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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/10738


    Title: Estimation of heat flux and thermal stresses in multilayer gun barrel with thermal contact resistance
    Authors: Haw-Long Lee
    Yu-Ching Yang(楊俞青)
    Win-Jin Chang
    Tser-Son Wu
    Contributor: 圖書資訊館
    Keywords: Inverse problem
    Heat flux
    Conjugate gradient method
    Gun barrel
    Date: 2009
    Issue Date: 2010-08-20 10:38:23 (UTC+8)
    Abstract: In this study, a conjugate gradient method based on an inverse algorithm is applied to estimate
    the unknown time-dependent heat flux at the inner surface of gun barrel, in which
    the interlayer thermal contact resistance between the steel cylinder and the chrome coating
    is taken into account in the boundary conditions. While knowing the temperature history
    at the measuring position, no prior information is needed on the functional form of the
    unknown heat flux. The temperature data calculated from the direct problem are used to
    simulate the temperature measurement. The influence of measurement errors and initial
    guess values upon the precision of the estimated results is also investigated. Results show
    that an excellent estimation on the time-dependent heat flux, temperature distributions,
    and thermal stresses can be obtained for the case considered in this study.
    Relation: Applied Mathematics and Computation
    Appears in Collections:[機械工程系所] 期刊論文

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