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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.Knyazeva I.A. – post-graduate student E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Vyatka State University The organization address: 610000, Russia, Kirov, Moscovskaya st., 36 Zolotonosov Ya.D. – doctor of technical sciences, professor E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it Bagoutdinova A.G. – 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 articleSelection of mathematical model to describe the thermal process of the laser welding of spring-twisted channels
Abstract.Modeling of physical processes of laser welding speeds up the solution of optimum processing conditions with the help of computer technology. The same mathematical simulation reduces the cost of implementation of the experimental work. Mathematical models of the thermal conductivity of the process with the appropriate boundary conditions. There are several methods for detecting the heat equation. They differ from each other in the accepted system of coordinates, and as a source. This article deals with the choice of a mathematical model describing the heat of the laser welding for the production of spring-twisted-channel heat exchangers, which are the basic element of high-performance shell and tube heat exchangers of the new generation. Dependence of thermal cycles and graphs based on experimental studies conducted with data. Found that for the construction of more precise mathematical models must take into account the form of blanks, which greatly complicates the process of model building, but will allow higher quality modes to choose laser welding.
Keywords.Laser welding, thermal cycle, mathematical model, a fast-moving line source.
For citations:Knyazeva I.A., Zolotonosov Ya.D., Bagoutdinova A.G. Selection of mathematical model to describe the thermal process of the laser welding of spring-twisted channels // Izvestiya KGASU. 2013. №3(25) P.67-72.


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