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Design and stress analysis of temperature and force sensor in hot rolling process.

By Pavel Nejedlý

Abstract

In the process of hot rolling is roll surface thermo-mechanically stressed. To define lifetime of roll or to increase it by change of thermal mode, temperatures and forces acting on this roll need to be known. For this purpose should be used sensors, that are placed near by surface of roll. Aim of the first part of diploma thesis is to debug 2D computing model (MKP) to achieve the match of temperature graphs with experimentally measured values, which was recorded by temperature sensors in real process of rolling. In the second part the same temperature boundary conditions are applied on 3D model, which is used to solve mechanical strength check of the temperature sensor. The last part of thesis is design and verification of mechanical strength of the designed force sensor. The used boundary conditions were acquired in Laboratory of heat transfer and flow. The computing system ANSYS 11 is used to design a model of geometry and numerical calculation. This diploma thesis will be used as donating solution for the granted project, which started in this year with Laboratory of heat transfer and flow partnership

Topics: strain stress analysis; deformačně napěťová analýza; FEM.; MKP.; Heat transfer coefficient; Součinitel přestupu tepla; teplotní analýza; thermal analysis
Publisher: Vysoké učení technické v Brně. Fakulta strojního inženýrství
Year: 2009
OAI identifier: oai:invenio.nusl.cz:228581
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