Analyses of elastic limit heat loads in thick walled tubes subjected to periodic surface temperatures: analytical treatment

• Autorzy: Apatay T. , Eraslan A. N.
• Języki publikacji: EN

Abstrakty

EN

Analytical solutions are derived to analyze elastic limit heat loads in tubes subjected to periodic surface temperatures. The tube is initially at zero temperature and for the times greater than zero one of the surfaces of the cylinder is subject to a periodic boundary condition while the other surface is insulated. For the transient temperature distribution, the heat conduction equation is solved by using Duhamel’s theorem. The uncoupled theory of thermoelasticity is used as the cylinder is heated or cooled slowly. Tresca’s yield criterion is used to monitor the yielding of the tube. The generalized plane strain condition is assumed. It is observed that yielding always occurs at the surface subject to a periodic boundary condition. It is also observed that, depending on the material properties of the tube and the amplitude of the boundary condition, yielding commences with different stress states.

Słowa kluczowe

EN

thermoelasticity; transient heat conduction; periodic boundary condition; Duhamel's theorem; elastic tubes

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Archives of Mechanics
• Rocznik: 2018
• Tom: Vol. 70, nr 1
• Strony: 37--53
• Opis fizyczny: Bibliogr. 23 poz., rys.

Twórcy

autor

Apatay T.

• Faculty of Engineering Department of Mechanical Engineering Gazi University Ankara. Turkey

autor

Eraslan A. N.

• Department of Engineering Sciences METU Ankara, Turkey

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).