Results 221 to 230 of about 10,926,215 (298)

Life at low Reynolds number

open access: yesAIP Conference Proceedings, 1976
E d i t o r’s note: This is a reprint (slightly edited) of a paper of the same title that appeared in the book Physics and Our World: A Symposium in Honor of Victor F. Weisskopf, published by the American Institute of Physics (1976). The personal tone of the original talk has been preserved in the paper, which was itself a slightly edited transcript of
E. Purcell
openaire   +2 more sources

Local Reynolds number

AIP Conference Proceedings, 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. In the article a few examples of the local Reynolds number distribution are shown using CFD.
P. Pavlíček
openaire   +2 more sources

Reynolds Number Corrections

2018
D4 Reynolds Number Corrections We explain why the ratio of inertia to friction forces, as characterized by the Reynolds number, influence gas turbine performance. We describe how the use of the Reynolds Number Index can simplify performance calculations. How to correlate Reynolds number corrections to real data is illustrated through use of a pipe flow
Joachim Kurzke, Ian Halliwell
openaire   +2 more sources

Magnetic force effects on peristaltic transport of hybrid bio-nanofluid (Au Cu nanoparticles) with moderate Reynolds number: An expanding horizon

, 2021
This work investigates the magnetic force and nonlinear thermal radiation on hybrid bio-nanofluid flow in a peristaltic channel under the influence of an applied magnetic field with high and low Reynolds number.
R. E. Abo-Elkhair   +2 more
semanticscholar   +1 more source

Flow over rectangular cylinder: Effects of cylinder aspect ratio and Reynolds number

, 2021
Numerical simulations of two- and three-dimensional unconfined flows over rectangular cylinders are conducted at Reynolds number Re = 30 – 200. The cylinder cross-sectional aspect ratio AR (length-to-width) is varied as 0.25, 0.5, 1.0, 2.0, 3.0 and 4.0 ...
A. Mashhadi, A. Sohankar, M. Alam
semanticscholar   +1 more source

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

Reynolds Number

Radiopaedia.org, 2014
openaire   +2 more sources

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

Low-Reynolds-number predator

Physical Review E, 2015
To generalize simple bead-linker model of swimmers to higher dimensions and to demonstrate the chemotaxis ability of such swimmers, here we introduce a low-Reynolds predator, using a two-dimensional triangular bead-spring model. Two-state linkers as mechanochemical enzymes expand as a result of interaction with particular activator substances in the ...
Mehran, Ebrahimian   +2 more
openaire   +2 more sources

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

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