本文采用不可压缩MHD方程及零方程湍流模式,数值计算了加电磁制动器的二维薄板坯连铸结晶器中的流场。
Using incompressible MHD equations and zero equation turbulent model, the paper calculated the flow field in two dimension thin slab continuous casting mould with the electromagnetic brake(EMBR).
论文综合了还原罐的容积,产生镁的反应速率和生成镁的量等因素,计算了镁和钠的结晶位置。
Paper combined such factors as the volume of retort, the reaction rate and the mass of produced magnesium, and calculated the crystal location of magnesium and sodium.
分别计算了试验钢回复后期和再结晶前期的激活能。
The recovery activation energy and recrystallization activation energy were calculated respectively.
重点给出在一个结晶条件下亚稳相石墨可能结晶的临界温度差的计算。
The emphasis is placed on the calculations of the critical temperature difference of the possible crystallization for the metastable graphite under a given crystallizing condition.
采用混合二甲苯二组分物系的固液相平衡方程及物料衡算和热量衡算方程对混合二甲苯连续悬浮结晶工艺进行模拟计算。
The continuous suspension crystallization process for xylene separation was optimized by calculation of solid-liquid phase equilibrium, material balance and energy balance.
计算表明,电磁制动对于抑制涡旋、改善薄板坯连铸结晶器中的流场有明显效果。
It showed that EMBR could control vortex and improve the flow field in the thin slab continuous casting mould effetely.
应用流场计算软件PHOENICS及水力模型,模拟了方坯连铸结晶器内钢液的流场和流动分布。
Using flow field software PHOENICS and water model, this paper describes the flow field of molten steel in continuous casting billet mold.
从传热学基本原理出发,推导出结晶性平板状注塑制品冷却时间的几种计算方法。
Several methods to determine the cooling time of injection molded slabs of crystalline plastics are discussed based on the theory of heat transfer.
一般用一维电子密度相关函数来计算结晶聚合物的过渡层厚度。
The thickness of transition layer of crystal polymer is generally calculated by one dimensional electron density correlation function.
计算结果表明,随着溅射时氧分压的增加,薄膜的结晶活化能增加,而相应的非晶态与晶态之间的焓差则呈现出相反的变化趋势。
The results showed that the activation energy increased with the increase of oxygen partial pressure, while the enthalpy difference between the as-deposited and the crystalline states decreased.
并联机床是并联机器人学、机械制造技术和计算机技术等多门学科交叉融合的结晶。
Parallel Machine Tools (PMTs) is the productions of many subjects, including Parallel Robotics, Mechanical Manufacturing, Computer technology, and so on.
计算出薄板坯在结晶器内温度场分布和变形,在此基础上得到了坯壳生长、收缩的规律。
The temperature flied distribution and deformation in the mould of thin slab were calculated, moreover, the regularity of shell growth and shrinkage was obtained.
文中还评述了现有双扩散对流与结晶过程耦合的计算结果及有待进一步研究的问题。
The existing numerical results of crystal growth process coupling with double diffusive convection are also reviewed in this paper.
并数值计算了普通循环水冷结晶器与喷淋冷却结晶器的冶金参数。
The metallurgical parameters of the conventional recirculating water cooling and the spray cooling molds have been calculated respectively.
根据分解后的图谱计算出纤维素相对结晶度、晶区大小等参数。
Relative crystallinity and size Of crystalline regions were calculated by means of the decomposed diffraction patterns.
适合重结晶石英边界分维值的计算方法有封闭折线法和面积周长法。
Two methods of polygon and area_perimeter are applicable to calculate the fractal dimension of dynamically recrystallized quartz grains.
将该控制模型应用于计算机控制系统,在小型电磁铸造设备上可以精确、稳定的控制结晶器内液位。
When the model is applied to computer control system, the liquid height in the mold is controlled stably and accurately in micro-type electromagnetic casting equipment.
建立了描述反向凝固结晶器中流动与传热的数学模型,并在此模型基础上进行了计算机模拟和仿真。
The mathematical model which describes the flow and heat transfer in inverse solidifying mold was established. Base on the model, a series of study with computerized simulation was taken.
本文在正交异性材料定向结晶涡轮叶片的应力有限元分析的基础上,以一种简单的破坏模式列出了可靠度的计算方法。
This paper is based on stress analysis of directionally solidified turbine blade with the Finite Element Method. The reliability analysis method with a simple failure model is proposed.
根据板坯连铸机结晶器的振动规律,设计并实现了结晶器振动参数在线辨识及其计算软件。
According to the vibration regularity of slab caster mold, the software of on line detecting and calculating parameters for the crystal mold vibration is designed and realized.
能在线辨识计算结晶器振动频率、振动相位偏差和其它工艺参数;
The system can detect the oscillation frequencies and phases, and calculate the technological parameters.
结果表明结晶器液压振动装置具有较高的振动精度,为MDF的准确检测与计算提供了研究基础。
The result indicates that the hydraulic oscillators have high oscillating precision, which provides the foundation for the accurate detection and calculation of MDF.
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。
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.
结晶紫方法测定A值,计算细胞存活量;
ELISA-Crystal violet method was used to detect survival cells.
计算流体力学的方法为DT B结晶器的设计、改造提供了更加科学和准确的依据,具有重要的研究价值。
CFD Simulation provides an scientific and accurate guidance for the design and upgrade of DTB crystallizer, and therefore, it's of vital importance.
再根据晶体大小分布理论(CSD),计算出斜长石的晶体生长速率、成核密度及成核速率等岩浆结晶动力学参数;
On the basis of the crystal size distribution (CSD) theory, the growth rates, nucleation density and nucleation rates of plagioclase have been worked out.
所计算的动态再结晶率以及峰值应力和实测的结果吻合良好。
Place calculative is dynamic the result be identical of recrystallization rate and peak value stress and actual measurement is good.
针对不同热轧工艺条件下发生的奥氏体再结晶现象进行模拟计算,建立了奥氏体静态再结晶的计算机模型。
Austenitic recrystallization phenomenon was simulated and a static austenitic recrystallization model of computer was established in hot rolled.
针对不同热轧工艺条件下发生的奥氏体再结晶现象进行模拟计算,建立了奥氏体静态再结晶的计算机模型。
Austenitic recrystallization phenomenon was simulated and a static austenitic recrystallization model of computer was established in hot rolled.
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