Transport Phenomena in Dispersed Media

Kelbaliyev, G. I.; Тагиев, Д. Б.; Расулов, С. Р.

doi:10.1201/9780429260292

Cited by 16 publications

(31 citation statements)

References 0 publications

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“…When fixing two drops as a result of their collision, the resulting interfacial film under the action of various kinds of forces is thinned to a certain critical thickness and breaks with the further merging of two drops. Assuming that in a flat film of circular cross section the laminar flow, the momentum transfer equation in cylindrical coordinates is written in the form [7,8].…”

Section: Thinning and Destruction Of The Interfacial Film Taking Intomentioning

confidence: 99%

“…In [8,18], the fluctuation frequency of oscillations of the droplet surface using the Rayleigh equation as a result of the influence of turbulent pulsations of a certain frequency on the surface of droplets and bubbles on the shape change is defined as…”

Section: Deformation Of Drops and Bubblesmentioning

confidence: 99%

“…Such a size dispersion has a significant effect on the mechanism of structure formation, structural destruction, separation, and precipitation of droplets in oil emulsions. The mechanism of destruction and coalescence of droplets in oil emulsions can be divided into the following stages [7,8]:…”

Section: Introductionmentioning

confidence: 99%

“…The process of coalescence and crushing can be considered as a mass transfer process, in connection with which, the change in the number of particles taking into account the diffusion coefficients at λ > λ 0 and Pe << 1 can be written as [7][8][9][10].…”

mentioning

confidence: 99%

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Rheology of Structured Oil Emulsion

Kelbaliyev¹,

Тагиев²,

Manafov³

2021

Nano- And Microencapsulation - Techniques and Applications

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This study is devoted to the rheology of oil emulsions, accompanied by both the formation and destruction of the structure. The presence of particles of a dispersed phase in an oil emulsion, including asphaltenes and resins, determines the formation of coagulation structures as a result of interaction and collision of particles. In this regard, to study the formation of coagulation structures, analytical solutions to the mass transfer equations are proposed, based on which the coalescence and fragmentation frequencies of the droplets are determined. Models and analytical solutions of the equation for the thinning of an interfacial film between droplets with their coalescence in the volume of an oil emulsion are proposed taking into account the Marangoni effect and the effect of asphaltene content. The thickness of the adsorbed layer on the droplet surface was estimated. Many empirical and semiempirical formulas have been proposed for determining the dependence of viscosity on the content of water and asphalt-resinous substances in oil. Based on the solution of the Fokker-Planck equation, the evolution of the distribution function of droplets in time and size in an oil emulsion is studied.

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Section: Thinning and Destruction Of The Interfacial Film Taking Intomentioning

confidence: 99%

Section: Deformation Of Drops and Bubblesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Rheology of Structured Oil Emulsion

Kelbaliyev¹,

Тагиев²,

Manafov³

2021

Nano- And Microencapsulation - Techniques and Applications

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“…Azerbaijan State Oil and Industry University, Baku, Azerbaijan Republic;2 SRI "Geotechnical problems of oil, gas and chemistry", Baku, Azerbaijan Republic. E-mail: rasulovsakit@gmail.com…”

mentioning

confidence: 99%

Acoustic Testing of Rheological Properties of Oil in Borehole

Расулов¹,

Hasanov²,

Zeynalov³

2020

SERIES OF GEOLOGY AND TECHNICAL SCIENCES

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