Experiments test the influences of pressure, height, nozzle aperture and frog momentum on the fire control effect of fine water mist.
实验主要通过测定压力、高度、喷头孔径的大小和雾动量对细水雾灭火效果的影响。
A measuring system is studied to test coupled pair in oil nozzle of engines by means of the pneumatic sensing method and the diffused silicon pressure sensor.
研究了利用压力位移气动传感方法和以扩散硅压力传感器组成测试系统对发动机喷油嘴偶件进行检测。
The determination of reasonable pressure difference for horizontal well test is relevant to the reasonable productivity which is determined by the selection of nozzle.
水平井试井合理压差的确定实际上是与水平井合理产能相对应，而合理的产能是通过选择合理的油嘴来实现的。
The key of the well test design for productivity is to design reasonable nozzle in order to obtain steady and reliable productivity and pressure data.
产能试井设计中的关键就是设计合适的油嘴，以获得稳定可靠的产量和压力资料。
This article has mainly introduced the cold mode test and the result analysts of the spring nozzle with small pressure difference.
主要介绍了小压差弹簧喷嘴的冷态试验和结果分析。
The key feature of the experiment is to use a convergent-disvergent nozzle to maintain a high air pressure in the test chamber and at the same time t…
采用收敛扩张喷管，使雾化区形成高压而又连续流动的流场，是高压下雾化试验研究的好方法。
The pressure for opening the nozzle closure was determined in the simulated ignition test. The results show that the design scheme is reasonable. This kind of closure has been used in the practice.
某型号发动机硬质泡沫喷管堵盖打开压强模拟点火试验结果表明，这种硬质泡沫喷管堵盖设计方案可行，并已在实际中得到应用。
Simulation test shows that, (1) fixing ultra-high pressure nozzle on the bit edge is helpful to penetration with PDC cutting teeth;
室内模拟试验表明（1）超高压喷嘴安装在钻头刀翼上能辅助PDC切削齿破岩；
The wear test was carried on a nozzle which was made from carbides and ceramics on high pressure abrasive water-jet machine.
本文采用硬质合金和陶瓷材料制成喷嘴。在高压水设备上进行了磨损实验研究。
The later coming test work will help further validating and correcting. It is significant for the design calculation of a pressure-swirl nozzle with oil returning channel.
本文接下去的设计计算将通过试验验证、修正，为离心回油式喷嘴计算提供一定的借鉴。
The patterns of the pressure fields of fluid jets with the different ratio between nozzle diameters were obtained. Based on the test results, the ranges of the optimum ratio …
研究表明，加长喷嘴井底压力分布比普通喷嘴的高压区和低压区更集中；
The patterns of the pressure fields of fluid jets with the different ratio between nozzle diameters were obtained. Based on the test results, the ranges of the optimum ratio …
研究表明，加长喷嘴井底压力分布比普通喷嘴的高压区和低压区更集中；
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