential for ...
Giakoumakis, Eleftherios
core   +7 more sources

Numerical Investigation on the Effect of Height-to-Radius Ratio on Flow Separation Features in S-Shaped Diffuser with Boundary Layer Ingestion

open access: yesAerospace, 2023
The flow separation occurring in the S-shaped diffuser with boundary layer ingestion (BLI) has a significant effect on the performance of the embedded engine. Previous studies have found that the area ratio (AR) as well as the length-to-offset ratio (LOR)
Zhiping Li   +3 more
doaj   +1 more source

Energy-Based Aerodynamic Analysis on the Blended-Wing-Body Aircraft with Boundary Layer Ingestion

open access: yesInternational Journal of Aerospace Engineering, 2022
This study is aimed at evaluating the energy saving benefit and its limitation of the boundary layer ingestion (BLI) applied to a transonic blended-wing-body (BWB) aircraft.
Wenyuan Zhao, Yanlai Zhang, Jianghao Wu
doaj   +1 more source

Influences of distributed propulsion system parameters on aerodynamic characteristics of a BLI-BWB UAV

open access: yesXibei Gongye Daxue Xuebao, 2021
Focusing on the aerodynamic characteristics of the blended wing body (BWB) aircraft with boundary layer ingestion(BLI) distributed propulsion system; the influences of propulsion system parameters under the condition of cruise and takeoff are studied ...

doaj   +1 more source

Potential Propulsive and Aerodynamic Benefits of a New Aircraft Concept: A Low-Speed Experimental Study

open access: yesAerospace, 2023
The aerodynamic design of a new aircraft concept was investigated through subsonic wind-tunnel testing using 1:28-scale powered models. The aircraft configuration integrates a box-wing layout with engines located at the rear part of the fuselage ...
Pedro D. Bravo-Mosquera   +2 more
doaj   +1 more source

Proof of Concept Study for Fuselage Boundary Layer Ingesting Propulsion

open access: yesAerospace, 2021
Key results from the EU H2020 project CENTRELINE are presented. The research activities undertaken to demonstrate the proof of concept (technology readiness level—TRL 3) for the so-called propulsive fuselage concept (PFC) for fuselage wake-filling ...
Arne Seitz   +12 more
doaj   +1 more source

Towards More Efficient Electric Propulsion UAV Systems Using Boundary Layer Ingestion

open access: yesDrones, 2023
The implementation of distributed propulsion and boundary layer ingestion for unmanned aerial vehicles represents various challenges for the design of embedded ducts in blended wing body configurations.
Jonathan Arias   +3 more
doaj   +1 more source

Harmonic Forcing from Distortion in a Boundary Layer Ingesting Fan

open access: yesAerospace, 2021
Integrating a fan with a boundary layer ingestion (BLI) configuration into an aircraft fuselage can improve propulsion efficiency by utilizing the lower momentum airflow in the boundary layer developed due to the surface drag of the fuselage.
Hans Mårtensson
doaj   +1 more source

Analysis of Model Results for the Turning of the Wind and Related Momentum Fluxes in the Stable Boundary Layer [PDF]

open access: yes, 2009
The turning of wind with height and the related cross-isobaric (ageostrophic) flow in the thermally stable stratified boundary layer is analysed from a variety of model results acquired in the first Global Energy and Water Cycle Experiment (GEWEX ...
Svensson, G.   +3 more
core   +1 more source

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