Results 11 to 20 of about 884,701 (313)

Unsteady Fluid Mechanics of Starting-Flow Vortex Generators with Time-Dependent Boundary Conditions [PDF]

open access: yes, 2005
Nature has repeatedly converged on the use of starting flows for mass, momentum, and energy transport. The vortex loops that form during flow initiation have been reproduced in the laboratory and have been shown to make a proportionally larger ...
Dabiri, John Oluseun
core   +1 more source

Effect of the contraction ratio upon viscoelastic fluid flow in three-dimensional square-square contractions [PDF]

open access: yes, 2011
In this work we investigate the laminar flow through square–square sudden contractions with various contraction ratios (CR¼2.4, 4,8and12), using a Newtonian fluid and a shear-thinning viscoelastic fluid.
Sousa, P.C.   +3 more
core   +1 more source

Development of Next Generation Multiphase Pipe Flow Prediction Tools [PDF]

open access: yes, 2008
The developments of fields in deep waters (5000 ft and more) is a common occurrence. It is inevitable that production systems will operate under multiphase flow conditions (simultaneous flow of gas-oil-and water possibly along with sand, hydrates, and ...
Flow, Tulsa Fluid
core   +1 more source

Superconfinement tailors fluid flow at microscales. [PDF]

open access: yes, 2015
Understanding fluid dynamics under extreme confinement, where device and intrinsic fluid length scales become comparable, is essential to successfully develop the coming generations of fluidic devices.
Aarts, Dirk G.   +16 more
core   +2 more sources

A fluid flow perspective on the diagenesis of Te Aute limestones [PDF]

open access: yes, 2003
Pliocene cool-water, bioclastic Te Aute limestones in East Coast Basin, New Zealand, accumulated either in shelfal shoal areas or about structurally shallow growth fold structures in the tectonically active accretionary forearc prism.
Nelson, Campbell S.   +8 more
core   +1 more source

One-dimensional fluid diffusion induced by constant-rate flow injection: Theoretical analysis and application to the determination of fluid permeability and specific storage of a cored rock sample [PDF]

open access: yes, 2004
We describe the conceptual design and first application of a new method for simultaneously measuring the fluid permeability and specific storage of a rock sample.
Song, I.   +5 more
core   +1 more source

Aeroacoustic analysis based on FW–H analogy to predict low-frequency in-plane harmonic noise of a helicopter rotor in hover

open access: yesArchives of Mechanics, 2022
The integral formulation of the Ffowcs-Williams and Hawkings (FW–H) analogy, developed by Farassat (known as Farassat’s formulation 1A), is implemented to study the sound generation and propagation of rotating slender bodies.
T. Suresh, O. Szulc, P. Flaszynski
doaj   +1 more source

Symmetry in Fluid Flow

open access: yesSymmetry, 2023
Fluid flows sometimes exhibit symmetricity under certain conditions [...]
openaire   +1 more source

Dense estimation of fluid flows [PDF]

open access: yesIEEE Transactions on Pattern Analysis and Machine Intelligence, 2002
In this paper, we address the problem of estimating and analyzing the motion of fluids in image sequences. Due to the great deal of spatial and temporal distortions that intensity patterns exhibit in images of fluids, the standard techniques from computer vision, originally designed for quasi-rigid motions with stable salient features, are not well ...
Corpetti, Thomas   +2 more
openaire   +2 more sources

Barely visible impact damage identification in a 3D core sandwich structure

open access: yesComputer Assisted Methods in Engineering and Science, 2018
3D core sandwich structure (3DCSS) is a popular lightweight construction material in the automotive, aerospace and marine industries. However, barely visible low-speed impact-damage (BVLID) may occur in the 3DCSS due to foreign-object-impact that can ...
Shirsendu Sikdar   +3 more
doaj   +1 more source

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