飞机凭借发动机推力在地面的运动。
Movement of airplane on the ground using airplane engine power.
发动机推力大小为常值，方向可调。
The thrust value is constant and the thrust direction is variable.
假定发动机推力大小为常值，方向可调。
成功制造出带冷却通道的火箭发动机推力室身部样件。
A sample of rocket engine thrust chamber with cooling channels was successfully manufactured by APEF.
提出了一种飞机飞行中发动机推力测定的总推力模型。
A method, "gross thrust model", is developed to determine gross thrust of jet engine and afterburning turbofan engine in flight testing.
无需发动机推力，只需要一个倾斜的坡度就可运输产品。
Roller gravity conveyors move product without motor power by using a slope to convey products. Rollers have spring loaded axles for easy removal or replacement.
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。
As the length of secondary combustion chamber increases, the thrust, specific impulse and combustion efficiency increase respectively.
将电磁悬浮技术用于火箭发动机推力测试试验台是一次新的尝试。
It is a new experience to apply magnetic levitation technique to thrust measurement for rocket engine.
并建立了固体发动机推力模型，以及完整的六自由度弹道动力学和运动学模型。
Furthermore, it builds a thrust model of the solid rocket motor, and presents the whole six-degree-of-freedom kinetic equations and motion equations.
结果显示喉栓能够有效改变发动机燃烧室压力和推力，满足发动机推力控制要求。
Results show that pintle could change the nozzle throat area and thus the motor pressure and thrust, which provided the capability for thrust control.
首先，本文介绍了轨控发动机推力矢量测试原理，及静态标定装置设计方案的选择。
Firstly, measuring principle of the thrust measuring system is introduced, and how to select the design schemes of static calibration.
结果表明：地面和空中最小操纵速度的大小主要取决于工作发动机推力形成的偏转力矩。
The calculating results show the different mainly depends on non symmetric thrust moment formed by the operative engine.
我们这里的讨论，不过，将关注更多的基本方面，这些引擎-尤其是，火箭发动机推力室。
Our discussion here, however, will be concerned with more basic aspects of those engines-in particular, the rocket engine thrust chamber.
建立了单组元发动机推力室系统（包括结构部件如隔热框、催化床、喷管等）的传热模型。
Based on a thermal model of monopropellant thrust chamber system including its components such as adiabatic frame, catalyst bed, nozzle etc.
该装置模拟发动机推力，用标准推力表对工作推力表在测量范围内任意需要点上进行校准。
China, the method of calibrating measuring gauge that measures engine thrust by using weights, lever systems etc has been long used and still finds widespread use.
研究了当飞机常规操纵舵面失效时，通过调节飞机发动机推力大小来操纵飞机的飞行问题。
In this paper, the concept of emergency flight control system which USES the engine throttle to manipulate the aircraft in case of control surface failure is discussed.
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.
研究了一次流参数和二次喷管结构对引射效能和发动机推力的影响，找到了逐步提高推力的措施。
The influence of primary flow and secondary nozzle geometry on ejector effect and thrust was investigated, and the approach to increase thrust of rocket ejector was found gradually.
最后讨论了飞机的起飞质量，发动机推力、起飞迎角、襟翼偏角和甲板风航迹等对弹射起飞性能的影响。
Finally, a brief discussion is present about the influence of the airplane gross weight, the thrust, the maximum Angle of attack, the flap Angle and the wind over the deck on...
并基于某导弹缩比模型进行了实际测试，取得了导弹模型水下发射时发动机推力以及相应的结构壳体应变量等参数。
Practical tests of launching under water have been carried out based on a missile model, and parameters such as driving force of the engine and the structural strain of the model are obtained.
推力测试台架是准确测量火箭发动机推力的关键技术之一，但现有的测试台架能够很好兼顾长、短脉冲测试的较少。
Thrust test-bench is one of the key technologies for accurate measure of rocket engine thrust. But test-benches that can compromise with both long and short burst measurement are quite few.
并指出，随着研究工作的深入，该项技术还可望用于高马赫数飞行体表面气体流动控制、火箭发动机推力方向控制等。
Along with the deep development of study, the microjet technology will be possibly applied to control the aerodynamic flow of the high speed aircraft surface and the thrust vector of rocket engine.
重点介绍了一种用于测量火箭发动机推力矢量的压电式测试系统，并设计了对测试系统进行静态标定和动态标定的装置。
A piezoelectricity measuring system used for measuring rocket thrust vector is introduced. A devices to static accomplish, calibration and dynamic calibration on the system is designed.
发动机工作性能对火箭飞行性能的严重影响已引起众多研究人员的重视，尤其是火箭发动机推力总冲及其工作时间等重要参数。
The severe influence of the rocket engine property, especially its total thrust impulse and work time on the rocket flight performance has aroused great attention among technological workers.
本文的主要工作面向液体火箭发动机设计CAD技术，并选择再生冷却式液体火箭发动机推力室设计CAD技术研究作为方向。
This paper mainly focuses on CAD of LRE design, and present studies on CAD technique of recycled cooling LRE combustion chamber.
但调查人员发现，这起事故有可能是一个严重的非对称推力（具体指两台发动机推力不同）问题造成了左滚，导致飞机失去控制。
The investigators found that the circumstances of this accident indicate that a severe asymmetric thrust condition caused a left roll that led to loss of control of the airplane.
同时采用小扰动法推导了俯仰通道和滚动通道的简化模型，为空气动力和姿控发动机推力复合控制系统进行初步设计提供了依据。
What′s more, according to the method of little disturbance, the simplified model of pitching and rolling plane is derived, so preliminarily combined control system can be designed.
咆哮着的喷气发动机推力反向器当大型MD-11型喷气式飞机着陆时,咆哮着的发动机推力反向器开始减速,然后转向停靠在一排泛光灯照明大楼前的货车。
Roaring thrust-reversers rapidly slow the giant MD-11 jet as it touches down on the runway before turning to taxi towards a sprawling floodlit building.
传统的冲压喷气发动机使用液体燃料并与大气中的空气混合燃烧，以提供高速飞行的推力。
Ramjet engines have traditionally used liquid fuel which is mixed with atmospheric air and burned to provide thrust for high-speed flight.
传统的冲压喷气发动机使用液体燃料并与大气中的空气混合燃烧，以提供高速飞行的推力。
Ramjet engines have traditionally used liquid fuel which is mixed with atmospheric air and burned to provide thrust for high-speed flight.
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