By employing the gaseous oxygen as oxidizer and gaseous hydrogen as fuel, hot-firing tests were performed for aerospike nozzle and dual-bell nozzle test engines with altitude compensating features.
采用气氧作氧化剂、气氢作燃料，对具有高度补偿特性的塞式喷管和双钟型喷管进行了点火热试。
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。
Test results from an experimental investigation of the effect of nozzle on the thrust of a straight tube pulse detonation engine are presented.
在直管脉冲爆震发动机上安装不同类型的喷管，利用推力传感器测量了不同频率下发动机的瞬态推力和平均推力。
A new type of dual-pulse solid rocket motor concept with an intermediate nozzle is presented and a test motor with changeable structural parameters was designed.
提出了一种带有中间喷管的新型双脉冲固体火箭发动机技术方案，设计了一台结构参数可调的试验发动机；
Presents a forming technique of a full-sized two-dimensional nozzle with infrared suppression and analyzes the forming technique of a test sample.
研究全尺寸红外抑制二元喷管的成形技术，并对试验件的成形工艺作了分析。
It is verified through test that this nozzle makes the control of forming technique more flexible and enhances the quality of formed parts.
试验证明该喷头使成形工艺控制更加灵活，提高了成形零件的质量。
A method based on fuzzy C-mean clustering and image matching algorithms are proposed to detect atomization Angle and uniformity, applied to performance test-bed of engine nozzle.
提出了基于模糊C均值聚类和图像匹配，检测喷雾锥角和喷雾不均匀度的方法，并应用于发动机喷嘴性能检测。
The system is simple and practicable, it has been applied successfully to performance test-bed of engine nozzle.
该系统简单、实用，应用于发动机喷嘴性能试验器中，取得良好的效果。
During the ground test of solid rocket motors, after the reversal nozzles are opened, the shock wave enters the primary nozzle. This phenomenon makes tested data processing difficult.
带反喷管固体火箭发动机地面实验时，在其反向喷管打开后，激波进入主喷管情况下，会给数据处理带来困难。
The optimized matched relations between the combustion Chambers and the nozzle configurations are found by the mode test, and the whole process is recorded by a common cinematograph.
通过模拟试验。研究燃烧室形状与喷油嘴结构的最佳配合，并用一般电影摄影机可将全部运动过程记录下来。
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 traditional test method of them is estimation, which is low precision and bad repetitiveness. The quality control of fuel spray nozzle is impacted seriously.
传统的燃油喷嘴质量检验方法采用目测的方法进行，精度不高，重复性差，严重地影响了产品质量。
This paper describes the design and selection of important parameters of oxygen lance nozzle for 120 t converter, analyzes and discusses its applied results both in cold state test and production.
阐述了安钢120t转炉氧枪喷头重要参数的设计和选取，并通过冷态测试和实际运用对氧枪喷头的使用效果进行了分析和讨论。
Test results show that the corona's onset and breakdown voltage both rise with increasing OD of the nozzle.
结果表明：喷嘴外径增大，起晕电压和击穿电压升高。
In this article, the test results of a tilting burner with short nozzle on a cold model, in a pilot plant and under actual operating conditions are presented.
本文介绍了摆动式燃烧器短喷嘴结构冷态模拟试验结果，以及中间工业试验和热态运行试验结果。
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 thrust characteristics of axis symmetry nozzle were mainly measured in test. For the nozzle having a vectoring angle, the deflection efficiency was measured too.
对于轴对称喷管模型主要进行了喷管的推力特性测量，对于实施矢量偏转后的喷管模型除了给出了喷管推力特性外，还给出了喷管的偏转效率。
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。
Selection basis and method on allowable contact stress of rolling ball-socket nozzle were described. Based on empirical formula and test data, several factors affecting allowable stress were analyzed.
叙述了滚动球窝喷管在设计中许用接触应力的选择依据及方法，并根据以往的经验公式及其试验数据对影响许用接触应力的几个因素进行了分析。
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 preliminary test result shows that the combustor can be reliably ignited under the condition of large nozzle throat, the combustion process is stable and combustion efficiency is high.
初步研究结果表明，该方案在大喷管条件下点火起动可靠，燃烧过程比较稳定，燃烧效率高。
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。
Design methods and test process of nozzle closure made of hard foamed plastics for SRM are introduced.
介绍了固体火箭发动机喷管硬质泡沫塑料堵盖的设计方法与试验过程。
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。
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。
During the ground test under different working conditions of the gas generator, the influences of the radial clearance and exhaust nozzle area were studied.
根据发射系统内弹道计算模型 ，针对燃气发生器喷喉面积对导弹发射动力的影响进行导弹运动参数、内弹道性能的计算与分析。
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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