Results 41 to 50 of about 5,231 (285)
Smart CitiesComparative, experimentally grounded evidence for selecting smart city IoT data-layer architectures remains limited, complicating practical design decisions. This study provides an applied architecture decision-making guide by evaluating seven serverless
Victor Ariel Leal Sobral +1 more
doaj +1 more source
Sweep Optimization to Reduce Aerodynamic Loss in a Transonic Axial Compressor with Upstream Boundary Layer Ingestion [PDF]
Journal of Applied Fluid MechanicsThe aerodynamic performance of axial compressor rotors is negatively affected by the ingestion of boundary layer fluids upstream. As the boundary layer becomes thicker, the blade tip load increases and the local loss is aggravated, especially under off ...
T. Pan, K. Shi, H. Lu, J. Zhang, Q. Li
doaj +1 more source
Experimental and Computational Analysis of Model–Support Interference in Low-Speed Wind-Tunnel Testing of Fuselage-Boundary-Layer Ingestion [PDF]
MATEC Web of Conferences, 2019 Junction flow caused by the aerodynamic interaction between a wind-tunnel model and the support structure can largely influence the flowfield and hence the experimental results.
Della Corte Biagio +3 more
doaj +1 more source
Harmonic Forcing from Distortion in a Boundary Layer Ingesting Fan
Aerospace, 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
Propeller Influence on Surface Pressure Fluctuation Under Boundary Layer Ingestion Condition
, 2023 Research on propeller noise under boundary layer ingestion condition is essential for designing new aircraft concepts. Measurements of pressure spectra on a flat plate below a propeller give important information about the noise coming from the blades ...
Venner, Cornelis H. +1 more
core +1 more source
Toward more electric powertrains in aircraft: Technical challenges and advancements
CES Transactions on Electrical Machines and Systems, 2021 The main purpose of this article is to provide an instructive review of the technological challenges hindering the road toward more electric powertrains in aircraft.
Joseph Benzaquen +2 more
doaj +1 more source
Xibei 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
Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system
FEBS Letters, EarlyView.Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley +1 more source
Turboelectric Distributed Propulsion System Modelling [PDF]
, 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
Approach to Modeling Boundary Layer Ingestion Using a Fully Coupled Propulsion-RANS Model
, 2017 Airframe-propulsion integration concepts that use boundary layer ingestion have the potential to reduce aircraft fuel burn. One concept that has been recently explored is NASA's Starc-ABL aircraft configuration, which offers the potential for 12% mission
Gray, Justin S. +10 more
core +1 more source