Temperature gradients are significant in the fatigue life assessment. Thermal loading conditions were suspected to affect temperature gradients and thermal stresses in structures. In the present work, thin-walled plates and tubes were experimentally investigated to quantify the effects of thermal loads on the through-thickness temperature gradients, and finite element models were developed based on the experiments and used to generate more general correlations. It is confirmed that both transient peak temperature gradient and steady-state values are linear to heating power and cooling conditions, and are insensitive to plate thicknesses. By introducing the nondimensional temperature gradient, the temperature distribution in thin-walled structures can be estimated with reasonable accuracy.


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    Titel :

    Estimate of Temperature Gradients of Thin-Walled Structures Under Thermomechanical Fatigue Loading


    Beteiligte:
    Xu, Jiawei (Autor:in) / Yuan, Huang (Autor:in)

    Erschienen in:

    AIAA Journal ; 60 , 9 ; 5489-5499


    Erscheinungsdatum :

    2022-06-07


    Format / Umfang :

    11 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch