Drag reduction by means of an array of staggered circular cavities at moderate Reynolds numbers
Further insight into the physics of boundary layers developing over an array of circular
cavities at moderate Reynolds numbers (R e θ up to 3400) is gained from hot wire boundary …
cavities at moderate Reynolds numbers (R e θ up to 3400) is gained from hot wire boundary …
Kinematic analysis of the four-link lever mechanism in accordance with the limits of elastic elements in sharnir
DA Djuraevich, KS Sharipovich - European science review, 2018 - cyberleninka.ru
The paper presents the scheme, the principle of operation, as well as the kinematic analysis
of the four-link hinged planar mechanism, taking into account the limiting values of the …
of the four-link hinged planar mechanism, taking into account the limiting values of the …
Restricted nonlinear model for high-and low-drag events in plane channel flow
F Alizard, D Biau - Journal of Fluid Mechanics, 2019 - cambridge.org
A restricted nonlinear (RNL) model, obtained by partitioning the state variables into
streamwise-averaged quantities and superimposed perturbations, is used in order to track …
streamwise-averaged quantities and superimposed perturbations, is used in order to track …
Learning the structure of wind: A data-driven nonlocal turbulence model for the atmospheric boundary layer
We develop a novel data-driven approach to modeling the atmospheric boundary layer. This
approach leads to a nonlocal, anisotropic synthetic turbulence model which we refer to as …
approach leads to a nonlocal, anisotropic synthetic turbulence model which we refer to as …
Time-frequency analysis for two cases of boundary-layer transition induced by random distributed roughness
The boundary layer transition induced by distributed surface roughness has great practical
relevance, but remains poorly understood. In this experimental work, we investigate the …
relevance, but remains poorly understood. In this experimental work, we investigate the …
Characterization of streak development for boundary layer transition caused by isolated and distributed roughness
In this work, we characterize the early stages of transition in a flat-plate boundary layer
caused by two types of surface roughness: distributed roughness (a strip of 24-grit emery) …
caused by two types of surface roughness: distributed roughness (a strip of 24-grit emery) …
[PDF][PDF] On the structure of a turbulent boundary layer perturbed by a large-eddy break-up device
ABSTRACT Large-Eddy Break-Up (LEBU) devices have been used in the past as means to
reduce the skin-friction drag associated with a turbulent boundary layer (TBL). In this work …
reduce the skin-friction drag associated with a turbulent boundary layer (TBL). In this work …
Delaying transition induced by a strip of distributed roughness using additional fine grit roughness
Distributed roughness occurs on aerodynamic surfaces like wind/gas turbine blades and
aircraft wings causing early boundary layer transition resulting in a reduction of the lift-to …
aircraft wings causing early boundary layer transition resulting in a reduction of the lift-to …
Design and methods for calculating the parameters of a machine for cleaning wool from vegetable impurities
The article presents an effective scheme and principle of operation of the device, working
bodies, drive mechanisms of machines for cleaning wool from vegetable impurities. Theory …
bodies, drive mechanisms of machines for cleaning wool from vegetable impurities. Theory …
Effect of Distributed Roughness on Boundary Layer Transition Induced by Free-stream Turbulence
View Video Presentation: https://doi. org/10.2514/6.2022-3813. vid In this work, we
investigate the boundary layer transition in presence of freestream turbulence (FST) and …
investigate the boundary layer transition in presence of freestream turbulence (FST) and …