1) 2-D filling flow
二维充模流动
1.
Mathematical analysis of powder injection molding 2-D filling flow;
粉末注射成形二维充模流动的数学分析
2) mold filling
充模流动
1.
The control equations,initial and boundary condi- tions for the mold filling process are proposed in this paper, by assuming that feedstock melt is non-Newtonian and in- compressible continuum-flow on the basis of analyzing the mold filling process of powder injection molding,and of the theories of hydromechanics and thermodynamics.
详细阐述了金属粉末注射成形的充模机理,假定了喂料熔体为混合均匀、不可压缩的非牛顿流体,充模流动为层流,依据流体力学和热力学知识,建立了完整的金属粉末注射成形充模过程数学模型,为金属粉末注射成形计算机模拟求解奠定了基础。
2.
The numerical methods in the simulation of mold filling process are introduced.
综述了目前用于粉末注射成形充模流动模拟所采用的理论模型及其应用研究现状,并对各自的优缺点进行了分析。
3) filling flow
充模流动
1.
Research on Filling Flow Theory and Processing Experiment in Micro Injection Molding;
微注塑成型充模流动理论与工艺试验研究
2.
Based on the analyses of wall slip mechanism of polymer melt flowing,the effects of wall slip on melt filling flow behavior in micro injection molding were investigated.
分析了微尺度下熔体壁面滑移机理,研究了微注塑成形中壁面滑移对熔体充模流动行为的影响。
3.
On base of the theory of polymeric melt filling flow in micro injection molding, the mechanism of convectional heat transfer for polymeric melt was discussed,and the effects of convectional heat transfer on the melt filling flow in micro injection molding were investigated with considering the model of convectional heat transfer coefficient.
在熔体流动理论的基础上,通过分析熔体的对流传热机理,并引入对流换热系数模型,对微注塑成型中对流换热系数对熔体充模流动进行了研究。
4) die filling
充模流动
1.
The control equations, initial and boundary conditions for the die filling process of metal injection molding (MIM) were proposed on the basis of hydromechanics and thermodynamics.
以流体力学和热力学理论为基础 ,建立了充模流动过程的控制方程、初始条件和边界条件 ,并以支持块的充模流动为例 ,采用大型通用有限元软件ANSYS进行了计算机模拟 ,着重研究了浇口位置和浇口尺寸大小对压力场 ,温度场的影响 ,同时结合实验分析了转角处缺陷产生的机理。
2.
Prior to the practical production, the die filling behavior of new inlets were simulated.
最后依据模拟结果,推荐在实际生产中采用INLET4位置浇口进行注射生产,实验表明制得的支持块无缺陷,产品通过了有关部门的验收,证明了充模流动3D模拟的可行性和准确性。
3.
The control equations, initial and boundary conditions for the die filling process of MIM were proposed on the basis of hydromechanics and thermodynamics.
以流体力学和热力学理论为基础,结合金属注射成形的特点,建立了其充模流动过程中的控制方程、初始条件和边界条件,并以硬质合金材料为例,采用大型有限元软件ANSYS进行了计算数值模拟,求解了流体前沿、温度场、压力场,同时结合实验分析了金属注射成形过程中的几种常见缺陷的产生条件。
5) two-dimensional two-phase flow model
二维二相流动模型
6) two-dimensional flow
二维流动
1.
A two-dimensional quasi-homogenous mathematical model has been developed on the basis of the two-dimensional flow model to simulate the axial-radial flow reactor for dehydrogenation of ethylbenzene to styrene under reduced pressure in this paper.
在轴径向反应器二维流动模型的基础上导出了基于二维流动的二维拟均相反应器模型 ,应用有限差分法求解此模型 ,发现轴径向反应器反应转化率略高于相应的径向反应器 0 。
补充资料:杯模流动指数
分子式:
CAS号:
性质:在杯模流动试验中,在一定的温度、压力条件下,杯模完全闭合所需要的时间(秒),即为杯模流动指数,是热固性树脂、模塑料流动性试验方法的一种,其数值小表示流动性大。
CAS号:
性质:在杯模流动试验中,在一定的温度、压力条件下,杯模完全闭合所需要的时间(秒),即为杯模流动指数,是热固性树脂、模塑料流动性试验方法的一种,其数值小表示流动性大。
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参考词条