最后采用增大热传导系数的方法，考虑了熔池内流体流动对整个温度场的影响。
Finally, the fluid flow of the weld pool was taken into account by increasing the heat conduction coefficient at elevated temperature.
研究了两个不同温度的圆柱体在相互热压时，其间的接触热传导系数与热工件的初始温度及压力之间的关系。
The purpose of this article is to study the relation of the interface heat transfer coefficient with initial temperature of specimen and pressure as two non-isothermal cylinders contact each other.
当介质的导热系数是温度的函数时，热传导方程是非线性偏微分方程，作者采用基尔霍夫变换把它变成拉普拉斯方程，于是可以找到原问题的近似解析解。
The nonlinear equation of heat conduction is transformed into a Laplace's equation by applying the Kirchhoff transformation, and an analytic approximate solution of the equation is derived.
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