Results 1 to 10 of about 9,547 (313)

Experimental study of canard UAV aerodynamics [PDF]

open access: yesMATEC Web of Conferences, 2017
The present paper presents the aerodynamic characteristics of a canard fixed-wing unmanned aircraft TERES-02. A wind tunnel experiment is conducted using a specially designed model of the aircraft.
Panayotov Hristian   +2 more
doaj   +2 more sources

Experimental Study on the Effect of Tabs with Asymmetric Projections on the Mixing Characteristics of Subsonic Jets [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2023
This study experimentally explores the effect of tabs with asymmetric projections on the mixing effectiveness of jets at different nozzle exit Mach numbers with subsonic ranges of 0.4, 0.6, and 0.8.
S. B. Jabez Richards   +2 more
doaj   +1 more source

Computational Study of Aerodynamic Effects of the Dihedral and Angle of Attack of Biomimetic Grids Installed on a Mini UAV

open access: yesBiomimetics, 2023
In this paper, a numerical analysis of a biomimetic unmanned aerial vehicle (UAV) is presented. Its wings feature three grids at the tip similar to the primary feathers of birds in order to modify the lift distribution over the wing and help in reducing ...
Rafael Bardera   +3 more
doaj   +1 more source

Large-scale flow field and aerosol particle transport investigations in a classroom using 2D-Shake-The-Box Lagrangian Particle Tracking

open access: yesHeliyon, 2023
Infections with COVID-19 in enclosed public spaces, where virus-laden aerosol particles can accumulate over time, have significantly contributed to the rapid spread of the virus.
Tom Buchwald   +5 more
doaj   +1 more source

Convergence of transonic wind tunnel test results of the AGARD-B standard model [PDF]

open access: yesFME Transactions, 2020
AGARD-B is a widely-used configuration of a standard wind tunnel model. Beside its originally intended application for correlation of data from supersonic wind tunnel facilities, it was tested in a wide range of Mach numbers and, more recently, used for ...
Damljanović Dijana   +3 more
doaj  

Variable Pitch Propeller for UAV-Experimental Tests

open access: yesEnergies, 2020
Growth in application fields of unmanned aerial vehicles (UAVs) and an increase in their total number are followed by higher and higher expectations imposed on improvements in UAV propulsion and energy management systems. Most commercial vertical takeoff
Maciej Podsędkowski   +3 more
doaj   +1 more source

Experimental Investigation of the Cooperation of Wind Turbines

open access: yesEnergies, 2022
The article discusses the wind tunnel experimental investigation of two turbines (the downstream unit placed fully in the wake of the upstream one) at various turbulence intensity levels and wind turbine separation distances, at a Reynolds number of ...
Piotr Wiklak   +3 more
doaj   +1 more source

EXPERIMENTAL VALIDATION OF TILT-ROTOR AERODYNAMIC PREDICTIONS [PDF]

open access: yes, 2014
A comparison of experimental data with several numerical predictions of the aerodynamic loads on the ERICA model is presented. The calculations are carried out by several Partners of the NICETRIP consortium, with different codes, turbulence models and grids, with the objective of validating the predictive capability of the CFD tools.
J. Decours   +5 more
openaire   +4 more sources

Experimental Assessment of Aero-Propulsive Effects on a Large Turboprop Aircraft with Rear-Engine Installation

open access: yesAerospace, 2023
This paper deals with the estimation of propulsive effects for a three-lifting surface turboprop aircraft concept, with rear engine installation at the horizontal tail tips, conceived to carry up to 130 passengers.
Salvatore Corcione   +3 more
doaj   +1 more source

INFLUENCE OF LIMITING WALLS ON SHOCK WAVE STRUCTURE IN SINGLE PASSAGE TEST SECTION WITH COMPRESSOR PROFILE

open access: yesTASK Quarterly, 2015
The shock wave boundary layer interaction on the suction side of a transonic compressor blade is one of the main objectives of the TFAST project (Transition Location Effect on Shock Wave Boundary Layer Interaction).
MICHAŁ PIOTROWICZ   +2 more
doaj   +1 more source

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