固体推进剂火箭

The review deals with the effects of solid propellant during production and application on the environments and the antipollution techniques by careful selection of propellant ingredients or development of clean propellants.

综述了固体推进剂及火箭发动机在生产和使用过程中产生的污染以及改进措施。

Based on the three dimensional viscoelastic integral constitutive relation of a propellant grain with the finite element method, the analysis about the thermo-viscoelasticity of solid propulsive agent column is presented.

基于药柱的三维线性热粘弹性积分本构关系，采用有限元法，对固体火箭推进剂药柱进行热粘弹性有限元分析，得出药柱在轴向过载作用下的变形结果和药柱内危险部位的位置，表明药柱具有明显的粘弹性特点。

Fluent software was used as a calculaˉ tion platform, and its UDF compiler was used to inject mass, mome ntum and energy of ignition gas and propellant gas into chamber. Combining with kˉε twoˉequation turbulence model and Pˉl radiation model, the 3ˉD nume rical simulation of ignition transient process of some solid rocket motor with st arˉshaped charge and a cove was conducted.

文中以Fluent软件为计算平台，采用UDF编译来实现点火燃气和推进剂燃气的质量、动量、能量向燃烧室的注入，结合 kε两方程湍流模型、 P l 辐射模型对某有堵盖的星形装药固体火箭发动机的点火瞬态过程进行三维数值计算。

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

We shall try by means of a highly simplified development to expose certain advantages and disadvantages of solid propellant rocket systems.

我们想通过相当简单的推导来试图阐明固体推进剂火箭系统的某些优缺点。

The liner is a polymeric elastomer coating between propellant and insulation layer or case.The liner-forming is a special step in production of solid rocket motor.

衬层是推进剂与绝热层或壳体之间的高分子弹性体涂层，衬层成型是固体火箭发动机生产中的一种特种工序。

Today Vega consists of three solid motor stages and its AVUM fourth stage that uses storable propellant.

目前的"织女星"火箭由三个固体发动机级段组成，它的AVUM第四级使用易贮存的推进剂。

When the gas generator is loaded by fuel rich propellant with high exponent, the unchoked ducted rocket can almost be worke...

贫氧推进剂的燃速压强指数越高，非壅塞固体火箭冲压发动机燃气流量的自适应调节能力越强。

The results showed that the performance of unchoked ducted rocket is superior to that of choked one. When the gas generator is loaded with high burning-rate exponent fuel-rich propellant, the performance of unchoked ducted rocket is almost the same as that of the ducted rocket working under fixed mass ratio of fuel to air.

研究结果表明：非壅塞固体火箭冲压发动机的性能显著优于燃气流量不可调的壅塞式固体火箭冲压发动机；当贫氧推进剂具有高的燃速压强指数时，非壅塞固体火箭冲压发动机的性能接近燃气流量完全调节、以等空燃比工作的冲压发动机性能。

2 The measurement of temperature of solid propellant plume by remote sensing FTIR The infrared radiance spectra was obtained by remote sensing FTIR. The temperatures of four plumes of propellants and a infrared reagent were calculated according to the gas vibration rotation band fine structure such as CO, HF, H2O and HC1 in plume of solid rocket propellant. The results have a agreement with the theoretical data.

2.2 FTIR遥测固体推进剂羽流温度本文利用遥感FTIR测试技术测得了固体火箭推进剂羽流的红外辐射亮度分布图，并根据谱图中CO、HF、HZO、HCI四种气体振转谱带精细结构计算了推进剂羽流温度及红外辐射药剂的燃烧温度，计算结果与理论预测值基本一致。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。