This paper analyses reason for flame swinging in high-altitude nozzle with the ratio of large area tested under the ground atmosphere, and describes the mechanism of unsymmetrical separation.
本文分析了高空大面积比喷管在地面试验时喷管内出现火焰偏摆的原因，叙述了喷管内气流不对称分离的机理。
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 improved jet nozzle incorporates a coanda effect inducing element to enhance entrainment of particles to be ground within the vortex created by the micronizing jet mill.
该改进的喷嘴结合了柯恩达效应诱导元件以便增强要在微粉射流磨机产生的涡流内磨碎的颗粒的夹带能力。
The lawn nozzle is not belonged to the fountain nozzle but the sprinkling device used for green land, flower nursery a nd sports ground etc.
草坪喷头不属于喷泉喷头，是用于绿地、花圃、运动场等场所的喷洒器材。另有微型喷头可用于庭院或小面积园圃洒浇灌之用。
The plastic water pipe and the nozzle have not placed at will ground or soak in the basin.
塑料水管及喷头没有随意地放在地上或泡在水池里。
Fourteen, system of pipe nozzle and stents are connected to ground, grounding resistance should be less than 16 ohms.
系统中的管道喷头及支架等均应接地，接地电阻应小于16欧姆。
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。
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。
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