Determination of parameters of the water-air mixture generated by an ejection aeration system with a dispersing agent

Antonova, E.

doi:10.1088/1757-899x/492/1/012027

Cited by 5 publications

(2 citation statements)

References 20 publications

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“…The volume fractions were distinct. For our case an inhomogeneous velocity fields coupled with homogeneous temperature field and in the same time all phases share the same pressure [14]. Equations describing turbulence model and boundary conditions complemented this system [8].…”

Section: Methods and Modelmentioning

confidence: 99%

Numerical modeling of ventilation and air conditions systems of large sport and culture centres

et al. 2020

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One of the most promising applications of highly effective computer technology (supercomputers) is numerical simulation of complex physical and thermophysical proccesses occuring in vast areas of concert halls and sport arenas while heating, ventilating and air conditioning. According to Russian technical standarts for building construction, numerical modeling of these systems should be carried out on the stage of their design. The variety of problems and demands, lack of understanding of the physical process involved and the necessity to make genuine decisions are encountered while conducting such a work. The experience in modeling of ventilation and air conditioning systems of Bolshoi Krenlevskyi Palace concert halls and the Moscow Conservatory named after P.I. Chaikovskyi, Zaryadie Park Philarmony concert hall and a covered ice rink arena is described.

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Section: Methods and Modelmentioning

confidence: 99%

Numerical modeling of ventilation and air conditions systems of large sport and culture centres

et al. 2020

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“…However, it is possible to produce a wide range of bubble sizes using one aeration system; for example, an ejection system with disperser [85] allows the generation of bubbles that can be divided into several groups by size. At this point, contaminants of high flotability are recovered with large bubbles (250-300 μm), and contaminants of low flotability are recovered with microbubbles (55-100 μm).…”

Section: Factors That Influence the Choice Of Flotator Type 231 Param...mentioning

confidence: 99%

Common Issues in Aeration System Choice for Flotation Wastewater Treatment

Сазонов

Antonova

2023

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Flotation wastewater treatment is widely used in various treatment systems. The choice of aeration system plays a considerable role in the development of highly efficient flotation tanks. The objective of this work is to point out factors that influence the choice of flotator type, and to offer recommendations based on literature review and data analysis. In this paper, the various types of aeration systems used in flotation tanks are considered: mechanical, pneumatic, pneumohydraulic and ejection systems as well as dissolved air flotation and electroflotation systems. Their main advantages and disadvantages are pointed out. The specific features of flotation tank constructions are considered. The factors that influence the choice of aeration system such as the parameters of wastewater (pH, conductivity, temperature), requirements for the quality of treated water, reliability and simplicity of maintenance, capital and operating costs are defined. The peculiarities of various aeration system applications in different conditions are revealed. A comparison of the energy consumption of the considered systems of aeration is presented. In conclusion, practical recommendations for the choice of aeration system depending on various factors are offered.

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A multistage Ksenofontov’s model of flotation and development of electric flotatocombine for wastewater treatment space industry machine-building enterprises

Ksenofontov¹,

Bondarenko²

2021

XLIV ACADEMIC SPACE CONFERENCE: Dedicated to the Memory of Academician S.P. Korolev and Other Outstanding Russian Scientists –

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Determination of parameters of the water-air mixture generated by an ejection aeration system with a dispersing agent

Cited by 5 publications

References 20 publications

Numerical modeling of ventilation and air conditions systems of large sport and culture centres

Numerical modeling of ventilation and air conditions systems of large sport and culture centres

Common Issues in Aeration System Choice for Flotation Wastewater Treatment

A multistage Ksenofontov’s model of flotation and development of electric flotatocombine for wastewater treatment space industry machine-building enterprises

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