Influence of core sand properties on flow dynamics of core shooting process based on experiment and multiphase simulation
Influence of core sand properties on flow dynamics of core shooting process based on experiment and multiphase simulation
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基于实验和多相模拟的芯砂特性对射芯过程流动动力学的影响
DOI：
10.1007/s41230-017-6118-y
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发表时间：
2017-03
期刊：
影响因子：
1.6
通讯作者：
Junjiao Wu
中科院分区：
文献类型：
--
作者：
Tao Jing;Changjiang Ni;Gaochun Lu;Junjiao Wu
采用各种岩心砂、透明岩心箱和高速摄像机同步研究了岩心砂性质对流动动力学的影响。为了确认岩心射击过程是否有明显的湍流，用彩色岩心砂再现了射击头和岩心盒中砂粒的流动形态。结合颗粒流动动力学理论（KTGF）、动-摩本构关联和湍流模型，建立双流体模型（TFM），研究岩心射孔过程的流动动力学。然后进行了双流体模型（TFM）仿真，仿真结果与实验结果吻合较好。在试验和模拟结果的基础上，分析了湍流度、砂粒密度、砂粒直径和粘结剂比对充填过程、砂粒体积分数（αs）和砂速（Vs）的影响。
The influence of core sand properties on flow dynamics was investigated synchronously with various core sands, transparent core-box and high-speed camera. To confirm whether the core shooting process has significant turbulence, the flow pattern of sand particles in the shooting head and core box was reproduced with colored core sands. By incorporating the kinetic theory of granular flow (KTGF), kinetic-frictional constitutive correlation and turbulence model, a two-fluid model (TFM) was established to study the flow dynamics of the core shooting process. Two-fluid model (TFM) simulations were then performed and a areasonable agreement was achieved between the simulation and experimental results. Based on the experimental and simulation results, the effects of turbulence, sand density, sand diameter and binder ratio were analyzed in terms of filling process, sand volume fraction (αs) and sand velocity (Vs).
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影响因子：
1.6
作者：
Chang-jiang Ni;Gao-chun Lu;Qing-dong Zhang;T. Jing;Jun-jiao Wu;Lin-long Yang;Qin-fang Wu
通讯作者：
Chang-jiang Ni;Gao-chun Lu;Qing-dong Zhang;T. Jing;Jun-jiao Wu;Lin-long Yang;Qin-fang Wu
DOI：
--
发表时间：
2011
期刊：
--
影响因子：
--
作者：
Lin;Shengjun;Zhao;Wei;Li;Yuancai;Tong;Siyi;Wang;Wenqing
通讯作者：
Lin;Shengjun;Zhao;Wei;Li;Yuancai;Tong;Siyi;Wang;Wenqing
影响因子：
3.7
作者：
JOHNSON, PC;JACKSON, R
通讯作者：
JACKSON, R
影响因子：
5.2
作者：
S. Bakhtiyarov;R. Overfelt
通讯作者：
S. Bakhtiyarov;R. Overfelt
影响因子：
3.7
作者：
S. Benyahia;M. Syamlal;T. O'Brien
通讯作者：
S. Benyahia;M. Syamlal;T. O'Brien