给出了确定滑移面的方法,除了介绍用传递系数法计算滑坡推力外,还给出了综合考虑极限平衡理论和安全系数的计算方法。
According to limit equilibrium theory and safety coefficient method, the calculation methods of landslide thrust forces are put forward, together with the transmitting coefficient method.
根据推力轴承磨损规律和可靠性理论,导出了推力轴承磨损的可靠寿命计算的数学模型。
Based on the wear law and reliability theory of the thrust bearing, the mathematical model of reliability life calculation on the wear of the thrust bearing is derived.
本文采用理论分析、数值模拟与实验相结合的方法对合成射流流动机理及推力向量控制中的应用进行研究。
In this paper, the flow mechanism and the applications of thrust vectoring using synthetic jet are studied in theory, numerical simulation and experiment.
在国内RBCC研究中首次从理论上获得了具有较高推力增强的RBCC引射模态方案,对开展RBCC引射模态研究有重要意义。
It is in the first time in domestic RBCC researches that the RBCC configuration with relatively higher thrust augmentation in ejecting mode is obtained.
本文这些分析为进一步进行推力计算、控制线路设计提出了理论依据。
The analyses in this paper offer the theoretical basis for the advanced calculation of thrust and design of control circuitry.
与这样的压力比5,由此产生的推力是约60 %的最高理论。
With such a pressure ratio of 5, the resulting thrust is about 60% of maximum theoretical.
推力拖尾所延续的时间也比理论所预计的长。
The thrust tail duration is also longer than predicted by theory.
利用极限平衡理论,采用传递系数法,计算膨胀土滑坡推力和桩前剩余抗滑力。
By adopting limiting equilibrium theory and transport coefficient method, landslide pushing force and residual anti-slide force before pile are calculated.
本文对变推力液体火箭发动机的脉宽采样数字控制系统进行了理论分析和实验研究。
A pulse width sampled-data control system for a variable thrust liquid rocket engine is studied both theoretically and experimentally.
利用极限平衡理论,采用传递系数法,系统地给出了滑坡推力和桩前剩余抗滑力的计算方法。
From the model, the landslide thrust and remanent sliding resistance behind the piles can be calculated with the limit equilibrium theory and coefficient of transmission method.
应用最优控制理论,提出一种最佳快速转弯控制律,能在推力矢量控制下消除终端时刻垂直于初始视线方向上的速度分量。
Using the optimal control theory an optimal control law of agile turn is proposed enabling to eliminate velocity component in vertical director of initial sight under thrust vector control.
采用材料力学的梁理论,应用力法分析方法,计算出热膨胀导致的推力和弯矩。
Trust force and bending moment result in heat expansion are calculated by adopting beam theory of mechanics of materials and applying force component analysis method.
以上轴承的试验研究及理论推导为径向—推力联合浮环动静压轴承的进一步研究和工程应用奠定了基础。
All above, the test and the theoretical research formed the basis of practical application for the radical-thrust floating ring hybrid bearing.
轴向推力和功耗是影响双螺杆磨浆机可靠性的重要因素,目前尚无理论计算方法。
The axial force and power consumption are important factors of affecting reliability of twin screw pulping extruder, at present there are no theory calculation methods about them.
滚动轴承的理论旋转轴心线,对向心轴承即内圈轴心线,对推力轴承则指轴圈轴心线。
Rolling theoretical rotation axis line of the inner ring to the center axis line of bearings, thrust bearings on the shaft circle refers to the axis line.
理论的运作:一火箭发动机推力对一个充满水的注射器,这产生的压力读数,就一连接压力计。
Theory Of Operation: a rocket engine thrusts against a water filled syringe. This produces pressure readings on a connected pressure gauge.
本文提出一种外径密封的螺旋槽推力轴承新结构,并利用螺旋槽近似理论对该轴承进行了分析计算。
This paper deals with a newly designed spiral-groove thrust bearing, with a slit seal around it. By the approximate theory of spiral-groove bearing, this new type bearing is analysed.
价值的推力系数是看到略有上升随着时间的推移,与理论断言,这是一个薄弱的功能压力。
The value of the thrust coefficient is seen to rise slightly with time, consistent with the theoretical assertion that it is a weak function of pressure.
分析了推力—拉力理论在分析人口迁移过程中的作用。
At last, the push and pull theory is introduced in this part.
对适合直线电机直接推力控制的方法进行理论分析和实验研究。
Direct thrust force control method for the linear motor in theory and experiment has been further studied.
本文在理论计算分析和试验研究的基础上提出了提高无控火箭密集度的一个途径,即阶梯推力方案。
On the basis of theoretical calculation analysis and experiment research, the paper proposes a new raising non-con-control rocket distrubution way. which is a step propulsion plan.
同时也分别从推力计算和刚体极限平衡条件推导了基于摩尔-库仑理论的传递系数折减法。
Also the Mohr -coulomb theory of the transfer coefficient reduction method is derived based on thrust calculation and the rigid body limit equilibrium separately.
通过理论分析和试验结果表明,该反向喷管的结构可靠性和反向推力效率较高。
Theoretical analysis and experiment results prove that the structure is more reliable and reverse thrust is more efficient.
价值的推力系数是看到略有上升随着时间的推移,与理论断言,这是一个薄弱的功能压力。
Thee value of the thrust coefficient is seen to rise slightly with time, consistent with the theoretical assertion that it is a weak function of pressure.
利用非线性规划理论建立了脉冲推力能量最省的逃逸轨迹规划模型,并考虑非球形摄动的影响对模型进行了修正。
By using the nonlinear programming theory, a optimal impulse satellite evasive trajectory planning model considering earth oblateness perturbation had been established.
从而从理论和实践上证实了这种轴承系统适用于受有较小推力载荷的悬臂支承轻载高速机械。
It is verified by both theory and practice that this rotor-bearing system, to which small thrust load is applied, is suitable for small load and high-speed machine with cantilevered end.
从理论上分析了离心泵推力平衡装置产生磨损的原因,并提出了可行的解决办法。
The wear reason of trust balance device of Centrifugal pump is analyzed theoretically. A workable Solvent is put forward.
采用QFT理论设计了某型飞机的纵向着陆控制律,并应用了推力综合控制稳定飞机下滑时的速度。
In this paper a longitudinal robust automatic landing control law was designed by QFT approach combine with thrust controls.
本文详细介绍了江都四站推力瓦的烧损情况,并对烧损的原因进行了理论分析。
Details of burning accidents of Jiangdu forth pumpimg station are described and theoretic analysis of the cause is given in this paper.
分析矢量控制时,端部效应对永磁同步直线电机电磁推力谐波分量的影响,通过直线电机和旋转电机的实验数据比较,证明了理论分析的正。
The paper analyzes the force harmonics of the permanent magnet synchronous linear motor considering the end effects while the vector control technology is applied.
应用推荐