Equivalence for critical heat is one of the numerical treatment commonly used solving questions of solidification heat transfer.
潜热的等效是求解凝固传热问题常用的一种数值处理形式。
A finite element method (FEM) model is established to analyze the solidification heat transfer and shell growth of the old bloom caster in a steel works and is tested by the measured data.
采用有限元方法，对某钢厂的大方坯连铸机的凝固传热情况以及坯壳凝固生长进行了数值模拟，并通过现场数据对模型进行了验证。
Reflow Soldering: Melting, joining and solidification of two coated metal layers by application of heat to the surface and predeposited solder paste.
回流焊：应用加热金属涂敷层的表面和预涂焊膏，熔融，连接和凝固两个金属涂层。
The heat transfer and solidification change are analyzed by measuring the temperature change curves of metal mold, casting and pressurized bar in experimental model during local pressurization.
该研究通过试验模型测量局部加压过程中金属型、铸件和加压杆的温度变化曲线，分析了传热与凝固现象。
These principles in elude heat transfer and recalescence, thermodynamics of metastable and non-equilibrium solidification, growth kinetics and solute redistribution.
这些原则包括：传热及温度回升，亚稳及非平衡凝固热力学，生长动力学及溶质分布。
Heat transfer mathematical model and BP networks prediction model during solidification of continuous casting slab are established and verified with the measured data.
建立了连铸坯凝固过程传热数学模型与BP网络预测模型，并根据实测数据对两种模型分别进行了验证。
According to conventional sequence solidification principles, de-signing riser size of heavy castings by proportionally magnifying the heat center circle is wrong.
传统的顺序凝固原则，是按热节圆比例放大的方法确定厚大铸铁件的冒口，其中存在错误。
The effective thermal conductivity model and coupled model were developed for simulating the influences of fluid flow on heat transfer and solidification in continuous casting process.
综述了在连铸数值模拟过程中，为评估流体流动对铸坯热量传递和凝固过程影响所开发的有效导热模型和耦合模型。
In nature, the effect of the electromagnetic stirring on the characteristics of solidification is the comprehensive result of the heat, mass and momentum transport during solidification.
电磁搅动对凝固特性的影响实质上是导致凝固过程动量、热量及质量传输变化的综合结果。
Heat treatment of pressure die casting is not possible but due to the high rate of solidification the mechanical properties are good.
热处理压铸是不可能的，但由于高利率凝固的力学性能主流是好的。
Cyanoacrylates give off heat on solidification. In rare cases, a large drop will increase in temperature enough to cause a burn.
氰基丙烯酸酯粘合剂凝固时会散发热量，在较罕见情况下，大滴粘合剂滴落到皮肤上会导致高温烫伤。
The extreme heat transfer characteristics in short-pulse high flux heating and rapid solidification of metals are analyzed. which is mainly shown as nonequilibrium heat transfer process.
分析了对材料高热流短脉冲加热与快速凝固过程的超常传热特点，其主要表现为传热过程的非平衡特性。
Model that describes the flow and heat transfer in the crystallizer during inverse solidification was developed based on continuum equation.
在连续统一模型的基础上建立了描述反向凝固结晶器中的流动与传热的数学模型。
Numerical model was established after considering solidification, shake out, clearing getting system and heat treatment to predict the casting deformation during hot working processes.
综合考虑凝固、冷却、打箱、切除浇注系统和热处理影响建立数值模型，准确预测铸件在整个热加工工序中的变形。
Electromagnetic constrained forming technology features die-free, electromagnetic stirring and strong cooling, its solidification is a dynamic process of convective heat and mass transfer.
电磁约束成型技术具有无模、电磁搅拌、强冷却等工艺特点。其凝固过程为一对流传热传质的动态过程。
To prevent from heat crack, the choose of aluminum alloy with small crystal temperature range and the use of metal cast model, as well as adoption of gradual solidification style will be effective.
选择有效结晶温度范围小的铝合金、采用金属型铸型以及逐层凝固的冷却方式可以有效消除裂纹。
Using enthalpy to deal with latent heat of solidification the numerical model is solved by finite element method, and a steady temperature field can be obtained under a certain condition.
在此基础上采用有限单元方法数值求解模型，并运用热焓法处理凝固潜热，得到了一定工艺条件下的稳态凝固温度场。
Research on that metallic melts transforms from liquid to solid state based on heat transfer theory is an important discipline in casting solidification.
研究基于热传输理论的熔融金属从液体转变到固体状态变化过程是铸件凝固研究的重要分支。
During solidification of hollow ingot, its solidification and quality are seriously affected by the heat transfer boundary conditions between inner sleeve of core and cooling medium.
在空心钢锭凝固过程中，芯子内套筒与冷却介质之间的换热条件对空心钢锭的凝固过程及质量有着重要的影响。
The effects of solidification latent heat on the growth of equiaxed dendrite, distribution of solute field and temperature field in undercooled liquid alloy were analyzed.
研究了凝固潜热对过冷合金熔液中的等轴枝晶生长以及溶质场和温度场的分布的影响。
Tailings of Handan Iron Mine were used to produce light heat-insulation wall material by starch pulping and solidification method.
以邯郸铁矿尾矿为原料，采用淀粉糊化固化法制备轻质隔热墙体材料。
In the chapers that follows, the parameters of heat transfer are computed, the tendence of heat transfer about bi-directional solidification is obtained;
在下文，笔者通过热传输量变化的概算得出二维定向凝固的进行对热传输量的要求趋势（这对于制定工艺是有必要的）；
Filling and solidification process of low pressure casting is a complex and dynamic process with huge heat dissipation.
低压铸造充型是一个伴随着大量的热量散失的复杂的动态过程。
Function of nitrogen in high chromium cast irons was introduced, especially the function of nitrogen in the solidification and heat-treatment of high chromium cast iron.
介绍了氮在高铬铸铁中的作用，特别是氮在液态凝固过程中和固态热处理过程中的行为。
The hot metal flow and heat transfer in the mould are studied by computer emulation method and therefor the solidification behavior of liquid steel in the mould determined.
用计算机仿真的方法研究结晶器内钢液流动与传热，从而了解钢液的凝固行为。
An explicit finite-difference method (FDM) was used to model and simulate the solidification of eutectic cast iron by combining heat transfer equations with undercooling nucleation and growth laws.
综合热传导方程与过冷形核、生长规律，用显式有限差分法模拟了共晶铸铁的凝固过程。
The solidification and heat transfer in meniscus zone have deep influence on the formation of initial solidified shell, surface quality and smoothness of casting operation.
连铸弯月面区域的凝固传热对初生坯壳的均匀形成、铸坯的表面质量以及连铸生产的顺利进行有重要影响。
A heat conductive insulation adhesive with good heat resistance by medium temperature solidification was developed.
研究了一种中温固化、耐热性能良好的导热绝缘胶粘剂。
The effect of heat insulting feeder is to increase the feeding effect of the feeder through prolonging its solidification duration.
保温冒口的作用是通过延长冒口凝固时间来提高冒口的补缩效率。
By the calculated result, the charts correlating the dimensionless groups such as the entire solidification period, the average heat flux at the container wall, the thermal properties of the...
根据所得结果，给出了可供设计相变储热器用的总的凝固时间与壁面平均热流、相变材料的物性及边界条件之间的关系式。
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