Application of computational fluid dynamics in sedimentation tank design and its recent developments: A review

K Hirom, TT Devi - Water, Air, & Soil Pollution, 2022 - Springer
Sedimentation tanks are the workhorses of both water treatment plants (WTPs) and waste
water treatment plants (WWTPs) and are crucial cogs in their respective treatment …

Recent developments on application of different turbulence and multiphase models in sedimentation tank modeling—a review

M Raeesh, TT Devi, K Hirom - Water, Air, & Soil Pollution, 2023 - Springer
This article provides a state-of-the-art review on the different turbulence and multiphase
models for the sedimentation tank studies of both water treatment plant (WTP) and …

Evaluation of three turbulence models in predicting the steady state hydrodynamics of a secondary sedimentation tank

H Gao, MK Stenstrom - Water Research, 2018 - Elsevier
The secondary sedimentation tank (SST) is a sensitive and complicated process in an
activated sludge process. Due to the importance of its performance, computational fluid …

[HTML][HTML] The effect of number of baffles on the improvement efficiency of primary sedimentation tanks

M Shahrokhi, F Rostami, MAM Said… - Applied Mathematical …, 2012 - Elsevier
In this study, the effect of different numbers of baffles is investigated using computational
simulation. Laboratory measurements using different numbers of constant height baffles in a …

[HTML][HTML] Numerical modeling on inlet aperture effects on flow pattern in primary settling tanks

F Rostami, M Shahrokhi, MAM Said… - Applied Mathematical …, 2011 - Elsevier
Inlets should be designed to dissipate the kinetic energy or velocity head of the mixed liquor
and to prevent short-circuiting, mitigate the effects of density currents, and minimize blanket …

A new combination approach for optimal design of sedimentation tanks based on hydrodynamic simulation model and machine learning algorithms

A Ferdowsi, M Valikhan-Anaraki, S Farzin… - … of the Earth, Parts A/B/C, 2022 - Elsevier
The current study aims to propose a novel approach to design rectangular primary
sedimentation tanks using computational fluid dynamics (CFD) and artificial intelligence …

Development and applications in computational fluid dynamics modeling for secondary settling tanks over the last three decades: A review

H Gao, MK Stenstrom - Water Environment Research, 2020 - Wiley Online Library
Secondary settling tanks (SSTs) are a crucial process that determines the performance of
the activated sludge process. However, their performance is often far from satisfactory. In the …

[PDF][PDF] Experimental and numerical approach to enlargement of performance of primary settling tanks

A Razmi, B Firouzabadi, G Ahmadi - 2009 - sid.ir
Circulation regions always exist in SETTLING TANK s. These regions would result in short-
circuiting enlargement of the dead zone and high flow mixing problems and avoid optimal …

[HTML][HTML] Experimental investigation of effects of baffle configurations on the performance of a secondary sedimentation tank

H Asgharzadeh, B Firoozabadi, H Afshin - Scientia Iranica, 2011 - Elsevier
Sedimentation tanks are designed for the settling of floated solids in water. These tanks are
one of the most important parts of water treatment plants and their performance directly …

Hydrodynamics of secondary settling tanks and increasing their performance using baffles

A Tamayol, B Firoozabadi, MA Ashjari - Journal of Environmental …, 2010 - ascelibrary.org
Generally, the flow in settling tanks is stratified, but the effect of buoyancy force on the flow
field depends on the inlet concentration of particles and flow bulk velocity. A common …