Results 11 to 20 of about 5,231 (285)

Computational Investigation of a Boundary-Layer-Ingestion Propulsion System [PDF]

open access: yesJournal of Aircraft, 2018
The present paper examines potential propulsive and aerodynamic benefits of integrating a Boundary-Layer Ingestion (BLI) propulsion system into the Common Research Model (CRM) geometry and the NASA Tetrahedral Unstructured Software System (TetrUSS).
Richard L Campbell, Sven Schmitz
exaly   +4 more sources

Parameter Sensitivity Study on Inflow Distortion of Boundary Layer Ingested Turbofans [PDF]

open access: yesAerospace, 2022
The inflow distortion to the fan introduced by the ingestion of the fuselage boundary layer is the most critical challenge in realizing the benefits of boundary later ingesting (BLI) concepts.
Xin Zhao   +3 more
doaj   +2 more sources

Fundamental Concepts of Boundary-Layer Ingestion Propulsion

open access: yesJournal of Aircraft
This work further develops energy-based far-field methods by introducing Galilean covariance in work–energy relationships of flight. The novelty lies in how decomposition formulations are rederived from integral forms of the governing laws applicable to moving control volumes.
Ioannis Lamprakis   +2 more
openaire   +3 more sources

Conceptual Design of Layered Distributed Propulsion System to Improve Power-Saving Benefit of Boundary-Layer Ingestion

open access: yesAerospace
DPS (distributed propulsion system) utilizing BLI (boundary-layer ingestion) has shown great potential for reducing the power consumption of sustainable AAM (advanced air mobility), such as BWB (blended-wing body) aircraft.
Zhiping Li, Yujiang Lu, Tianyu Pan
doaj   +2 more sources

Boundary Layer Ingestion : EN KONCEPTSTUDIE

open access: yes, 2015
Jordens befolkning står inför en global katastrof om inte mängden växthusgaser iatmosfären reduceras till hållbara nivåer. I en alltmer globaliserad värld bidrarflygplansindustrin till en allt större andel utsläpp som endast kommer att öka ominga drastiska åtgärder vidtas.
Böhme, Vilhelm
openaire   +2 more sources

Aerodynamics of Boundary Layer Ingesting Fuselage Fans [PDF]

open access: yesJournal of Turbomachinery, 2021
Abstract Boundary layer ingestion (BLI) potentially offers significant reductions in fuel burn and pollutant emissions. The propulsive fuselage concept features a fan at the back of the airframe that ingests the 360 deg fuselage boundary layer. Consequently, the distortion at the fan face during cruise is close to radial.
Castillo Pardo, Alejandro, Hall, Cesare
openaire   +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

Aeroacoustics Assessment of an Hybrid Aircraft Configuration with Rear-Mounted Boundary Layer Ingested Engine

open access: yesApplied Sciences, 2021
Hybrid electric propulsion is a promising solution to reduce aircraft emissions, thus improving the sustainability of the air transport. In this work, a hybrid aircraft configuration with a rear-mounted boundary layer ingestion (BLI) engine has been ...
Francesco Petrosino   +2 more
doaj   +1 more source

Boundary-Layer-Ingesting Inlet Flow Control [PDF]

open access: yes44th AIAA Aerospace Sciences Meeting and Exhibit, 2006
An experimental study was conducted to provide the first demonstration of an active flow control system for a flush-mounted inlet with significant boundary-layer ingestion in transonic flow conditions. The effectiveness of the flow control in reducing the circumferential distortion at the engine fan-face location was assessed using a 2.5% -scale model ...
Lewis R. Owens   +2 more
openaire   +3 more sources

Development of a Multi-Segment Parallel Compressor Model for a Boundary Layer Ingesting Fuselage Fan Stage

open access: yesEnergies, 2021
The present methodological study aims to assess boundary layer ingestion (BLI) as a promising method to improve propulsion efficiency. BLI utilizes the low momentum inflow of the wing or fuselage boundary layer for thrust generation in order to minimize ...
Jonas Voigt, Jens Friedrichs
doaj   +1 more source

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