查询词典 argon

Keywords Ladle Furnace;argon blowing;water model;mathematical simulation;fluid flow behaviors

Article From 河北理工学院；冶金工程硕士论文 2004年度LF；吹氩；水模型；数学模型；流动行为

First the paper applied the commercial program PHOENICS to establish the mathematical simulation by the modificatory Navier-Stokes equation andκ-εtwo-equation, then selected the spots by golden section, and investigated the fluid flow behaviors in argon blowing process in ladle furnace.

本文首先在商业软件PHOENICS操作平台上，采用修正后的Navier-Stokes方程和κ-ε双方程建立数学模型，采用黄金分割法选点进行模拟，用三维模拟研究了LF吹氩过程中钢液的流动行为。

Slab continuous casting ; mold ; argon blowing ; single and double recirculation flow pattern ; numerical simulation

板坯连铸；结晶器；吹氩；单双循环流；数值模拟

A mathematical model to describe the interfacial behavior between fluid steel and molten slag layer in a slab continuous casting mold with blowing argon gas was developed, and the prediction was validated by the water model.

利用VOF方法和Lagrange两相流模型描述了吹氩结晶器内钢/渣界面行为，并用水模型实验检验了数值模拟结果。

The formed conditions of a single and double recirculation flow pattern in a slab continuous casting mold with argon blowing were quantitive described using the Lagrange multi-phase flow model,and the prediction was validated by the water model.

使用Lagrange流体模型和水模实验对吹氩板坯连铸结晶器内单双循环流的形成条件进行了定量研究。

In the present study, the condition for the formation of the DRFP in a slab continuous casting mold with blowing argon gas was quantitively described using the Lagrange multi-phase flow model, and the prediction was validated by the water model.

利用Lagrange两相流模型定量研究了吹氩板坯结晶器内双循环流形成条件，并用水模型检验了数值模拟结果。

The interfacial behavior between fluid steel and molten slag layer in a slab continuous casting mold with blowing argon gas was described using the VOF method and Lagrange multi-phase flow model,and the prediction was validated by the water model.

利用VOF方法和Lagrange两相流模型描述了吹氩结晶器内钢/渣界面行为，并用水模型实验检验了数值模拟结果。

The formed conditions of a double-recirculation flow pattern in a slab con- tinuous casting mold with blowing argon gas were quantitive described using the Lagrange multi-phase flow model,and the prediction was validated by the water model.

利用Lagrange两相流模型定量研究了吹氩板坯结晶器内双循环流形成条件，并用水模型检验了数值模拟结果。

A self-made vacuum melting and argon shield continuous unidirectional solidification equipment was used to produce copper tube with continuous columnar structure.

采用自行研制的真空熔炼、氩气保护连续定向凝固设备制备出具有连续柱状晶组织的铜管铸坯，分析了铜管铸坯生产中熔体温度、连铸速度、冷却水量，结晶器等对其的影响。

Germany- made plasma cutter and welder (line welding machine and circular welding machine, one set for each); 12 argon welding machines; 4 electric welding machines; 1 spot welder; 3 CO2 welders; 2 oil buffer machines; 2 motor rolling machines; 8 motor wheels; 6 overhead travelling cranes; 3 pressure testers; water- pressured machine for making tank dish cover; welding beads stress reliever; computers for business and graphic design 3 sets for each; stainless steel tube automatic welder and steel tube cutter each for 2 sets.

德制自动电离子切割焊接机组（直线焊接及圆周焊接机各一套）氩焊机12 台、电焊机4 台、点焊机1 台、CO2焊机3 台、油压机床2 台、电动卷圆机2 台、电动滚轮8 台、电动天车6 台、钻床3 台、试压机3 台、卫生桶制造专用水压成型设备壹套、焊道应力消除机1 台、业务用电脑及图面设计用电脑各3 套、不袗管自动焊接机及钢片切管机各2 套。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。