solidification heat

The Quality Control of Round Cast Alloy Production Numerical Simulation on Heat Transfer and Solidification of Coupling Graphite Sleeve with Round Cast Iron Bar in Horizontal Continuous Casting

铸造合金棒裂纹分析与控制铸铁水平连铸中结晶器和型材传热凝固的耦合数值模拟

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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。

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The movement of phase-change interface, the heat flux rate of the boundary, and the relationship of the thickness of slab and the predicted time of solidification under different cooling conditions were obtained.

获得了该蓄冷介质在板式蓄冷器中凝固时的相界面移动速度，边界面热流密度随时间变化的规律，及不同工况下蓄冷板厚度与预测蓄冷时间的关系。

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Instability of flow due to complex heat exchange and density variation leads to strong thermal convection in liquid region during the water solidification process. At the end of solidification process, intensity of flow decayed and the stable structure was rebuilt.

因为存在着复杂的热交换和密度变化，水在凝固过程中存在流动结构失稳，使得液相区内发生强烈的热对流.最后流动强度减弱，重新形成稳定结构。

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The heat transfer in continuous casting of Tin was calculated with this model, it was found that temperature of initial solidification area was varied periodically along with mold oscillation.

在此基础上，模拟了结晶器振动条件下的锡液初始凝固传热行为，发现锡连铸中，初始凝固区域温度随结晶器振动而发生周期性变化。

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Based on the temperature recovery method, a new model is presented to handle the latent heat release of gray cast iron during the solidification process of both primary solidification and the eutectic solidification stages.

基于潜热处理的温度回升法，针对灰铸铁凝固过程中具有初晶和共晶两个阶段的凝固特性，提出了适合灰铸铁的带共晶的潜热处理方法。

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A composition coating for ferrous metal alloy surfaces was comprised of phosphates base solution, heat-resisting pigments and some additives, which could be solidified on the surface of plain steel in ambient temperature without solidification agent.

研究了一种用于钢铁表面的磷酸盐复合涂料，它由复合磷酸盐基液、耐热颜料和一定的添加剂组成，涂刷在普通钢铁表面上可在室温自然固化。

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And the thermotechnical calculation solution of the solidification heat transfer device was attained.

总结给出了凝固换热装置的热工计算方法和计算机进行求解的逻辑框图。

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Numerical Simulation of Flow and Heat Transfer in Inverse Solidification Mold

反向凝固结晶器中流动与传热的数值模拟

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The processing method for latent heat releases in alloy castings is introduced by the combination of the temperature recovery and the equivalent heat capacity, which can be applied in alloy solidification of any temperature range with the high efficiency.

通过温度回升法与等效热容法的结合，提出了一种能够处理铸件凝固潜热释放问题的方法，它可适用于任意结晶温度区间，且计算效率很高。

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