Results 1 to 10 of about 10,540,248 (197)

Turbulence Model Selection for Low Reynolds Number Flows. [PDF]

open access: yesPLoS ONE, 2016
One of the major flow phenomena associated with low Reynolds number flow is the formation of separation bubbles on an airfoil's surface. NACA4415 airfoil is commonly used in wind turbines and UAV applications.
S M A Aftab   +3 more
doaj   +2 more sources

Holography of the QGP Reynolds number

open access: yesNuclear Physics B, 2017
The viscosity of the Quark–Gluon Plasma (QGP) is usually described holographically by the entropy-normalized dynamic viscosity η/s. However, other measures of viscosity, such as the kinematic viscosity ν and the Reynolds number Re, are often useful, and ...
Brett McInnes
doaj   +4 more sources

Three-sphere swimmer in two dimensions at low Reynolds number condition [PDF]

open access: yesمهندسی مکانیک شریف, 2022
Being widely ubiquitous in fluidic mediums from aquatic environments to bodies, for the sake of their mobility, microorganisms, such as bacteria and motile cells, make use of particular swimming strategies that are counter-intuitive to that of our daily ...
A. Sheikhshoaei, M. Rajabi
doaj   +1 more source

Swimming at low Reynolds number [PDF]

open access: yesESAIM: Proceedings and Surveys, 2020
We address the swimming problem at low Reynolds number. This regime, which is typically used for micro-swimmers, is described by Stokes equations. We couple a PDE solver of Stokes equations, derived from the Feel++ finite elements library, to a quaternion-
Berti Luca   +2 more
doaj   +1 more source

Towards the definition of a benchmark for low Reynolds number propeller aeroacoustics

open access: yesJournal of Physics: Conference Series, 2021
Experimental and numerical results of a propeller of 0.3 m diameter operated in quiescent standard ambient conditions at 5000 RPM and axial velocity ranging from 0 to 20 m/s and advance ratio ranging from 0 to 0.8 are presented as a preliminary step ...
D. Casalino   +4 more
semanticscholar   +1 more source

Hydrothermal performance improvement of an inserted double pipe heat exchanger with Ionanofluid

open access: yesCase Studies in Thermal Engineering, 2021
To meet the growing energy demand, double pipe heat exchangers (DPHEX), which are used in a variety of energy and thermal engineering applications, require improved heat transfer performance.
Likhan Das   +7 more
doaj   +1 more source

Flow around an Oscillating Cylinder at Low Reynolds Number with Forced Convection: Effect of Corner Radius and Reynolds Number

open access: yesEnergies, 2022
This numerical study investigated the flow-induced vibration (FIV) on non-heated and heated cylinders with different normalized corner radii (r*) at different Reynolds numbers (Re).
Yuvraj Sarout   +3 more
doaj   +1 more source

Spectral analysis of the budget equation in turbulent channel flows at high Reynolds number [PDF]

open access: yesJournal of Fluid Mechanics, 2018
The transport equations for the variances of the velocity components are investigated using data from direct numerical simulations of incompressible channel flows at friction Reynolds number ( $Re_{\unicode[STIX]{x1D70F}}$ ) up to $Re_{\unicode[STIX ...
Myoungkyu Lee, R. Moser
semanticscholar   +1 more source

Vortex-induced vibration of cylinder under sub-critical Reynolds number

open access: yesZhongguo Jianchuan Yanjiu, 2022
ObjectiveIn order to achieve the accurate prediction of the amplitude response of a vortex-induced vibrating cylinder under the sub-critical Reynolds number, a method for establishing a Cl-A/D (lift coefficient-amplitude ratio)model of the forced ...
Li ZHOU   +3 more
doaj   +1 more source

Turbulence via Intermolecular Potential: Viscosity and Transition Range of the Reynolds Number

open access: yesFluids, 2023
Turbulence in fluids is an ubiquitous phenomenon, characterized by spontaneous transition of a smooth, laminar flow to rapidly changing, chaotic dynamics.
Rafail V. Abramov
doaj   +1 more source

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