Results 21 to 30 of about 19,072 (179)

La mécanique des fluides en France dans la première moitié du xxe siècle

open access: yesComptes Rendus. Mécanique, 2023
French fluid mechanicians of the first half of the Twentieth Century, unlike their illustrious predecessors, appear scarcely mentioned in textbooks and reviews.
Charru, François
doaj   +1 more source

A suitable parametrization to simulate slug flows with the Volume-Of-Fluid method [PDF]

open access: yes, 2012
Diffuse–interface methods, such as the Volume-Of-Fluid method, are often used to simulate complex multiphase flows even if they require significant computation time.
Augier, Frédéric   +3 more
core   +4 more sources

Rheological Characterization of Bentonite Suspensions and Oil-In-Water Emulsions Loaded With Bentonite

open access: yesApplied Rheology, 2001
With stress controlled rheometer we investigate the behavior for different concentrations, of paraffin oil-in-water emulsions, bentonite suspensions as well as charged bentonite emulsions.
Bekkour K., Ern H., Scrivener O.
doaj   +1 more source

Nonlinear Dynamics of the Quadratic-Damping Helmholtz Oscillator

open access: yesComplexity, 2020
In this paper, the Helmholtz equation with quadratic damping themes is used for modeling the dynamics of a simple prey-predator system also called a simple Lotka–Volterra system.
R. Fangnon   +4 more
doaj   +1 more source

Flow diagnostics [PDF]

open access: yes, 2015
The measurement of flow properties within fluid handling systems is of utmost importance for efficient operation and control of such systems. For single phase flow systems, extensive research has been carried out world over to diagnose the flow ...
Albarzenji, Dlir   +4 more
core  

Impact of Uncertain Parameters on Navier–Stokes Equations With Heat Transfer via Polynomial Chaos Expansion

open access: yesInternational Journal for Numerical Methods in Fluids, Volume 98, Issue 5, Page 557-577, May 2026.
This study investigates the impact of uncertain parameters on Navier–Stokes equations coupled with heat transfer using the Intrusive Polynomial Chaos Method (IPCM). Sensitivity equations are formulated for key input parameters, such as viscosity and thermal diffusivity, and solved numerically using the Finite Element‐Volume method.
N. Nouaime   +3 more
wiley   +1 more source

Effects of the Control Parameters on the Stability of a Laminar Boundary Layer on a Porous Flat Plate

open access: yesInternational Journal of Applied Mechanics and Engineering, 2021
This work is devoted to the analysis of the linear temporal stability of a laminar dynamic boundary layer on a horizontal porous plane plate. The basic flow is assumed to be laminar and two-dimensional.
T.F. Lihonou   +3 more
doaj   +1 more source

"Audacity or Precision": The Paradoxes of Henri Villat's Fluid Mechanics in Interwar France [PDF]

open access: yes, 2010
In Interwar France, Henri Villat became the true leader of theoretical researches on fluid mechanics. Most of his original work was done before the First World War; it was highly theoretical and its applicability was questioned.
David, Aubin
core   +2 more sources

On the stability of large-scale streaks in turbulent Couette and Poiseulle flows [PDF]

open access: yes, 2011
The linear secondary stability of large-scale optimal streaks in turbulent Couette flow at Re_τ = 52 and Poiseulle flow at Reτ = 300 is investigated.
Cossu, Carlo   +2 more
core   +5 more sources

Controlling the Collective Transport of Large Passive Particles With Suspensions of Microorganisms

open access: yesSmall, Volume 22, Issue 18, 25 March 2026.
Directional light stimuli induce the accumulation of microalgae in suspensions of Chlamydomonas reinhardtii. This accumulation triggers large scale bioconvection rolls capable of macroscale transport. Exploiting these bioconvective flows enables to collectively transport of hundreds of large passive particles, paving the way for future applications in ...
Taha Laroussi   +4 more
wiley   +1 more source

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