Test Studies of Underwater Thrust Vector Control Performance

First, an expert system of fault diagnosis is set up by summarizing symptoms and their direct reasons for axial displacement fault and by combining them to the tilting pad thrust bearing performance.

首先总结了轴位移故障的特征和导致故障的直接原因，将它们和可倾瓦止推轴承的性能相结合，组成一故障诊断专家系统。结果：酶切、PCR及测序鉴定证实，pAd。

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The study indicates that the thrust performance of bell nozzle is apparently lower than that of trumpet and conical nozzle because of the influence of circumfluence region in the diverging section, while the difference of thrust performance between conical nozzle and trumpet nozzle is insignificant.

研究结果表明钟形微喷管因扩张段回流区的存在，其推力性能明显低于喇叭形和锥形微喷管，锥形微喷管的推力性能同喇叭形微喷管较为相近。

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At first, the collectivity project of the exoatmosphere kinetic-kill vehicle is specified, the motive model of the exoatmosphere kinetic-kill vehicle and target are constructed, and the thrust performance of trajectory-control engine and attitude-control engine are presented.

首先确定了动能拦截器的总体方案，分别建立目标运动和动能拦截器运动的数学模型，以及轨控和姿控发动机的推力模型。

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At first, the rolling missile model had been established by referring to the figuration dimension of PAC-3. The motion model and dynamics model of the rolling missile was constructed, and the thrust performance of attitude control system were presented.

首先以爱国者&3的外形尺寸为参考建立本文的研究工作所需的导弹模型。建立了滚转导弹运动学和动力学模型，以及姿控发动机的推力模型。

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The low Reynolds number effects and three-dimensional effects of the micro-nozzle flow are emphasized in this work. Moreover, the influences of nozzle geometries and operating conditions on the flow field and thrust performance are discussed.

重点分析微喷管流的低雷诺数效应和三维效应，并研究了喷管外形和工作条件等对流场结构和推进性能的影响。

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When the convergence and divergence angles of nozzle are fixed, thrust performance is affected by the length of divergence while the flow structure is not so sensitive.

微喷管收缩角、扩张角给定时，其扩张段的长度仅影响推进性能，对流场结构影响较小。

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Within entire missile speed range, these technologies not only improve thrust performance by regulating nozzle flow, but also realize missile direct thrust control through constructing vectored thrust.

在导弹飞行全速度范围内，既可实现冲压喷管流量调节，大幅提高冲压发动机高速巡航性能，又可构造出矢量推力，用以实现导弹飞行的直接力控制。

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The motion model and dynamics model of the rolling missile was constructed, and the thrust performance of attitude control system were presented. 2.

建立了滚转导弹运动学和动力学模型，以及姿控发动机的推力模型。

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Computation of the thrust performance of axisymmetric nozzles

轴对称喷管推力特性的计算

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Simulation and Experiment of Thrust Performance for Solid Rocket Motor with Angle-cut Nozzle

斜切喷管固体火箭发动机推力特性仿真与试验

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A new type thrust bearing with giant magnetostrictive micro-displacement actuator was designed which can adjust the clearance between thrust disc and pad automatically, and the test bench was established for the testing of the thrust bearing.

利用超磁致伸缩微位移驱动器微位移驱动器设计了一种新型结构的可自动调节间隙的止推油膜轴承，并建立了用于测试该新型轴承的止推轴承实验台。

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The measuring results make clear that the changing trends of friction coefficient of the thrust bearing, water film thickness, pressure distribution, and temperature distribution of the thrust pad are consistent with the theoretical results, which also have better attested the conclusion of the theoretical analysis.

试验测试结果表明：摩擦系数变化趋势，水膜厚度、压力分布，以及推力瓦温度分布状况等，与理论计算结果基本一致，较好地验证了理论分析所得到的结论。

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The result shows that the method can compute lubrication parameters of sector thrust bearing pad under the different working conditions, realize prediction of lubricating characteristics of sector thrust bearing pad, and it provides reference for actual design and performance study.

对不同工况下扇形推力轴瓦润滑参数进行计算，可以实现扇形推力轴瓦润滑性能的预报，计算结果可供扇形推力轴瓦设计和润滑性能研究作参考。

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That the temperature of thrust bearing pad exceeds the alarm temperature designed for unit No. 1 at Yele Hydropower Plant impedes the normal operation of the unit.

冶勒水电站1号机组在试运行过程中推力轴承瓦温超过设计的报警温度，无法继续运行。

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Numerical Analysis of Lubricating Characteristics of Sector Thrust Bearing Pad

扇形推力轴瓦润滑性能的数值分析

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This paper analyzed the main factors Which affected the oil film thickness of EMP thrust pad, giving the general equation of oil film thickness.

分析了影响EMP轴瓦表面油膜厚度的主要因素，给出了油膜厚度的一般表达式，实验证明：弹性金属塑料瓦必须进行瓦面修型；

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Affects of Rotor Magnetic Field Center Deflection and Rotor Pole Center Suspending Difference to the Pressure on Thrust Pad in Large Synchronous Machines

大型同步电动机转子磁场中心安装偏差及转子磁极中心挂装高程差对推力瓦受力的影响

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Numerical analysis and calculation on sector thrust pad of marine water-lubricated thrust bearing Numerical Calculation Method for Resistance of Ship with Different Floating States

船舶水润滑推力轴承数值分析与计算船舶几种浮态下阻力的数值计算方法

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Optimal Design for the Pivot of Thrust Pad Bearing

推力可倾瓦轴承支点的优化设计

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Premixed combustion shows better Performance, including extended stable range 、 simple ignition 、 lower heat loss and more powerful Thrust output in catalytic experiments.

实验研究发现，铂催化环境下，微喷管内的预混燃烧表现出了良好的燃烧性能，包括较为宽阔的稳燃范围，良好的点火性能、较低的散热损失以及较高的推力输出等。

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