Results 11 to 20 of about 1,584,375 (297)

Experimental and DEM Analysis on Secondary Crack Types of Rock-Like Material Containing Multiple Flaws Under Uniaxial Compression

open access: yesApplied Sciences, 2019
To better understand the evolution of crack propagation in brittle rock mass, the particle velocity field evolution on both sides of secondary crack in rock-like materials (cement mortar specimens) with pre-existing parallel double flaws under uniaxial ...
Yong Li   +5 more
doaj   +1 more source

Towards breaking the Omega-bias degeneracy in density--velocity comparisons [PDF]

open access: yes, 1998
I derive a second-order local relation between the REDSHIFT-space mass density field and the REAL-space velocity field. This relation can be useful for comparisons between the cosmic density and peculiar velocity fields, for a number of reasons.
Fry, M. J. Chodorowski
core   +4 more sources

Large scale anisotropies on halo infall [PDF]

open access: yes, 2010
We perform a statistical analysis of the peculiar velocity field around dark matter haloes in numerical simulations. We examine different properties of the infall of material onto haloes and its relation to central halo shapes and the shape of the large ...
Allgood   +37 more
core   +1 more source

Velocity field measurement in micro-bubble emission boiling

open access: yesNihon Kikai Gakkai ronbunshu, 2017
Liquid inlet behavior to a heat surface in micro-bubble emission boiling (MEB) was investigated by flow measurement using particle image velocimetry (PIV).
Daisuke ITO, Jun NATAZUKA, Yasushi SAITO
doaj   +1 more source

Galactic rotation and velocity fields [PDF]

open access: yesSymposium - International Astronomical Union, 1985
Using unpublished 21-cm data from Jackson and Kerr of the entire Galaxy at b = 0°, we have determined the terminal velocities, vm, to be (Gill & Shuter, 1983)
W. L. H. Shuter, A. Gill
openaire   +1 more source

Contactless inductive flow tomography [PDF]

open access: yes, 2004
The three-dimensional velocity field of a propeller driven liquid metal flow is reconstructed by a contactless inductive flow tomography (CIFT). The underlying theory is presented within the framework of an integral equation system that governs the ...
Frank Stefani   +3 more
core   +1 more source

Structure Design and Flow Field Analysis of Plugging and Diversion Robot in Pipeline

open access: yesShiyou jixie, 2021
In order to quickly solve the problem of pipeline leakage and plug the pipeline without stopping pipeline transportation, a design of a wheeled robot that can quickly plug and divert was proposed, and the flow field of the fluid domain in the robot's ...
Han Chuanjun   +3 more
doaj  

Velocity field distributions due to ideal line vortices [PDF]

open access: yes, 2001
We evaluate numerically the velocity field distributions produced by a bounded, two-dimensional fluid model consisting of a collection of parallel ideal line vortices. We sample at many spatial points inside a rigid circular boundary.
A. C. Ting   +20 more
core   +3 more sources

Semi Analytical Solutions for Fractional Oldroyd-B Fluid Through Rotating Annulus

open access: yesIEEE Access, 2019
In this paper, semi analytical solutions for velocity field and tangential stress correspond to fractional Oldroyd-B fluid, in an annulus, are acquired by Laplace transforms and modified Bessel equation. In the beginning, cylinders are stationary, motion
Bo Wang   +4 more
doaj   +1 more source

A pre-training model based on CFD for open-channel velocity field prediction with small sample data

open access: yesJournal of Hydroinformatics, 2023
Accurately obtaining the distribution of the open-channel velocity field in hydraulic engineering is extremely important, which is helpful for better calculation of open-channel flow and analysis of open-channel water flow characteristics.
Ruixiang Lin, Xinzhi Zhou, Bo Li, Xin He
doaj   +1 more source

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