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First name, Middle name, Last name, Scientific degree, Scientific rank, Current position. Full and brief name of the organization, The organization address.Adelshin A.B. – doctor of technical sciences, professor Urmitova N.S. – candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Adelshin A.A. – candidate of technical sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Kazan State University of Architecture and Engineering The organization address: 420043, Russia, Kazan, Zelenaya st., 1
Title of the articleStructure and mechanism of seepage coalescence process in hydrodynamic nozzles with coarsely granular component
Abstract.During filtration the water through the coalescent components of granular materials in seepage flow observed different types of deformation of the velocity field, the formation of stagnant zones turbulence and secondary flows, dissipative processes, and the forces of inertia in the seepage flow lead to additional energy losses. When creating a favorable filtration mode these circumstances can be implemented in the process of restructuring the internal phase emulsion oil (EI), in particular, in the processes of coalescence of oil particles emulsified in EI. Is noticed that smaller and larger particles interact with the surface of the granules as a result of the inertial collision mechanism. Center for the adopted model structure coalescing components excercises structure with the distance between the granules of 2-7 mm. It is noticed that the structure of the model adopted by the distance between the loading granules 2 mm high speeds and most of all visible particles of oil make a collision with the frontal surface of the granules. When consideration modes of filtration EI in coalescing nozzle can occur simultaneously crushing processes and coalescence of oil particles, the intensity of which varies in different parts of the components. Forces opposing the destruction of the oil particles due to structural-mechanical strength armoring shells on the particles of oil. The structure of the surface layers on the boundary «oil-water» complex and diverse for component composition. Surface layers of armoring shells have abnormal viscous, increasing in time in the hundreds and thousands times, which leads to increased firmness («aging») of the emulsion.
Keywords.Filtration flow, oil emulsions, coalescence model nozzles, structure of filtration flow, coarse components, granules.
For citations:Adelshin A.B., Urmitova N.S., Adelshin A.A. Structure and mechanism of seepage coalescence process in hydrodynamic nozzles with coarsely granular component // Izvestiya KGASU. 2014. №2(28) P.149-159.


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