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Turbulence Structure in a Boundary Layer

The Turbulence Structure of the Stable Atmospheric Boundary Layer Around a Coastal Headland: Aircraft Observations and Modelling Results

The Turbulence Structure of the Stable Atmospheric Boundary Layer Around a Coastal Headland: Aircraft Observations and Modelling Results

... the structure, in particular the shape of the wind ...the boundary layer has collapsed to a layer a little less than 100 m deep capped by an inversion several times this ...

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Interaction layer between a turbulent boundary layer and free-stream turbulence

Interaction layer between a turbulent boundary layer and free-stream turbulence

... Interaction layer between a turbulent boundary layer and free-stream turbulence ...turbulent boundary layer is investigated through particle image velocimetry ...action ...

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The Onset of Resolved Boundary-Layer Turbulence at Grey-Zone Resolutions

The Onset of Resolved Boundary-Layer Turbulence at Grey-Zone Resolutions

... CBL turbulence within the grey ...resolved turbulence can be encouraged to ...perturbation structure can affect certain fields, such as the initiation of deep convection (Stirling and Petch 2004 ...

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Langmuir turbulence and surface heating in the Ocean Surface Boundary Layer

Langmuir turbulence and surface heating in the Ocean Surface Boundary Layer

... equilibrium structure of the wave-driven OSBL following the appli- cation of surface heating to an initially neutral ...nonbreaking turbulence (Babanin ...the structure of the equilibrium OSBL is ...

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Ducting and Turbulence Effects on Radio-Wave Propagation in an Atmospheric Boundary Layer

Ducting and Turbulence Effects on Radio-Wave Propagation in an Atmospheric Boundary Layer

... In this work, the SSF algorithm is applied to simulate the wave propagation over a long horizontal range. Monte-Carlo simulations are used to generate profiles of refractive-index fluctuation in the atmosphere, and the ...

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Turbulence and macro turbulence in the bottom boundary layer
downstream of large scale bedforms; implications for sediment transport

Turbulence and macro turbulence in the bottom boundary layer downstream of large scale bedforms; implications for sediment transport

... located in a shallow coastal area with strong tidal currents and no major freshwater inputs. Such conditions are associated with high vertical mixing which do not allow sufficient stratification of the water column to ...

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On the boundary layer structure on suction side of an airfoil

On the boundary layer structure on suction side of an airfoil

... flow structure of the boundary layer is found to be pretty 2D as for statistical characteristics, the mean velocity field is free of stationary ...

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Structure function analysis and intermittency in the atmospheric boundary layer

Structure function analysis and intermittency in the atmospheric boundary layer

... Certainly, for orders higher than 6 we may already observe a considerable scattering for certain values of the tails, which we consider satisfactory because with meteorological field data we are far from controlled ...

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Electrical sensing of the dynamical structure of the planetary boundary layer

Electrical sensing of the dynamical structure of the planetary boundary layer

... radiation, turbulence, clouds and precipitation, convection, atmospheric electricity, chemical reactions and ...and boundary conditions were provided by the 6 hourly ECMWF ...the turbulence was ...

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Separated boundary layer transition under pressure gradient in the presence of free-stream turbulence

Separated boundary layer transition under pressure gradient in the presence of free-stream turbulence

... streaky structure travels downstream and gets stretched in streamwise direction with the leading edge of the streaky structure tilted upward slightly as shown in Figure 16B ...streaky structure ...

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Relationship analysis of PM2.5 and boundary layer height using an aerosol and turbulence detection lidar

Relationship analysis of PM2.5 and boundary layer height using an aerosol and turbulence detection lidar

... atmospheric boundary layer height (BLH) is a key parameter in weather forecasting and air quality pre- ...ary layer, residual layer and convective boundary layer are ...fine ...

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Airborne observations of turbulence and its influence on new particle formation in the atmospheric boundary layer

Airborne observations of turbulence and its influence on new particle formation in the atmospheric boundary layer

... entrainment layer and during convection as con- tributing factor for ...in structure parameter of temperature C T 2 and humidity C q 2 in the inversion layer, consequently the inversion layer ...

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Influence of grid aspect ratio on planetary boundary layer turbulence in large-eddy simulations

Influence of grid aspect ratio on planetary boundary layer turbulence in large-eddy simulations

... If we turn our attention to mesoscale phenomena, whose horizontal scales are O(10) − O(100) km, a more detailed expression of vertical structure is required. Since moist con- vection plays an important role in the ...

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Aeroelectric structures and turbulence in the atmospheric boundary layer

Aeroelectric structures and turbulence in the atmospheric boundary layer

... 4 Finnish Meteorological Institute, Erik Palmenin aukio 1, PL 503, 00101 Helsinki, Finland Correspondence to: M. V. Shatalina ([email protected]) Received: 31 May 2013 – Revised: 9 September 2013 – Accepted: 9 ...

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Turbulence-microphysics interactions in boundary layer clouds

Turbulence-microphysics interactions in boundary layer clouds

... - Prediction of in-cloud supersaturation and thus relating the concentration of activated cloud droplets to local value of the supersaturation; additional variable (concentration of [r] ...

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An Assessment of Atmospheric Boundary Layer Turbulence in Maiduguri, Nigeria

An Assessment of Atmospheric Boundary Layer Turbulence in Maiduguri, Nigeria

... mid layer (50 - 100 m) indicates laminar situation as a results of R ig values greater than ...turbulent layer. In the study area, turbulence due to forced and free convention was ...face ...

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Transition to Turbulence in a Separated Boundary Layer With Spanwise Perturbations

Transition to Turbulence in a Separated Boundary Layer With Spanwise Perturbations

... upper boundary to match a typical turbine adverse-pressure-gradient ...impermeable boundary conditions are applied at the wall and the spanwise direction is treated as ...convective boundary ...

9

Growth of boundary-layer streaks due to free-stream turbulence

Growth of boundary-layer streaks due to free-stream turbulence

... laminar boundary-layer streaks caused by free-stream turbulence encountering a flat plate in zero-pressure-gradient conditions is investigated experi- mentally in a wind tunnel and numerically by ...

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A global perspective on Langmuir turbulence in the ocean surface boundary layer.

A global perspective on Langmuir turbulence in the ocean surface boundary layer.

... Langmuir turbulence that deepens the OSBL more rapidly than steady wind ...forced turbulence is developed using re-analysis data to compute these parameters ...Langmuir turbulence could be important ...

9

On the turbulence amplification in shock-wave/turbulent boundary layer interaction

On the turbulence amplification in shock-wave/turbulent boundary layer interaction

... a boundary layer transition so that a fully developed turbulent boundary layer is established upstream of the interaction ...nominal boundary layer thickness at the inlet plane, ...

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