Results 271 to 280 of about 3,925,714 (336)

Stabilization of contaminated canal sediments

European Journal of Environmental and Civil Engineering, 2011
ABSTRACT Morocco has valuable assets in marine seaboards and resources. The Mediterranean coasts do more than attracting tourists. That is why it is imperative to reconcile economic development with the quality of the environment. The industrial area in Tangier (Morocco), situated in the south-east area of the city, is a primary source of sediment ...
Laïla Ben Allal, Mohammed Ammari, Ikram Frar, Amina Azmani, Pierre clastres, Simone Jullien   +5 more
openaire   +1 more source

Design and experiment of a new structure of MR damper for improving and self-monitoring the sedimentation stability of MR fluid

Smart materials and structures (Print), 2020
Magnetorheological (MR) fluid damper is a high quality semi-active vibration damping device based on magnetorheological effect. However, one of the key factors restricting its development and application is the sedimentation of magnetic particles in MR ...
Hui Huang, Chen Chen, Zhicheng Zhang, Jinan Zheng, Yuzheng Li, Shumei Chen   +5 more
semanticscholar   +1 more source

Stability of settling of suspended sediments

The Physics of Fluids, 1978
The solution to the equations of two-phase flow which describes hindered settling is unstable to small perturbations.
Thacker, W. C., Lavelle, J. W.
openaire   +3 more sources

Rheological properties and sedimentation stability of magnetorheological fluid based on multi-walled carbon nanotubes/cobalt ferrite nanocomposites

, 2020
In this investigation, nanocomposites of cobalt ferrite (CoFe2O4) nanoparticles grown on multi-walled carbon nanotubes (MWCNTs) were developed by a ultrasonic-assisted co-precipitation technique.
Fangyou Wang, Yingying Ma, Huidan Zhang, Junlong Gu, Jiahao Yin, Xiaopeng Jia, Hui Zhang, Yanming Wang, Xiying Fu, Ruitao Yu, Zehu Wang, Shuai Han, Guangshuo Wang   +12 more
semanticscholar   +1 more source

Origin of Stability in Sedimentation

Physical Review Letters, 2002
Velocity fluctuations and particle concentrations are studied in a liquid fluidized bed to investigate the origin of steady state sedimentation. Both the velocity fluctuations and the particle concentrations are found to strongly depend on height. A flux balance model shows why the bed is stable: velocity fluctuations drive a downward particle flux ...
openaire   +2 more sources

Effects of estuarine infauna on sediment stability and particle sedimentation

Hydrobiologia, 1990
Secretions produced by the two estuarine benthic invertebrates Corophium volutator and Nereis diversicolor stabilise sediments by increasing their shear strength, and reduce sedimentation of previously resuspended particles. The secretions consist of 1 to 2 μm threads which bind the particles together. They are used by both species in the production of
P. S. Meadows, J. Tait, S. A. Hussain
openaire   +1 more source

Controlled synthesis of CoFe2O4/MoS2 nanocomposites with excellent sedimentation stability for magnetorheological fluid

Journal of Industrial & Engineering Chemistry, 2019
In this study, we reported novel nanocomposites containing cobalt ferrite (CoFe2O4) nanoparticles and molybdenum disulfide (MoS2) nanosheets (CoFe2O4/MoS2).
Guangshuo Wang, Fei Zhou, Ziwei Lu, Yingying Ma, Xiaoguang Li, Yu Tong, Xufeng Dong   +6 more
semanticscholar   +1 more source

Metal Distribution and Stability in Constructed Wetland Sediment

Journal of Environmental Quality, 2006
ABSTRACTThe A‐01 wetland treatment system (WTS) is a surface flow wetland planted with giant bulrush [Schoenoplectus californicus (C.A. Mey.) Palla] that is designed to remove Cu and other metals from the A‐01 National Pollution Discharge Elimination System (NPDES) effluent at the Savannah River Site near Aiken, SC. Copper, Zn, and Pb concentrations in
Anna Sophia, Knox, Michael H, Paller, Eric A, Nelson, Winona L, Specht, Nancy V, Halverson, John B, Gladden   +5 more
openaire   +2 more sources

Colloid Stability in Vadose Zone Hanford Sediments

Environmental Science & Technology, 2005
We experimentally determined colloid stability of natural colloids extracted from vadose zone sediments from the U.S. Department of Energy's Hanford Reservation. We also used reference minerals, kaolinite, montmorillonite, and silica,for comparative purposes.
Szabolcs, Czigány, Markus, Flury, James B, Harsh   +2 more
openaire   +2 more sources

Stability of oil well olefin drilling fluids: solid–liquid sedimentation and rheological characterization

Particulate Science and Technology, 2020
Oil wells drilling processes are a crucial step in petroleum exploration and drilling fluids are an important player in this operation. Both solid–liquid sedimentation stability and appropriate rheological characteristics are significant and desirable ...
Nara Brandão Costa Santos, Flávia Marques Fagundes, André Leibsohn Martins, João Jorge Ribeiro Damasceno, Fábio de Oliveira Arouca   +4 more
semanticscholar   +1 more source