Simultaneous Observation of Melt Flow and Motion of Equiaxed Crystals During Solidification Using a Dual Phase Particle Image Velocimetry Technique. Part I: Stage Characterization of Melt Flow and Equiaxed Crystal Motion

ABDELLAH KHARICHA; MIHAELA STEFAN-KHARICHA; ANDREAS LUDWIG

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Simultaneous Observation of Melt Flow and Motion of Equiaxed Crystals During Solidification Using a Dual Phase Particle Image Velocimetry Technique. Part I: Stage Characterization of Melt Flow and Equiaxed Crystal Motion

机译：使用双相粒子图像测速技术同时观察凝固过程中等轴晶体的熔体流动和运动。第一部分：熔体流动和等轴晶体运动的阶段表征

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A dual phase particle image velocimetry technique is applied to study the flow pattern during a combined equiaxed-columnar solidification process. This technique is able to measure simul taneously the liquid and the equiaxed grain velocity pattern within an academic Ammonium Chloride water ingot. After the formation of a steady convection pattern, solutal buoyancy together with falling crystals destabilize and break the steady convection flow into multiple chaotic cells. In the beginning of the solidification process, the flow transitioned from 2D to a 3D turbulent regime. The kinetic energy for the flow was calculated during the solidification process.

机译：应用双相颗粒图像测速技术研究组合等轴柱凝固过程中的流态。该技术能够同时测量学术氯化铵水锭中的液体和等轴晶粒速度模式。在形成稳定的对流模式后，溶液的浮力与下降的晶体一起不稳定，并将稳定的对流分成多个混沌细胞。在凝固过程的开始，流体从2D过渡到3D湍流状态。在固化过程中计算了流动的动能。

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《Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science》 |2013年第2期|共11页
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ABDELLAH KHARICHA; MIHAELA STEFAN-KHARICHA; ANDREAS LUDWIG;
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1. Simultaneous Observation of Melt Flow and Motion of Equiaxed Crystals During Solidification Using a Dual Phase Particle Image Velocimetry Technique. Part I: Stage Characterization of Melt Flow and Equiaxed Crystal Motion [J] . ABDELLAH KHARICHA, MIHAELA STEFAN-KHARICHA, ANDREAS LUDWIG Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science . 2013,第2期

机译：使用双相粒子图像测速技术同时观察凝固过程中等轴晶体的熔体流动和运动。第一部分：熔体流动和等轴晶体运动的阶段表征
2. A coupled VOF-IBM-enthalpy approach for modeling motion and growth of equiaxed dendrites in a solidifying melt [J] . Karagadde S., Bhattacharya A., Tomar G., Journal of Computational Physics . 2012,第10期

机译：一种耦合的VOF-IBM焓方法，用于模拟凝固熔体中等轴枝晶的运动和生长
3. Two-dimensional large-scale phase-field lattice Boltzmann simulation of polycrystalline equiaxed solidification with motion of a massive number of dendrites [J] . Computational Materials Science . 2020,第期

机译：多晶等凝固凝固的二维大规模相位晶格Boltzmann仿真与大量树突运动的运动
4. MULTIPHASE FLOW MODELING OF EQUIAXED DENDRITIC SOLIDIFICATION WITH MELT CONVECTION [C] . Harald Laux, Oyvind Nielsen 2002 ASME International Mechanical Engineering Congress and Exposition , Nov 17-22, 2002, New Orleans, Louisiana . 2002

机译：熔体对流等轴枝晶凝固的多相流模拟
5. KINETICS OF CRYSTALLIZATION OF BORON OXIDE UNDER PRESSURE AND THEORY OF MOTION OF THE CRYSTAL-MELT INTERFACE AT WIDE DEPARTURES FROM EQUILIBRIUM (RAPID SOLIDIFICATION, SOLUTE TRAPPING). [D] . AZIZ, MICHAEL JOHN. 1984

机译：压力下氧化硼的结晶动力学和在平衡条件下快速分离时结晶熔体界面运动的理论（快速凝固，溶质俘获）。
6. Modeling of coupled motion and growth interaction of equiaxed dendritic crystals in a binary alloy during solidification [O] . Xin Bo Qi, Yun Chen, Xiu Hong Kang, -1

机译：凝固过程中二元合金中等轴枝晶的耦合运动和生长相互作用的建模
7. Experimental Study of Free Growth of Equiaxed NH4Cl Crystals Settling in Undercooled NH4Cl-H2O Melts. [O] . Benoît Appolaire, Virginie Albert, Hervé Combeau, 1999

机译：低温NH4Cl-H2O熔融沉降的等轴NH4CL晶体自由生长的实验研究。

Simultaneous Observation of Melt Flow and Motion of Equiaxed Crystals During Solidification Using a Dual Phase Particle Image Velocimetry Technique. Part I: Stage Characterization of Melt Flow and Equiaxed Crystal Motion

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