Results 61 to 70 of about 130,331 (289)
Advanced propeller aerodynamic analysis [PDF]
, 1980 The analytical approaches as well as the capabilities of three advanced analyses for predicting propeller aerodynamic performance are presented. It is shown that two of these analyses use a lifting line representation for the propeller blades, and the ...
Bober, L. J.
core +1 more source
Mesoporous Silica Nanoparticles in Biomedicine: Advances and Prospects
Advanced Materials, EarlyView.Mesoporous silica nanoparticles offer unique properties like high surface area, tunable pores, and functionalization. They excel in drug delivery, tissue engineering, and stimuli‐responsive therapies, enabling targeted and controlled treatments. With roles in cancer therapy and diagnostics, their clinical translation requires addressing challenges in ...
Miguel Manzano, María Vallet‐Regí
wiley +1 more source
Quadcopter thrust optimization with ducted-propeller
MATEC Web of Conferences, 2017 In relation to quadcopter body frame model, propeller can be categorized into propeller with ducted and without ducted. This study present differences between those two using CFD (Computational Fluid Dynamics) method.
Kuantama Endrowednes, Tarca Radu
doaj +1 more source
Speedboat Propeller Injuries [PDF]
BMJ, 1974 Six patients are reported who were severely injured by high-speed boat propellers. With reasonable precautions such accidents need never occur, and people should be more aware of these and ensure that safety measures are enforced.
openaire +2 more sources
Advanced Materials, EarlyView.2D α‐Co(OH)2 interleaved with Mo species displays an appealing dual functionality for the production and use of green hydrogen.Mo incorporation greatly benefits the electrochemical behaviour in Oxygen Evolution Reaction for H2 production, while the magnetocaloric response at liquid H2 temperature paves the way for alternative cryogenic refrigerants ...
Daniel Muñoz‐Gil +14 more
wiley +1 more source
Надежность и качество сложных систем, 2022 Background. The rapid development and widespread use of various unmanned aerial vehicles requires the introduction of their typification and certification.
D.S. Ergaliev +4 more
doaj +1 more source
Flow-field Survey of an Empennage Wake Interacting with a Pusher Propeller [PDF]
The flow field between a model empennage and a 591-mm-diameter pusher propeller was studied in the Ames 7- by 10-Foot Wind Tunnel with directional pressure probes and hot-wire anemometers.
Horne, W. Clifton, Soderman, Paul T.
core +1 more source
Radiation‐Resistant Aluminum Alloy for Space Missions in the Extreme Environment of the Solar System
Advanced Materials, EarlyView.A novel ultrafine‐grained aluminum crossover alloy exhibits unprecedented radiation resistance and mechanical stability under extreme irradiation doses up to 100 dpa. The exceptional resilience arises from thermodynamically stable T‐phase precipitates, enabling lightweight structural materials for next‐generation spacecraft and extraterrestrial ...
Patrick D. Willenshofer +9 more
wiley +1 more source
Influence of film thickness on cavitation erosion of coating film
Nihon Kikai Gakkai ronbunshu, 2018 The influences of film thickness of vinyl and silicone resin coatings on cavitation erosion were examined quantitatively in seawater using a vibratory apparatus.
Hiromi MOCHIZUKI +4 more
doaj +1 more source
An analysis for high speed propeller-nacelle aerodynamic performance prediction. Volume 1: Theory and application [PDF]
A computer program, the Propeller Nacelle Aerodynamic Performance Prediction Analysis (PANPER), was developed for the prediction and analysis of the performance and airflow of propeller-nacelle configurations operating over a forward speed range ...
Anderson, Olof L. +3 more
core +1 more source