本文介绍了二维非稳态导热方程可视化软件的功能及研制过程。
This paper introduces the function of the software of visualization of two-dimensional unsteady heat conduction and its developing process.
在非结构化网格中,数值求解标量扩散方程(导热方程)是当今数值计算的基础问题。
It is one of the basic problems to study the heat conduction equation (the diffusion equation) using numerical method on unstructured grids.
并结合对钢卷导热方程和边界条件的离散求解,实现了钢卷温度场模拟计算的同时,获取了全氢炉退火过程的工艺制度。
Basing on the heat transfer mathematical models and the simulation system, the temperature fields of coils during annealing process have been calculated.
这就是基本方程,其中导热系数为温度的函数。
This is the governing equation, where the thermal conductivity is a function of temperature.
根据统计热力学的子系统原理和统计热力学的相对论,提出一个新的液体混合物导热系数方程。
An equation for predicting the thermal conductivities of liquid mixtures is proposed on the basis of the subensemble method and the relativity of statistical thermodynamics.
斯蒂芬问题是研究边界变化时导热规律的的物理方程的自由边界条件。
Stefan problem is free boundary condition of physical equation in thermal transfer when the boundary change.
首先,根据热传导的基本原理,建立温度场的傅立叶导热微分方程。
Firstly, in the sight of basic principle on conductions of heat, Fourier heat conduction differential equation of temperature field is founded.
采用有限元法求解梁截面导热偏微分方程,应用pde工具箱得到数值解。
The partial differential equation (PDE) for heat conduction was solved with the finite element method and the PDE toolbox was adopted to obtain the numerical simulation.
本文主要介绍了聚合物基复合材料的导热机理,以及预测二相体系复合材料热导率的理论模型方程。
The mechanism of thermal conduction and theoretical mold of forecasting thermal conductivity to two posture systems for composite of polymer of thermal conductivity are reported in this article.
基于三维非稳态导热微分方程,用控制容积法建立了火灾环境下钢筋混凝土三维非稳态温度场的离散格式。
Base on the three-dimensional heat conduction differential equation, the discrete formulation of three-dimensional unsteady temperature field under fire is established by the volume-control method.
利用烧蚀和导热计算方程组中二者的结合部,通过充分耦合,获得了更准确的预示计算结果。
Finally, a more accurate calculation result is obtative with a full consideration of the coupling term in both ablative equation and heat-conduction equation.
推导结果表明,此时离散方程的形式仍与纯导热物体的形式相同,只是界面上的辐射热流以源项的形式进入到离散方程中。
The discretization equation obtained takes the same form as that for the pure conduction problem, with the radiation heat flux at the interface appearing as an additional source term.
利用简化的动态模型过程,推导热浸镀条件下的膜层厚度控制方程,并通过实验手段对此方程作了验证。
The equation for the membrane thickness controlling in hot dipping process is deduced using abridged kinetic model process. The equation is demonstrated by experiment.
又对于变密度、变比热、变导热系数这样的更一般的情况也推立了六个二阶热传导的微分方程。
By the way, for the case of variable density, specific heat as well as thermal conductivity, we have been successful to deduce other similar six heat transfer differential equations.
建立能量平衡方程、钢坯导热微分方程、氧化层生成线性和抛物线增长的组合方程。
Energy balance equation, differential equation of heat conduction and combination of linear equation and parabolic equation of oxygen-layer forming are established.
用叠加原理求解多层非均匀内热源组合平板稳态导热微分方程组,得出热流量分布公式和温度公式。
The steady heat-conduction differential simultaneous equations of multicomposite plate with nonuniform generation are solved by the superposition principle.
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.
利用简化的动态模型过程,推导热浸镀条件下的膜层厚度控制方程,并通过实验手段对此方程作了验证。
The equation for the membrane thickness controlling in hot dipping process is deduced using abridged kinetic model process.
分析了空间多层打孔隔热材料中导热和辐射换热的复合传热问题,建立了关于反射屏的能量方程。
The combined radiation and conduction heat transfer in multilayer perforated insulation material MLPIM in orbit were investigated. The energy equation of the reflective screen was established.
测定了岩棉和硅酸铝毡二种绝热材料的表观导热系数,得出相应的回归方程。
The conductivities of two kinds of insulating materials-rock wool and aluminium silicate blanket-are measured and their correspondingregress formulas are obtained.
测定了岩棉和硅酸铝毡二种绝热材料的表观导热系数,得出相应的回归方程。
The conductivities of two kinds of insulating materials-rock wool and aluminium silicate blanket-are measured and their correspondingregress formulas are obtained.
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