variableangle nozzle

用法例句

The design and test of the shaft driven lift-fan , roll posts, 3 bearing swivel duct is described.

详细综述了P·W公司F135发动机和GEAE/RR公司F136发动机的设计、关键技术和方案演示验证(CD)与系统研制与验证(SDD)工作的进展,描述了F-35飞机通用推进系统的轴驱动的升力风扇、滚转喷管和3轴承偏转喷管的设计、试验和研制情况,总结了R35飞机推进系统的几点研制经验。

According to the characteristic of swing nozzle different from aero-fin,coordinates of swing nozzle is established.

针对摆动喷管不同于空气舵的特征,建立了摆动喷管坐标系,具体分析了单个摆动喷管产生的力和力矩,详细推导了采用摆动喷管推力矢量控制弹体弹性振动方程;同时基于小偏差线性化条件,推导了俯仰通道的姿态运动方程;以上方程可用于采用摆动喷管推力矢量控制弹体弹性计算和控制系统进一步设计的依据。

By using UDF program and dynamic mesh technology,3-D internal flow field of motor with swing nozzle was simulated numerically.

介绍了实现移动网格的基本方法,应用动网格技术,通过UDF(用户自定义函数)编程,对具有摆动喷管发动机三维内流场进行了数值模拟,结果表明,动网格技术能很好地实现与喷管摆动相对应计算区域的实时变化,适用于具有摆动喷管发动机内流场的计算。

Numerical simulation on two-phase inner flow field of submerged vectored nozzle;

潜入式摆动喷管两相内流场数值模拟

A numerical simulation of the three-dimensional,two-phase flow in the Solid Rocket Motor(SRM)with the submerged vectored nozzle is presented,which is based on the particle trajectory model(Euler-Lagrange model) and partitioned grid.

采用颗粒轨道模型(欧拉-拉格朗日模型)以及分区网格技术,对带潜入式摆动喷管的固体火箭发动机中的三维两相流动进行了一体化数值模拟,得出以下结论:凝聚相的存在对发动机中的两相流动有明显的影响,喷管中粒子浓度高的区域速度低,温度高;喷管的摆动造成发动机后翼槽内流动的不对称,并对发动机的性能造成明显的损失,当喷管摆动到一定角度时候,喷管摆向一侧的后翼槽内出现漩涡;喷管的摆动影响发动机后翼槽内以及壁面上粒子浓度的分布。

Application of Dynamic Mesh Technology in the Numerical Simulation for the Flow Field of Motor with Swing Nozzle

动网格技术在具有摆动喷管发动机流场数值模拟中的应用

sprinkler oscillating mechanism

喷灌装置(喷嘴的)摆动机构

Construction Technology of Tri-tube High-pressure Circumrotating Sway Pile with 120° angles

120°角三重管高压摆喷桩施工技术

Process of Scanning Spray Forming and Analysis Based on As-Deposited Microstructures of Magnesium Alloy;

摆动雾化喷射成形过程及镁合金沉积组织分析

ramjet exhaust nozzle

冲压式喷气发动机排气喷管

Study on infrared properties of low altitude multi-nozzle engine exhaust plume

低空多喷管发动机喷焰红外特性研究

sprinkler system with travelling pipe

移动管道式喷灌系统

ducted-fan (jet) engine

导管风扇式喷气发动机

The act of oscillating.

摆动摇摆摆动的动作

Study on Minimum Spouting Velocity in Liquid and Solid Bed with Draft Tube

带导流管液固喷动床的最小喷动速度研究

The application of three hose high pressure swing spray in the vertical cut-off wall of the reconstruction of jinji sluice dam of Quanzhou

三管高压摆喷在泉州金鸡拦河闸重建工程垂直防渗墙中的应用

High Pressure Jet Grouting Pile Applied to Staggered Pipeline Passing through Retaining Structure of Deep Foundation

大半径高压摆喷桩在管线跨越基坑围护中的应用

Considerations in the Deign of Spray Nozzle and Pipe Network of Automatic Sprinkler System

自动喷水灭火系统喷头和管网的设计与思考

The plunger is forced to undergo a simple harmonic vibration parallel to the direction of the tube.

活塞在平行于长管的方向作合谐摆动。

Micronozzle flow based on simulation of molecule movement

基于分子运动模拟的微喷管流体流动

The Phase Dynamic Adjustment Principle of Swaying Yarn Machine in No-Spin Cloth Production Line;

纺粘无纺布生产线管式摆丝机摆相动态调整原理

nozzle diaphragm

喷管挡栅板 -固体火箭发动机的

Check the engine tail pipe on metal particles and visible damage.

检查发动机尾喷管无金属颗粒和损坏。