the expression of current condensed and power of joule heat source near the crack tip in an infinite thin conducting plate under pulse current is derived, and the expression of temperature around the crack tip is obtained as well.

that's mainly because the electric current promoted the effect of electrical migration and the convergence of the electric current in the melt, which resulted in the joule heat effect and fusing the arm of dendrite.

这主要是由于电流引起了熔体中的电迁移效应及电流在熔体中偏聚引起焦耳热效应所导致的枝晶熔断所致。

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the equation to calculate the allowable current intensity of graphite electrodes used in electric furnace is derived by the heat balance between the heat loss and the joule heat of the electrode exposed outside the electric furnace.

利用炉外电极段散热与自身焦耳热平衡的方法求出了石墨电极在电弧炉中使用时的允许电流负荷的计算公式。

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when the distance is equal to the radius of particle, the joule heat is largest. when the distance is larger or smaller than the radius, the joule heat will decrease.

在较低体积分数下，当颗粒间的距离等于颗粒半径时，颗粒间焦耳热最大，颗粒间距小于或大于颗粒半径，焦耳热都会减小。

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the finite element method ( fe'. i) is adopted to analyze the effects of the numbers of coil turns, current intensity and current frequency upon the rate of joule heat generation in details.

采用有限元分析方法对线圈匝数、电流强度、电流频率等对焦耳热产生速率的影响进行了详细的分析讨论；

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expressions of current density and joule heat source near the crack tip in an infinite plate under constant current were derived, as well as the temperature field and the stress field near the crack tip.

探讨了稳恒电流作用下无限大薄板裂纹尖端电流密度及焦耳热源功率的计算表达式，并进一步推导了裂纹尖端区域温度场及热应力场的分布形式。

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the joule heat generated in the interconnect is transferred mainly through the metal lines in each metal layer and through the path with the smallest thermal resistance in each ield layer.

研究表明互连线上焦耳热的主要散热途径为金属层内的金属线和介质层中热阻相对小的路径。

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the electropulsing influenced the microstructure of the cold-rolled steel at room temperature, which was not determined by the effect of electromagnetic stress effect and joule heat effect on undercooling degree change.

在室温条件下，冷轧态中碳钢的组织得到细化，不太可能是电磁力或者焦耳热效应的结果。

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joule heat is internal heat source in the arms and more the distribution of the joule heat transfering to the cold and heat end are obtained directly as well without any assumption.

推导出半导体制冷器的理论工作参数，直接给出焦耳热在电臂冷端和热端的分配情况，无需任何假定。

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the influences of different coupling widths of the heating subassembly on the induction magnetic field, induction current and joule heat in the large size sic growth system have been investigated systematically.

本文采用有限元分析方法系统地研究了大尺寸SiC晶体PVT法生长装置中的加热组件不同的耦合间隙对生长系统中的感应磁场、感生电流和焦耳热的影响；

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the program calculates the electromagnetic field caused by the current, as well as the joule heat at the surface of the chucking appliance and the resulting joule heat.

程序计算了由电流产生的电磁场和夹具表面的涡电流所产生的焦耳热。

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an approximate method is used to analyse the excited fields with a non-symmetrical dipole in lossy media and simple analytical expressions about the fields and joule heat are obtained.

用近似法分析了有耗媒质中非对称电偶极的激励场，得到一个场和焦耳热的简单的解析表达式。

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the basis of self-organized criticality physics is the strong nonlinear effects, such as local joule heat and vortex motion which leads to the phase sliding of macro wave function.

涡旋运动导致宏观波函数的相滑移，和局域的Joule热等强烈非线性效应是形成自组织临界态物理基础。

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this thesis uses carbon nanotube as heating element to fabricate a micro bubble generator which generates micro bubble by joule heat in microfluidics.

本文以碳纳米管作为加热元件制作微气泡发生器，利用焦耳热在微流体中产生微气泡。

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for thermal character of compact busway, the temperature field distribution can be calculated through making joule heat indirectly coupled into thermal analysis as volume load.

对密集型（XL系列）母线槽的热性能，采用磁-热耦合的方法，由磁场分析得出的焦耳热作为热分析的载荷，得出温度场分布。

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this is followed by a transient thermal analysis which calculated the temperature distribution in the chucking appliance due to the previously calculated joule heat.

接下来通过瞬态热分析计算了夹具的温度分布。

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when the boundary conditions of electromagnetic quantities are satisfied, according to maxwell field equation the expression for joule heat resource power can be obtained.

在满足电磁量边界条件的情况下，根据导电体的麦克斯威尔方程，得到裂纹尖端附近焦耳热源功率的表达式。

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the temperature rise in liquid lithium hartmann flow at electrically conducting walls due to joule heat has been investigated numerically.

运用数值模拟方法对液态金属锂在导电壁面的哈特曼流中因焦耳热引起的升温进行了计算。

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but when voltage changed largely, there was some linear bend due to joule heat, especially in large internal diameter column.

由于焦耳热的影响，在电压变化幅度较大的情况下，电渗流与电压的关系曲线呈线性弯曲，在大内径毛细管电色谱柱上更加明显。

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the current density, joule heat and temperature distribution were also investigated, and the simulation results were contrasted with experimental data.

通过有限元方法对机敏混凝土的电热场进行了模拟分析，研究电流密度、焦耳热分布及试件表面温度分布变化规律并与实验所得试件表面温度场进行了对比分析研究。

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the analytical solution of steady-state temperature field with internal joule heat generation for sound structure is firstly investigated.

研究了在焦耳内热源条件下，无缺陷结构稳态热传导问题，并获得了其解析的求解方法。

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