• 二维情况下,忽略扩散效应,利用汉克尔积分变换法最陡下降法求解热扩散方程波动方程,得出了位移解析表达式

    The thermal equation and wave equation are solved by the methods of Hankel transform and steepest descent, and the general expression of displacement is obtained.

    youdao

  • 微波真空干燥过程,就整个板材而言扩散效应木材水分迁移影响不大局部有限范围内对自动平衡木材内含水率具有显著的作用。

    During the drying process of MV, for the whole board, the effect of thermal diffusion on moisture movement is not significant, but it can cause a leveling of moisture profile in a local range of wood.

    youdao

  • 报道了一种激光效应直接测量纳米材料热扩散方法

    A method of using the photothermal effect in the direct measurement of diffusivity of nanometer materials is reported.

    youdao

  • 激光器上升沿陡时,在有效作用时间温度上升得更快加工区域周围效应影响明显减弱,扩散距离变小

    When the rise time is steeper, the temperature rises faster, and the surrounding of the machining filed are less affected while the distance of the thermal diffusion reduces.

    youdao

  • 激光器上升沿陡时,在有效作用时间温度上升得更快加工区域周围效应影响明显减弱,扩散距离变小

    When the rise time is steeper, the temperature rises faster, and the surrounding of the machining filed are less affected while the distance of the thermal diffusion reduces.

    youdao

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