نتایج جستجو برای: sedimentation time

تعداد نتایج: 1906411  

K. Hejazi M. Karimi M. Mojabi,

Sedimentation is one of the most important problems in harbors that results in considerable economic costs. Harbor planforms affects the flow pattern in the harbor basin and consequently, plays an important role in sediment transport and sedimentation. In the present study, a two dimensional depth-averaged hydrodynamic and sediment transport model has been developed to investigate the effect of...

2012

Several methods to recycle the top-cut scrap generated during directional solidification of solar silicon are currently being researched. One of these is particle removal by gravity sedimentation. However, natural settling of inclusions by gravitational forces is a slow process and not attractive to industry. This study investigated the sedimentation of micrometer size inclusions (≤ 10 μm) from...

2014
Judith A Okello Elisabeth M R Robert Hans Beeckman James G Kairo Farid Dahdouh-Guebas Nico Koedam

Sedimentation results in the creation of new mudflats for mangroves to colonize among other benefits. However, large sediment input in mangrove areas may be detrimental to these forests. The dynamics of phenological events of three mangrove tree species (Avicennia marina, Ceriops tagal, and Rhizophora mucronata) were evaluated under experimental sediment burial simulating sedimentation levels o...

Journal: :Chemical Engineering Science 1977

Journal: :Journal American Society of Mining and Reclamation 1992

1999
Michael P. Brenner

This paper considers a mixture of sedimenting particles at low Reynolds numbers and volume fractions. Simple theoretical arguments have long suggested that for a random suspension of particles in an infinite system, the fluctuations in the velocity about the mean should diverge with system size. On the other hand, experiments have shown no such divergence. The primary goal of this paper is to e...

Journal: :Clinical hemorheology and microcirculation 2007
Max R Hardeman

In their article entitled: “The decrease in erythrocyte sedimentation rate related to general anesthesia”, Clin Hemorheol Microcirc 35 (2006) 459–462, Caglayan and co-workers have investigated the effects of general anesthetic agents on erythrocyte properties, reflected in changes in the Erythrocyte Sedimentation Rate (ESR). In their introduction the authors referred to the one-hour ESR method ...

One of the problems of controlling erosion and sedimentation in catchment areas is the lack of statistical data to accurately estimate the amount of sedimentation and erosion. In order to implement soil protection programs and determine methods to reduce sedimentation, it is necessary to estimate the total volume of annual sediment production. The purpose of this study is to estimate the erosio...

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