The Island Wake Parameter, eddy dynamics
Study of the atmospheric wake of Madeira Island
... a parameter quite hard to predict since it is strongly depending on small scale ...an eddy which passes the sounding location is responsible for the behavior of wind direction in the WRF ...the eddy ...
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Temporal Large Eddy Simulations of the Near Field of an Aircraft Wake
... ac ac z = × t u where u ac is the free-stream speed of the model. As the size of the measurement plane was too small to simulate the wake vortex dynamics in the near-field to extended near-field, ...
20
A modelling study of eddy-splitting by an island/seamount
... the eddy is some distance away from the island. The island leads to the eddy’s trajectory chang- ing and slows down the movement of the ...the eddy movement, eddies interact with ob- stacles ...
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Inhomogeneous dominance patterns of competing phytoplankton groups in the wake of an island
... It turns out that for our model the inhomogeneous nutrient input due to local upwelling and the hydrodynamic motion allow a separation of the phytoplankton groups into different regions of the flow. We study the ...
17
Detached Eddy Simulation of the UH-60 Rotor Wake Using Adaptive Mesh Refinement
... Fluid Dynamics (CFD) code with the CAMRAD II helicopter comprehensive ...Detached Eddy Simulation (DES) are used to obtain highly resolved vortex wakes, where the largest turbulent structures are ...rotor ...
17
Large-eddy simulation of shallow turbulent wakes behind a conical island
... For a submerged cuboid, the aspect ratio governs the degree of interaction between the horseshoe vortex and the wake region. For smaller aspect ratio objects, such as a cube where h D < 6, the flow is dominated ...
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Large-eddy simulations of surface roughness parameter sensitivity to canopy-structure characteristics
... and dynamics. In this study, we use large-eddy simulations to ex- plore, in silico, the effects of canopy-structure characteris- tics on surface roughness ...and eddy-penetration depth and gap ...
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Influences of observation errors in eddy flux data on inverse model parameter estimation
... The parameter uncertainty slightly increases when a system- atic error is added, but the true parameter is not within the uncertainty range of the ...affect parameter estimation in a sim- ilar way as ...
14
Near-wake analysis of actuator line method immersed in turbulent flow using large-eddy simulations
... Fluid Dynamics (CFD) framework for wind en- ergy, EllipSys3D, and then verified against the experimental results from the Model Experiment in Controlled Conditions (MEXICO) and New Model Experiment in Controlled ...
13
Simulating the aerodynamic performance and wake dynamics of a vertical-axis wind turbine
... the two-dimensional aerodynamics of an aerofoil while in a planar, cyclic motion designed to emulate that of the blades of a vertical-axis wind turbine, whilst detached-eddy simulations of a similar aerofoil ...
30
Validation study of large-eddy simulations of wake stabilized reacting flows using artificial flame thickening approaches
... the wake of a bluff- body, behind a sudden expansion or downstream a swirler, are often used to anchor the flame and to expand the stability ...combustion dynamics and flame stability, as well as to assess ...
15
Influence of intense scavenging on Pa-Th fractionation in the wake of Kerguelen Island (Southern Ocean)
... Using parameter such as F Th/Pa , K Th or K Pa to establish a link between the particulate matter composition and its ef- fect on Pa and Th fractionation, we implicitly assume that Pa and Th have reached a ...
15
Large eddy simulations of wake-stabilised flares
... This paper investigates the potential benefits, as well as limitations, of using the LES technique to predict the combustion efficiency, emissions and temperatures of wake- stabilised flares. LES calculations have ...
54
Cross-Border Trade On The Island Of Ireland In The Wake Of Brexit
... Customs Partnership and Trade Agreement The most important of the UK’s proposed solutions is a new customs partnership and potential free trade agreement with the EU after removal from the single market and customs ...
10
Large-Eddy Simulation of Wake Vortex Evolution from Roll-Up to Decay
... of Wake Vortex Evolution from Roll-Up to Decay Takashi Misaka, Frank Holzäpfel, Thomas Gerz Institute of Atmospheric Physics The development of an aircraft wake vortex from the roll-up until vortex decay is ...
11
Wake dynamics and rotor-fuselage aerodynamic interactions
... individual wake vortices, especially in the region x/ l = ...individual wake vortices over the rear of the fuselage is visible in ...and wake impingement on the pressure on the fuselage, even though ...
19
Experiments on the Upstream Wake in Magneto Fluid Dynamics
... L+fepmann for suggee'ci~~g ?:Ma psa'alem and for Izio Ez2any helpful suggestioras carad a~ncouragements during its solution... i-%owever the sxperirnents ~ihoweu that [r] ...
53
Submesoscale Eddy Structures and Frontal Dynamics in the Barents Sea
... the eddy structures and the frontal dynamics is also quantitatively ...the eddy activity peak falls on ...synoptic dynamics of the frontal zones and the associated frontal boundaries ...
9
Bluff-body wake encounter and tandem wing-tail wake dynamics in forced harmonic pitch
... the wake largely passes over the HTP, but its vertical extent is adequately large, hinting some levels of interac- tion, which would be even greater at lower ...the wake profile and momentum deficit, as ...
206
Optical Characterization of an Eddy-induced Diatom Bloom West of the Island of Hawaii
... The biogeochemical characteristics at Opal’s center are re- markably different from the typical open ocean conditions observed outside the eddy. In particular, the shift in the eco- logical community from small to ...
12