pressure nozzle

A logarithmic function describing the relationship between penetration depth and dynamic pressure divided by the square of nozzle number was derived by fitting the data of the computation results.

通过对模拟结果的函数拟合，发现射流喷射深度与动压比除以喷嘴数的平方之间的关系可用一个对数函数很好地描述。

By bringing forward a new-style nozzle used in the cleaning of large industrial oil tank bottom sludge, the generative mechanism, appearance shape and analysis method of the nozzle worked in low pressure mass flow were compared with that in high pressure fewness flow.

通过给出一种应用于大型工业油罐罐底油泥清洗的新型喷嘴结构型式，比较了在低压大流量工况下该喷嘴脉冲的发生机理、表现形式、分析方法与高压小流量情况下存在的差异。

The affecting factors of the performance parameters of the thrust vectoring nozzle are investigated. And the affect of nozzle pressure ratio, nozzle area ratio and geometric defected angle on the performance parameters is also investigated.

研究了影响矢量喷管性能的因素，研究了压比、面积比以及几何偏角对矢量喷管性能的影响。

The calculation and experiment results show that the maximum lifting pressure performance decreases with the increase in throat diameter of channel of variable section, water flux of low pressure and pressure ratio of steam nozzle, and has its minimum value with water nozzle annular space.

计算及研究表明：极限升压能力随变截面混合腔喉部直径、被升压的低压水流量和蒸汽喷嘴压比增加而降低，随环形水喷嘴间隙的变化出现了最小值；

The flow field at the outle of the pulse-jetting nozzle of a ceramic filter was measured using a hot-wire wind velocity indicator, tbe jetted gas flow was obtained, the influence of the jetting pressure and the pulse width on the jetted gas flow was analyzed.

采用热线风速仪测量陶瓷过滤器脉冲反吹喷嘴出口的流场得到了喷吹气体流量，分析了喷吹压力和脉冲宽度对喷吹气体流量的影响。

The results of the study show that the compressed gas spraying from nozzle holes form three-dimensional rotation flow in nozzle interior, and the pressure distribution in general is symmetric on the nozzle axis.

研究结果表明：从喷孔喷出的压缩气体在喷嘴内部形成三维旋转气流，压力分布总体上关于喷嘴轴线对称。

In this article, some main factors which affected the performance of plasma cutting machine is introduced, which including material of workpiece, cutting current, air pressure and flux, nozzle diameter and operating method, the material of electrode and the consumptive features.

介绍了影响等离子切割机使用效果的几个主要因素如工件材质、切割电流、空气压力和流量、喷嘴孔径、操作手法等，以及电极制造材料和消耗特性。

When the nozzle attached is similar to the first nozzle of jet spinning, the air pressure needed is only 0.5 bar, far smaller than that for the jet spinning nozzle, yet the problem of hairiness is solved to a great extent.

该喷嘴与喷气纺中第一喷嘴相似，所用气压为0.5bar，大大小于喷气纺纱中喷嘴的气压，防止与加捻方向相反的纤维产生新的毛羽。

How to ignition to SMW in CFB, author has developed the oil atomization nozzle at low pressure with micro-expanded tangent channels ( Chinese Patent, No. ZL. 022422765) for the first time.

针对医疗垃圾点火启动比较困难的问题，首次提出并开发了有渐扩切向槽的低压燃油喷嘴（获中国专利，No.ZL.022422765）。

The effects of the technical parameters, e.g. tapping temperature, choice of ladle nozzle diameter, flow of melt steel, side dam, strip casting speed, roll pressure, protective gas et, al, on quality of casting strip have been investigated.

同时对出钢温度、钢包水口直径的选择、布流形式、侧封技术、铸带速度、轧制力、保护气氛等工艺参数对铸带质量的影响进行了研究。

The applied study on spin-flow pressure nozzle

旋流式压力雾化器的研究应用