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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.Zemdikhanov M.M. – candidate of technical sciences Е-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 articleJustification of form of pipeline elbow for transportation the loose materials
Abstract.The article analyzes the prior art to reduce the wear elbow of pipeline. In this article is theoretically justified form of bending the elbow of pipeline for the transportation of abrasive loose materials to ensure the movement of the material at a constant pressure to the surface of the elbow and thus, ensures uniform wear of the curved portion. This increases the service life elbow of pipeline for transportation of abrasive loose materials. The author obtained the equations that define the shape and size of the elbow depending on the properties of the transported material and parameters pneumatic conveying. The form of bending the elbow of pipeline depends on parameters such as the coefficient of friction between the particle material and the surface of the elbow, material velocity at entry to this surface and the permissible value of the centripetal acceleration during the motion of the material on it. After assigning specific values of these parameters we can determine the required shape and size of the elbow.
Keywords.pipeline, particle material, the elbow, the radius of curvature, the equation.
For citations:Zemdikhanov M.M. Justification of form of pipeline elbow for transportation the loose materials // Izvestiya KGASU. 2015. №4(34) P.322-328.


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