Simulation of flow field and particle trajectory of radio frequency inductively coupled plasma spheroidization

Simulation of flow field and particle trajectory of radio frequency inductively coupled plasma spheroidization
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射频电感耦合等离子体球化流场和粒子轨迹模拟

DOI:
10.1016/j.commatsci.2012.06.008
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发表时间:
2012-12
影响因子:
3.3
通讯作者:
QU Xuan-hui
QU Xuan-hui
中科院分区:
材料科学3区
文献类型:
--
作者:
LU Xin;ZHU Langping;ZHANG Bing;ZHANG Rui-jie;HE Xin-bo;QU Xuan-hui

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利用定制的CFD商业软件FLUENT,采用κ-ε湍流模型和PISO压力-速度耦合算法,对感应耦合等离子体球化系统的氩气流场进行了数值模拟。采用离散颗粒群轨道模型(DSPG)对TiAl合金粉末注射成形过程中的颗粒运动轨迹进行了模拟,并预测了不同粒径的粉末通过氩气流场后的颗粒收集率。结果表明,模拟得到的粉末收集率和球化粉末的粒度参数与实验数据较为接近,表明对感应耦合等离子体球化系统氩气流场和喷吹TiAl合金粉末颗粒运动轨迹的数值模拟是可靠的。
With customized CFD commercial code FLUENT software, the numerical simulation of the argon flow field of inductively coupled plasma spheroidization system was performed by using κ–ε turbulent model and PISO pressure–velocity coupling algorithm. The injected TiAl alloy powder particle trajectories were simulated by using dispersed particle group trajectory model (DPM), and after passing through the argon flow field the particle collection rates of the powders with different particle sizes were predicted. The results show that the simulation values of the powder collection rates and granulometric parameters of the spheroidized powders are close to the experimental data, which indicates the numerical simulation of the argon flow field and injected TiAl alloy powder particle trajectories of inductively coupled plasma spheroidization system is reliable.
DOI: 10.1179/174329006x95329
发表时间: 2006-06
期刊: Powder Metallurgy
影响因子: 1.4
作者:
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