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   傅里叶定律 在 金属学及金属工艺 分类中 的翻译结果: 查询用时:0.442秒
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傅里叶定律
相关语句
  fourier law
    Experimental result shows that there is a kind of un-convention temperature distribution in the limit thickness specimen under laser irradiation. This phenomenon cannot be explained by the classical Fourier Law and defined as Pan-Fourier effect in order to explain laser bending mechanism further.
    实验发现有限厚度材料在激光辐照作用下,其内部产生了用经典傅里叶定律无法解释的非常规温度分布,将其定义为泛傅里叶效应,用于进一步揭示激光弯曲机理的实质.
短句来源
    Base on the Fourier law and conservation of energy, and combine the finite difference, this dissertation deduce finite difference temperature model.
    以傅里叶定律和能量守恒定律为基础,结合有限差分理论推导出有限差分温度计算模型。
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  fourier law
The equations of the dynamic and thermal boundary layers on a flat plate are examined for a fluid with a temperature-dependent rheological power law and a non-Fourier law of heat conduction.
      
In particular for the planar unidimensional heat conduction problem we have obtained a behavior for the temperature that is always the same as the one predicted by the classical Fourier law.
      
Concrete examples are treated for illustration, and the validity of the Fourier Law in the present context is discussed.
      
We prove that these equations have a unique solution which, for N large, is approximately a local equilibrium state satisfying Fourier law that relates the heat current to a local temperature gradient.
      
The method used produces accurate solutions to the general conduction equation and Fourier law for .
      
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Laser bending mechanism is remarked and its essence is the temperature gradient mechanism. The reverse bending and the thickened mechanisms are included in the temperature gradient mechanism. We think that the reverse bending and the thickened of the material are only different phenomena based on different thickness of the material. Experimental result shows that there is a kind of un-convention temperature distribution in the limit thickness specimen under laser irradiation. This phenomenon cannot be explained...

Laser bending mechanism is remarked and its essence is the temperature gradient mechanism. The reverse bending and the thickened mechanisms are included in the temperature gradient mechanism. We think that the reverse bending and the thickened of the material are only different phenomena based on different thickness of the material. Experimental result shows that there is a kind of un-convention temperature distribution in the limit thickness specimen under laser irradiation. This phenomenon cannot be explained by the classical Fourier Law and defined as Pan-Fourier effect in order to explain laser bending mechanism further.

对激光弯曲变形机理问题进行了探讨,提出了激光弯曲的变形机理本质上是温度梯度机理,反向弯曲机理和增厚机理是当材料厚度方向的温度梯度很小时,针对不同厚度的材料而出现的现象.实验发现有限厚度材料在激光辐照作用下,其内部产生了用经典傅里叶定律无法解释的非常规温度分布,将其定义为泛傅里叶效应,用于进一步揭示激光弯曲机理的实质.

>=After analysing 2050 cooling temperature model, this dissertation expatiate the shortcoming of exponential model on the practice. Base on the Fourier law and conservation of energy, and combine the finite difference, this dissertation deduce finite difference temperature model. Comparing from exponential and finite difference model, this dissertation put forward how to use finite difference model on practice.

通过对2050层流冷却卷取温度计算模型的分析,并结合现场实际,阐述了指数温度计算模型在现场实际控制中的缺陷。以傅里叶定律和能量守恒定律为基础,结合有限差分理论推导出有限差分温度计算模型。对指数和差分模型进行了细致的分析比较,提出了差分模型的运用方案及在现场的使用方式。

 
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