Results 291 to 300 of about 10,289,048 (317)

Oxytocin Amplifies Negative Response to Ambiguity in Adolescent Females With and Without Eating Disorders

European Eating Disorders Review, EarlyView.
ABSTRACT Objective Eating disorders (ED) typically emerge in adolescence, a critical period for brain development and peer bonding. Interpersonal difficulties—particularly social anxiety—frequently co‐occur with ED. Oxytocin is a neuropeptide that modulates social cognition and linked to prosocial effects.
Victoria Burmester, Emerie Sheridan, Nikita Catalina Julius, Jordan Elliott, Olivia Thackeray, Dasha Nicholls   +5 more
wiley   +1 more source

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Reynolds number scaling of the peak turbulence intensity in wall flows

Journal of Fluid Mechanics, 2020
The celebrated wall-scaling works for many statistical averages in turbulent flows near smooth walls, but the streamwise velocity fluctuation, $u^{\prime }$, is thought to be among the few exceptions.
Xi Chen, K. Sreenivasan
semanticscholar   +1 more source

Turbulence statistics in fully developed channel flow at low Reynolds number

Journal of Fluid Mechanics, 1987
A direct numerical simulation of a turbulent channel flow is performed. The unsteady Navier-Stokes equations are solved numerically at a Reynolds number of 3300, based on the mean centreline velocity and channel half-width, with about 4 × 106 grid points
John Kim, P. Moin, R. Moser
semanticscholar   +1 more source

A numerical investigation about the effects of Reynolds number on the flow around an appended axisymmetric body of revolution

Journal of Fluid Mechanics, 2019
Large-eddy simulations for the case of an axisymmetric body of revolution with appendages are considered. The geometry is the benchmark case of the DARPA suboff body.
A. Posa, E. Balaras
semanticscholar   +1 more source

Dependence of square cylinder wake on Reynolds number

, 2018
The wake of a square cylinder is investigated for Reynolds number Re < 107. Two-dimensional (2D) laminar simulation and three-dimensional (3D) large-eddy simulation are conducted at Re ≤ 1.0 × 103, while experiments of hotwire, particle image velocimetry,
H. Bai, M. Alam
semanticscholar   +1 more source

The onset of dynamic stall at a high, transitional Reynolds number

Journal of Fluid Mechanics, 2018
Dynamic stall due to a ramp-type pitching motion is investigated on the NACA 0012 airfoil at chord Reynolds number of $Re_{c}=1.0\times 10^{6}$ through the use of wall-resolved large-eddy simulation.
S. Benton, M. Visbal
semanticscholar   +1 more source

Local Reynolds number

38TH MEETING OF DEPARTMENTS OF FLUID MECHANICS AND THERMODYNAMICS, 2019
This article proposes a definition of the Reynolds number in a form, which is applicable point-wise to an entire volume of fluid. This dimensionless number is termed a local Reynolds number in the article.
P. Pavlíček
semanticscholar   +1 more source

The lowest Reynolds number of vortex-induced vibrations

, 2017
It is well known that the occurrence of vortex-induced vibration (VIV) at a subcritical Reynolds number, which is lower than 47, is induced by fluid-structure interaction.
J. Kou, Weiwei Zhang, Yilang Liu, Xintao Li   +3 more
semanticscholar   +1 more source

A refinement of previous hypotheses concerning the local structure of turbulence in a viscous incompressible fluid at high Reynolds number

Journal of Fluid Mechanics, 1962
The hypotheses concerning the local structure of turbulence at high Reynolds number, developed in the years 1939-41 by myself and Oboukhov (Kolmogorov 1941 a,b,c; Oboukhov 1941 a,b) were based physically on Richardson's idea of the existence in the ...
A. Kolmogorov
semanticscholar   +1 more source

Magnetic propulsion of robotic sperms at low-Reynolds number

, 2016
We investigate the microswimming behaviour of robotic sperms in viscous fluids. These robotic sperms are fabricated from polystyrene dissolved in dimethyl formamide and iron-oxide nanoparticles.
Islam S. M. Khalil, A. Tabak, A. Klingner, M. Sitti   +3 more
semanticscholar   +1 more source