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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.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 Abitov R.N. – candidate of pedagogic sciences, associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Khisameeva L.R. – associate professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Nizamova A.Kh. – senior teacher 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 articleMathematical modeling of coalescence of oil drops coalescing into a nozzle with a coarse-grained load
Abstract.In this article problems of modeling the process of oil droplets coalescence in coarse-grained coalescing loads are mathematically posed and solved. When moving upwards oily wastewater through a coarse coalescing load the armoring shells destruction on the globules of emulsified oil and drops fragmentation are taking place in the lower layers of the load. To quantify the coalescence of oil droplets in the coarse-grained load a theoretical model of the oil droplets collision in a turbulent flow is considered. In the coalescing filter with the coarse-grained load some flow fractions may be retained in the machine, while others conversely slip, which is directly related to the time of contact of oil droplets and, hence, the process of their enlargement. There is polydisperse system on the outlet of the load. The processing of the experimental data resulted in plotting histograms of the differential distribution functions of the oil droplets size in the emulsion before and after the load. Optimal values of the collision efficiency coeeficient, and the number of ideal mixing cells in the differential distribution function of the oil droplets size for a polydisperse system at the outlet of the filter’s load were determined from the sum of squares of the difference between the theoretical and experimental curves.
Keywords.modeling, coalescing nozzle, armoring shells, oil particles, evaluation of forces, the incoming flow of liquid, fragmentation and coalescence, adsorption layers, granules, turbulent regime, polydisperse system.
For citations:Urmitova N.S., Abitov R.N., Khisameeva L.R., Nizamova A.Kh. Mathematical modeling of coalescence of oil drops coalescing into a nozzle with a coarse-grained load // Izvestiya KGASU. 2015. №4(34) P.248-251.


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