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熔渣下金属熔池流动现象的数学模拟

曲英 , 杨健 , 徐保美

金属学报

应用二维激光测速仪和高速摄影机对带有渣层的金属熔池流场的水模型进行了试验研究。根据研究结果提出熔渣-金属界面处的流动边界条件,用涡量-流函数法求解了有渣金属熔池的湍流特征。结果表明,熔渣下金属熔池的流动速度、湍动能和循环流量均显著低于无渣金属熔池。除包底区外,顶部渣层下近包壁处也有一个湍动能很低的“...

关键词: 流动 , metal bath , injection metallurgy , mathematical modelling

Al-Mg-Si-Mn-Fe系合金均匀化过程中的显微组织演化:数值模拟与实验结果对比

C.L.LIU , H.AZIZI-ALIZAMINI , N.C.PARSON , W.J.POOLE , Q.DU

中国有色金属学报(英文版) doi:10.1016/S1003-6326(17)60085-2

通过数值模拟和实验相结合的方法,对Al-Mg?Si?Mn?Fe(AA6xxx)系合金均匀化过程中的显微组织演化进行研究.所应用的数学模型是结合CALPHAD及基于AA3xxx(Al?Mn?Fe?Si)系合金均匀化热处理而开发的.而后对此模型进行修正,以使得其应用拓展到更为复杂的AA6xxx系合金.该...

关键词: AA6xxx合金 , 均匀化热处理 , 数学模型 , CALPHAD , 扩散

Mathematical Model for the Rotary Kiln Process and Its Application

XIAO Xingguo LI Jiaxin CAO Tongyou XIAO Zeqiang Northeast University of Technology , Shenyang , 110006 , China.

材料科学技术（英文）

A mathematical model to predict the operation behaviours of the rotary kiln process and to describe the axial distribution of process variables along the length of the reactor has been developed in present work.The model is established based on the principle of mass and heat balance in the system un...

关键词: rotary kiln process , null , null , null

MATHEMATICAL MODELLING OF FLOW PHENOMENA IN METAL BATH COVERED WITH MOLTEN SLAG

QU Ying YANG Jian XU Baomei University of Science and Technology Beijing , Beijing , China

金属学报(英文版)

By use of the two-component LDA and high speed camera,the water model of the flow field in metal bath under molten slag layer has been tested.On the basis of experimental results,the flow boundary conditions of liquid metal at the slag-metal interface of a gas injecting bath were deduced.The flow fi...

关键词: flow field , null , null , null

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