Analysis shows that the reason of improper flow field distribution caused by DTH bit is that the nozzle position is close to the edge of bit.
分析认为,该潜孔钻头导致井底流场分布不合理的原因在于喷嘴安放位置太靠近钻头边缘。
In this paper, the design points of petroleum chemical equipment such as tower top, side and bottom piping, manholes layout and the nozzle position are introduced briefly.
本文对石油化工装置设计中塔顶、塔体侧面和塔底管道的设计,人孔布置及管口方位的设计要点做简要介绍。
The numerical simulation of the injector of atmospheric gas burner is carried out using software FLUENT, and the relationship between nozzle position and primary air coefficient is obtained.
采用FLUENT软件对大气式燃气燃烧器的引射器进行数值模拟,得出喷嘴位置与一次空气系数的关系。
Position a container under the nozzle and push the start button.
将容器置于喷嘴下,按下气动按钮即可。
From the experimental results the effects of nozzle axial position and mixer tube length upon ejector characteristic are revealed.
对实验结果进行分析,指出喷嘴轴向位置,混合管长度对引射器特性的影响。
The method can be used for combustion Chambers with any shape to match the fuel injection pressure, nozzle construction, injector position and intake swirl ratio with chamber shape.
该方法可适于任意形状的燃烧室,能反映出喷油压力、喷油嘴结构及安装位置、进气涡流比等参数与燃烧室形状的匹配关系。
The influences of nozzle design and position of injection lance on the mixing time of hot metal in the ladle were experimentally investigated.
通过实验考察了喷枪喷嘴结构不同和喷枪平面位置不同条件下吹气对熔池搅拌的影响;
The Dynamic-Tilt jet cutter can position the nozzle at an fixed angle to cut , exactly offset the natural taper from the jet cutter.
“动态倾斜切割头”可把切割头定位在一定的角度去切割,能精确地抵消水刀切割所产生的自然倾斜角度误差。
The performance of steamjet ejector was investigated by changing the secondary to the primary throat area ratio and the position of the steam nozzle.
计算并分析了第二喉管与工作蒸汽喷嘴喉管面积比、喷嘴出口截面与混合段入口截面间的距离等几何参数对喷射器操作性能的影响。
In tangential combustion system, the reheat steam temperature can be adjusted by changing burner nozzle Angle to just the flame position.
在切向燃烧系统中,通过改变燃烧器喷口的角度可以调节炉内火焰中心位置,可达到调节再热汽温的目的。
For a jet impinging onto a concave plate, the OASPL of the far-field noise is quite sensitive to position variations of the nozzle.
对于冲击面为凹面的冲击射流,远场噪声总声压级对喷嘴位置改变非常敏感。
The performance of steam-jet vacuum pump was investigated by changing the ratio of secondary to primary throat area, relative position of the steam nozzle and the taper of the mixing section.
计算并分析了第二喉管与工作蒸汽喷嘴喉管面积比、喷嘴出口截面与混合段入口截面间的距离等几何参数对喷射器操作性能的影响。
The nozzle and the nozzle body in the invention are simple in structure, can accurately position the recycling bent pipe, and are convenient as well as quick for disassembling and assembling.
本发明中的喷头和喷头体,其结构简单,能使回收弯管的定位准确,且拆装方便快速。
The numerical results also show that the first sonic point position moves away from the throat to the outlet of the micro nozzle with decrease of the throat width.
数值结果表明:在扩张比和进出口压力相同的条件下,微喷管出口马赫数随着微喷管尺度的减小而减小。
The calibration equipment is used to calibrate the visual testing system for rocket nozzle 3D motion, and supplies the standard position and motion parameters for static and dynamic calibration.
本校准装置是用来校准用于测试火箭喷管三维运动的视觉系统,为其提供标准的静态和动态运动参数。
The designers will be able to adjust the space position of the nozzle-axes on the bit cone according to the calculated result.
设计人员可根据计算结果来调整和确定喷咀轴线的空间位置。
The designers will be able to adjust the space position of the nozzle-axes on the bit cone according to the calculated result.
设计人员可根据计算结果来调整和确定喷咀轴线的空间位置。
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