Abstract
The article describes the task of a mechanical system work while it is thermally loaded with bulky metallurgical blanks. A thermos car is given as an example to illustrate the methods of estimation of the structure bearing component limiting a car safe exploitation. The main heat fluxes are determined which define the condition of the car structure parts, the features of an intra plant rolling-stock exploitation are given. A model analyses of the thermos car is presented in three subsystems “frame – cowl – metallurgical blank”. It also takes into account shear stress on a slide surface. On the basis of specifications and technical documentation, three types of loads are described, which have influence on the car in the process of its exploitation. The estimate of the distribution of thermal fields and structure stresses of the thermos car is calculated based on the finite elements method in the program complex ANSYS Workbench. The results of the estimate of the developed model compliance to the real distribution of thermal fields are given. The estimates show the necessity of the modernization of the car frame thermal insulation. The solution is found which allows keeping the tempo of metallurgical blanks cooling within a wide range of temperature of the environment, securing the elements of the running gear and braking equipment, guaranteeing the mechanical safety of the car bearing structure, securing the personnel servicing the hot car elements of the rolling stock.
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Lapshin, V., Smolyaninov, A., Buynosov, A., Dobychin, I. (2020). Thermal Load of a Thermos Car in Transportation of Metallurgical Blanks. In: Popovic, Z., Manakov, A., Breskich, V. (eds) VIII International Scientific Siberian Transport Forum. TransSiberia 2019. Advances in Intelligent Systems and Computing, vol 1115. Springer, Cham. https://doi.org/10.1007/978-3-030-37916-2_27
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DOI: https://doi.org/10.1007/978-3-030-37916-2_27
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