Results 51 to 60 of about 284,390 (182)
Large-Eddy Simulation of Wake Vortex Evolution from Roll-Up to Decay [PDF]
, 2012 The development of an aircraft wake vortex from the roll-up until vortex decay is studied. An aircraft model and the surrounding flow field obtained from high-fidelity Reynolds-averaged Navier-Stokes simulation are swept through a ground-fixed ...
Misaka, Takashi +2 more
core
Some effects of domain size and boundary conditions on the accuracy of airfoil simulations
Advances in AerodynamicsThis paper investigates a specific case of one of the most popular fluid dynamic simulations, the incompressible flow around an airfoil (NACA 0012 here) at a high Reynolds number ( $$6 \times 10^6$$ 6 × 10 6 ).
Narges Golmirzaee, David H. Wood
doaj +1 more source
Study on velocity distribution of large particle in vertical slurry pipeline
Measurement + Control, 2019 Velocity distribution of vertical pipes with large particle slurry plays an important role in pipeline transportation of minerals in hydraulic coal mining and ocean mining industry.
Zhao Li-an, Wang Tieli, Han Wenqiang
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Drag Reduction Using Passive Methods on KIA PRIDE Car Model
Journal of Engineering, 2020 An experimental study on a KIA pride (SAIPA 131) car model with scale of 1:14 in the wind tunnel was made beside the real car tests. Some of the modifications to passive flow control which are (vortex generator, spoiler and slice diffuser) were added to ...
Zahraa Mahdi Saleh +2 more
doaj +1 more source
Research on the directional characteristics of wind noise emitted by bionic rods
AIP Advances, 2023 In this paper, the directional characteristics of wind noise emitted by different bionic rods were studied based on a hybrid computational aeroacoustics method. The noise reduction mechanism of surface grooves, pits, and bumps was analyzed, respectively.
Zhe Zhang +6 more
doaj +1 more source
Robustness and Limits of Vortex Generator Effectiveness in Helicopter Drag Reduction
Journal of the American Helicopter Society, 2016 The effect of vortex generators on helicopter drag was investigated in a wind tunnel test. An array of counterrotating vortex generators was mounted on the rear ramp of a heavy-class helicopter model, slightly downstream of the fuselage upsweep. The wind tunnel campaign also included tests with a radome positioned upstream of the vortex generators to ...
ZANOTTI, ALEX +4 more
openaire +2 more sources
Engineering Applications of Computational Fluid MechanicsTo overcome the technical bottleneck in aircraft design where aerodynamic and propulsion systems are treated separately, an integrated actuator disk model (ADM) simulation platform based on blade element momentum theory (BEMT) was developed, enabling ...
Xiaolu Wang +4 more
doaj +1 more source
Rotor: Jurnal Ilmiah Teknik Mesin, 2017 The 2D numerical simulation of an underwater acoustic system undergoing VIV (Vortex Induced Vibration) which is in position parallel to 5 m distance with variation of hydrophone cable position.
Maria Margareta Zau Beu +1 more
doaj +1 more source
Improvement of a low-order panel method by far-field computation of induced drag for arbitrary non-planar wing configurations [PDF]
, 2013 La tesi è un arricchimento del progetto in sviluppo alla Technische Universitaet Dresde per lo studio di ali non planari; qui lo scopo sta nell'individuazione della reale forma della scia e successiva integrazione nel piano di Trefftz per poter ottenere ...
Basso, Diego
core
Control of shock-induced boundary layer separation at supersonic speeds [PDF]
, 2007 PhDThe results of a systematic experimental investigation into the effects that Sub- Boundary Layer Vortex Generators (SBVGs) have on reducing normal shock-induced turbulent boundary layer separation are presented.
Cohen, Giel S.
core +3 more sources