火箭发动机

The key factor whicheffects carrier rocket engine technology is the deficiency of the ability of research andirmovation in carrier rocket engine.

影响我国火箭发动机技术进步的关键因素在于发动机研究、创新能力不足。

The basic theories of the solid rocket motor, the method of grid generation, discrete equations and coupled two-phase flow flied are introduced in detail.

论文以某小型实验发动机为研究对象，介绍了固体火箭发动机的基本理论、网格生成方法、方程的离散方法和两相耦合算法等内容。

In this paper,using non-linear equation groups indicating the relations between liquid rocket engine performances and interference factors,the engine performances are simulated by MonteCarlo method' A empirical distribution curve and statistical average value and believalbe range are obtained.

利用液体火箭发动机性能参数和内外干扰因素之间的一组随机非线性方程组，采用Monte－Carlo方法对发动机性能参数进行了模拟。

Base on the Fluent software,the time-average N-S equation,RNG k-ε turbulence modeling,P1 radiant modeling and particle track modeling,example for boost motor PQM-1 of Titan 4,by using flow-solid coupling boundary condition,the 2D axial symmetry gaseity fluid modeling and two phase fluid modeling were founded and the influence of coagulate particle to the flame-spread process in large aspect ratio SRM ignition transient were analyzed.

0引言固体火箭发动机点火过程是点火燃气流动与火焰传播相互耦合的过程，即包括点火燃气流动、药柱加热、局部点燃、火焰传播、室压建立等复杂的非定常过程，其中火焰传播在点火瞬态过程中占有重要地位，是发动机点火延迟、压强峰值过高、断续燃烧和熄火的主要因素，因此国内

Tripropellant injector element is one of the most important components in tripropellant engine, which is studied with emphasis.

三组元喷嘴是三组元液体火箭发动机的重要部件，也是三组元发动机研究的重点之一。

Propellant burning rate ; Engine test ; Parametric analysis ; Prediction technique ; Solid rocket engine ; Measurement

推进剂燃速；发动机试验；参数分析；预测技术；固体火箭发动机；测量

Propulsion and pressure are two important parameters of running process of engine and one of the main test contents.

推力和压力是固体火箭发动机工作过程中的两个重要参数，是发动机测试的主要内容之一。

The forward-directed force developed in a jet or rocket engine as a reaction to the high-velocity rearward ejection of exhaust gases.

推力，侧面压力：喷气发动机或火箭发动机产生的作为高速向后排出的气体的反作用力而向前推动的力量

Thrust regulation is an effective way for improving the adaptability of liquid rocket engine and launch vehicle.

1引言液体火箭发动机的推力调节，是运载火箭优化飞行轨道、降低飞行过载和起动载荷、提高有效载荷入轨精度的有效手段，同时也是增加发动机适应性的主要措施。

And rocket engine function test occupy the important status in the all kinds of tests of rocket.

而火箭发动机性能测试在火箭武器各类试验中占有重要地位。

What are your goals and strategies for growth?

你的成长目标和策略是什么？

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3：1 你要写信给撒狄教会的使者，说，那有神的七灵和七星的，说，我知道你的行为，按名你是活的，其实是死的。