压室内金属液流动形态的二维数值模拟

袁有录

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压室内金属液流动形态的二维数值模拟
2D Numerical Simulation of Flow Field of Liquid Metal in Shot Sleeve
2007年第6期页码：436-438
纸质出版日期： 2007 ，
DOI：

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[1]袁有录.压室内金属液流动形态的二维数值模拟[J].特种铸造及有色合金,2007(06):436-438+406-407.

Yuan Youlu. 2D Numerical Simulation of Flow Field of Liquid Metal in Shot Sleeve[J]. Special Casting & Nonferrous Alloys, 2007,(6):436-438.
[1]袁有录.压室内金属液流动形态的二维数值模拟[J].特种铸造及有色合金,2007(06):436-438+406-407. DOI：

Yuan Youlu. 2D Numerical Simulation of Flow Field of Liquid Metal in Shot Sleeve[J]. Special Casting & Nonferrous Alloys, 2007,(6):436-438. DOI：

摘要

在普通压铸流场模拟的基础上

通过建立冲头、压室及金属液之间的运动学与动力学控制方程

以及三者之间的边界条件与初始条件

模拟了压室内金属液在冲头推动下的二维流动形态。分析了冲头的不同运动参数对压室内金属液卷气的影响

为实际压铸中慢压射速度的选择提供了参考。

Abstract

Control equations of kinetics and dynamics among the plunger

shot sleeve and liquid metal have been established to simulate the 2D flow field of liquid metal in shot sleeve based on conventional flow field simulation

in which the boundary and initial conditions among the threes are considered.The effects of different velocities of plunger on the entrapped-gas defects in liquid metal in shot sleeve have been approached

which provides a reference for the selection of slow-injection velocity in practical die casting.