specific impulse

英 [spəˈsɪfɪk ˈɪmpʌls] 美 [spəˈsɪfɪk ˈɪmpʌls]

网络  比冲; 比冲量; 比冲值; 推进率; 比推力

化学



双语例句

  1. This is how he described that moment to me: "I realized that a methane-oxygen rocket engine could achieve a specific impulse greater than 380."
    他是这样对我描述那一时刻的:“我意识到使用甲烷-氧气型火箭发动机可以获得380秒以上的比冲。”
  2. Results show that the attenuation of shock pressure, specific impulse and specific energy in aluminum foams shell was induced by itself deformation and breakup.
    结果表明:泡沫铝壳通过自身的压缩变形和破碎来消耗爆炸冲击波的能量,进而起到对水下爆炸冲击波的消减作用;
  3. The experimental data analysis show that aluminum foams shell not only can weaken the peak pressure, but also effectively absorbs the specific impulse and the specific energy of shock wave.
    通过对数据分析,发现泡沫铝壳不仅可以消减爆炸冲击波峰值压力,而且可以有效地吸收冲击波比冲量和冲击波比能。
  4. When the expansion ratio becomes larger, both thrust and specific impulse will increase.
    适当增大扩张比能提高微喷管的性能。
  5. As the length of secondary combustion chamber increases, the thrust, specific impulse and combustion efficiency increase respectively.
    随着补燃室长度的增大,发动机推力、比冲和燃烧效率均提高。
  6. It is a reliable measuring method of the specific impulse for the high-burning rate propellants.
    为高燃速推进剂比冲测试提供了可靠的试验依据。
  7. Curves of constant specific impulse are traced inside the triangle.
    比冲为常数的曲线则画在三角形内部。
  8. Effect of primary water penetration angle on specific impulse of water ramjet
    一次进水角度对水冲压发动机比冲性能影响研究
  9. Theoretical research on specific impulse performance and chamber length of hydroreactive metal fuel motor;
    水反应金属燃料发动机系统构型研究需要以燃烧数值模拟作为研究基础。
  10. More and more researchers have been showing great interest in laser propulsion for its outstanding merits, such as high specific impulse, low cost, etc.
    激光推进以其比冲高、成本低等优点受到了众多研究者的广泛关注。
  11. Influence of Inlet Conditions on Thrust and Specific Impulse of Solid Fuel Ramjet
    入口条件对固体燃料冲压发动机推力和比冲的影响分析
  12. Operating performance of thrusters with various structure and size under various working conditions is obtained in experimental study, and flow distributions within some thruster are presented and its thrust, specific impulse and thrust efficiency are predicted in numerical study.
    通过实验获得了不同结构尺寸的推力器不同工作条件下的工作性能,通过数值模拟给出了推力器的流场结构,预计了其推力、比冲和推进效率。
  13. This paper analyzes the effects of burning rate catalysts on the theoretical specific impulse ( ISS) and the pressure exponents of NEPE high energy solid propellants.
    分析了燃速催化剂对NEPE高能固体推进剂理论比冲和燃速压强指数的影响。
  14. Combustion efficiency study and prediction of specific impulse of high-energy propellants
    高能推进剂燃烧效率研究和实测比冲预估
  15. On the basis of the digital simulation of internal ballistic properties for a solid rocket motor, the mean value and variance of internal ballistic properties are given, such as, average pressure and thrust, maximum pressure, specific impulse and total impulse.
    对某固体火箭发动机的内弹道性能进行了数字仿真,得出了燃烧时间平均压强和平均推力、最大压强、比冲和总冲等内弹道性能参数的均值和方差。
  16. Effect of ablative cooling on specific impulse of rocket engine.
    烧蚀冷却对发动机比冲的影响。
  17. High thruster specific impulse can be obtained by means of optimizing working parameters.
    通过对工作参数优化,达到发动机高比冲的工作状态,并重点分析了推进剂流量对发动机性能的影响。
  18. A simple estimation method for specific impulse losses of two-phase flow with variable lag is provided.
    介绍了一种变滞后两相流动比冲损失的简单估算方法;
  19. This paper discusses the advantage using high specific impulse electric rocket as primary propulsion of spacecraft.
    本文讨论了除改善现用化学推进系统性能外,采用高比冲电火箭发动机担负探测器主推进的优越性。
  20. The internal structure has been optimized to reduce the heat loss and increase the specific impulse.
    本文通过优化发动机其内部结构,减小了热损失,提高了比冲。
  21. The effect of operation pressure on the specific impulse of tactical missile solid motors is analyzed from several factors, such as characteristic velocity, thrust coefficient, impulse coefficients of the chamber and nozzle.
    从固体发动机的特征速度、推力系数、燃烧室冲量系数和喷管冲量系数等因素出发,分析了发动机工作压强对战术固体火箭发动机比冲的影响。
  22. The results of numerical simulation display the flow distribution, decomposition and ionization within the nozzle, and predict the thrust and specific impulse of the thruster.
    数值模拟的结果揭示了喷管内的流场结构,反映了喷管内的离解电离状况,得到了推力器的推力和比冲。
  23. In this paper, formulae of the specific impulse loss for the inside and outside processes are established.
    本文通过分析建立了计算内冷却(即有膜冷却)条件下的内部过程和考虑辐射热的外部过程所引起的比冲损失的公式。
  24. In addition, it showed that thermal throat will increase engine thrust and decrease specific impulse.
    另外还得到热力喉道取代几何喉道后对发动机性能的影响,它可以提高发动机的推力,却要降低比冲。
  25. The characteristics of hybrid engine such as specific impulse, adjustable thrust, safety and low cost were demonstrated.
    阐明了固液发动机比冲、可多次启动关机、推力可调、安全性好和成本低等特点。
  26. Energic level of NEPE solid propellant was analyzed, the effect regularity of ingredients different ratio and content on the propellant formulas standard theoretical specific impulse ( ISS) was studied.
    借助电子计算机计算与分析了NEPE固体推进剂的能量水平,研究和比较了组分的含量与不同配比对推进剂配方标准理论比冲I(ss)~°值的规律性影响。
  27. Solid fuel ramjet has advantages of simple structure, high specific impulse and self-adapting.
    固体燃料冲压发动机具有结构简单、比冲高且能够自适应工作等优点。
  28. Hall thruster, with the advantages of high efficiency, high specific impulse, has been widely used in the location maintainment of the satellite and attitude control.
    霍尔推力器具有高效率、高比冲的优点,在卫星的位置保持和姿态控制中得到了广泛应用。
  29. Because of the high specific impulse, the finite thrust propulsion system increases the mass percentage of payloads, economizes the cost of missions and adds the scientific gains.
    有限推力推进系统因其高比冲极大增加了有效载荷的质量百分比,节约了任务成本,增大了科学回报,但同时也对轨道优化技术提出了新的要求。
  30. MEMS colloid thruster array can meet the thruster index requirements of small size and high specific impulse.
    MEMS阵列式胶体推进器具有体积小,比冲高等特点,能够满足微卫星发展需求。