1) hole jet flow
孔射流
1.
An experimental measurement was performed of the three-dimensional average speed in the flow field of an air-cooled annular turbine cascade by using LDV method to study the impact of hole jet flow on the flow field in an annular turbine cascade.
采用LDV对气冷环形涡轮叶栅流场三维平均速度进行实验测量,研究孔射流对环形涡轮叶栅流场的影响。
2) small hole shooting flow
小孔射流
1.
Through dynamic analysis of small hole shooting flow, the distributing diagram of velocity of shooting fluid and the mathematical model of the pressure loss in mixer are derived.
通过对小孔射流的动力学分析 ,得出了射流速度分布图并推导出混合器压力损失的数学模型。
3) Jet perforating
射流穿孔
4) tiny-hole jet-flow
微孔射流
1.
This paper introduces the momentum and flow field of tiny-hole jet-flow in high-pressure homogenization processing by applying fluid dynamics.
本文应用流体力学理论分析了高压均质过程中,微孔射流内动量及流场结构。
5) dual-jets
双孔射流
1.
The flow structures of plane dual-jets in confined space are exposed by the numericalsimulation and physical test.
计算结果和试验资料吻合良好，均发现双孔射流混合为单股射流后，其主流稳定地向一侧偏移。
6) limited-entry perforation
限流射孔
1.
Based on the fact that Well DP35-1 is of small bore diameter,long horizontal interval and strong heterogeneous gas reservoir on plane,the distribution of staged earth stress for the horizontal interval was analyzed,and the method of optimizing staged fracturing and limited-entry perforation was proposed.
针对大牛地气田DP35-1水平井水平段井眼小、水平井段长和气层平面非均质性强的特点,在分析了水平井段分段地应力分布特征的基础上,提出了优化分段压裂限流射孔的方法;研发的小井眼专用水平井压裂工具,实现了水平井段机械封隔分段压裂;同时利用全三维压裂设计软件对压裂施工程序进行了优化,筛选出适合水平井压裂改造的工作液体系。
补充资料：第二孔(继发孔)型缺损
第二孔(继发孔)型缺损
ostium secondary defect
是心房间隔在形成上发生障碍，一般缺损较大，多在卵圆孔附近称第二孔(继发孔)型缺损。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条