Boundary layer
Top PDF Boundary layer:
Efecto del oleaje en la capa límite superficial del océanoEffect of waves in the upper ocean boundary layer
... on boundary layer processes, we analyzed data only when the bottom of the surface boundary layer [defined as the depth at which the temperature difference from the shallowest MicroCAT exceeded ...
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Nonlinear description of transversal motion in a laminar boundary layer with streaks
... The nonlinear streamwise growth of a spanwise periodic array of steady streaks in a flat plate boundary layer is numerically computed using the well known Reduced Navier- Stokes formulation. It is found ...
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CASES-99: a comprehensive investigation of the stable nocturnal boundary layer
... nocturnal boundary layer and surface layer to assess the depar- tures from similarity theory under otherwise dynami- cally stable conditions; 3) to define the relative impor- tance of surface ...
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Linear instability of orthogonal compressible leading-edge boundary layer flow
... From a physical point of view, instability of the flow near the leading edge of swept wings has a great engineering significance. This kind of instability promotes the growth of disturbances which will be convected ...
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Active and passive remote sensing for monitoring the planetary boundary layer height
... planetary boundary layer (PBL) is the lowest part of the atmosphere directly influenced by its contact with the land surface and it usually responds to changes in surface forcing in a time scale of an hour ...
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Boundary layer expansions for initial value problems with two complex time variables
... of boundary layer solutions of equations, we distinguish the inner solutions (see ...constructs boundary layer expansions for certain initial value problem with merging turning points, ...
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Laminar-turbulent transition induced by a discrete roughness element in a supersonic boundary layer
... wall boundary layer, can sustain both sinuous (anti-symmetric) and varicose (symmetric) instabilities, the former being more ...single boundary layer streak, showing that under certain ...
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Evening transitions of the atmospheric boundary layer: characterization, case studies and WRF simulations
... The Planetary Boundary Layer (PBL) goes through di ff erent dynamical and thermal situations throughout a single day. Knowing how these changes are reached will be helpful to improve our understanding on ...
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A Synthesis Approach for Reproducing the Response of Aircraft Panels to Turbulent Boundary Layer Excitations
... Turbulent-Boundary Layer (TBL) are a feature of the air flow over an aircraft fuselage under cruise conditions, creating undesirable effects such as cabin noise ...
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Stably stratified atmospheric boundary layer: study trough large eddy simulations, mesoscale modelling and observations
... Convective Boundary Layer (CBL), since the main processes that take place in both regimes are largely ...other boundary layer regimes, the ergodic theorem is not fulfilled, because the field ...
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Surf zone boundary layer and 2D large scale hydrodynamics /
... bottom boundary layer using a k − model which includes advection terms, showing the influence of the relative water depth and rel- ative bed roughness on the streaming velocity and the shear ...The ...
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Modelling of atmospheric boundary layer: Generation of shear.
... Some authors have also paid attention to the limits related to the geometrical roughness height, h, for instance Jimenez (2004) remarks that the ratio of the total boundary layer height, , to the ...
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Computation of nonlinear streaky structures in boundary layer flow
... three-dimensional boundary layer that also presents a short characteristic space scale in the spanwise ...plate boundary layer in the absence of any free stream ...the boundary ...
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Tranversal motion and flow structure of fully nonlinear streaks in a laminar boundary layer
... laminar boundary layer JUAN ANGEL MARTIN, CARLOS MARTEL, Uni- versidad Politecnica de Madrid, DENLIA TEAM — Typical streak computations present in the literature correspond to linear streaks or to small ...
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Application of a GOY model to atmospheric boundary layer data
... Atmospheric Boundary Layer Experi- ment in Spain) field campaign, which took place in Septem- ber 1998 at the Research Centre for the Lower Atmosphere (CIBA, 41 ◦ 49 0 N, 4 ◦ 56 0 W, 840 m ...
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A stability analysis of the compressible boundary layer flow over indented surfaces
... ulation. They succeed in identifying an acoustic feedback mechanism between standing waves at the gap and the boundary layer, and derived a model that suc- cessfully accounts for amplification factor ...
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Effect of the surface thermal heterogeneities on the Atmospheric Boundary Layer
... a boundary condition either for the atmosphere or for the soil, where the estimated surface fluxes are taken as the main drivers of the physical processes involved in the surface energy and water balances ...
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On the circulation and the position of the forward stagnation point on airfoils
... Although boundary layer separation takes place at the leading edge for very small values of the angle of attack, the shear layer reattaches on the airfoil's upper side and a recirculation bubble is ...
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Design and simulation of a Blended Wing Body (BWB) airframe for an Unmanned Aerial Vehicle (UAV) using Computational Fluid Dynamics (CFD)
... The mesh is built using ANSYS Meshing Tool, with prismatic layers to capture the boundary layer effects, as suggested in ref. (Lanfrit, 2005). The layered prismatic elements are aligned with the flow near ...
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Assessment of planetary boundary-layer schemes with advanced remote sensing instruments and air quality modelling
... planetary boundary-layer ...that boundary layer processes occur at smaller geographical scales than mesoscale meteorological models can ...the boundary layer structure in the ...
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