这样的结构具有中性浮力,使得鹦鹉螺能够靠后推力移动(像枪乌贼一样)。
The result had neutral buoyancy, allowing the animal to move (like squid) by jet propulsion.
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.
应用有限元方法对某多缸内燃机机体在活塞推力作用下的结构动力响应进行了分析。
The structural dynamic response of a certain multi? cylinder internal combustion engine block is analyzed applying finite element method.
结果表明,弹体旋转对超音速射流元件内部流场结构几乎没有影响,而对姿态控制发动机的控制推力大小和方向的影响不容忽视。
The results show that the missile rotation has hardly effect on inner flow field structure of SFE, but some effects on the control thrust of attitude control motors both in magnitude and in direction.
在文中所研究的引射燃烧室结构条件下,存在一个最佳二次喷管出口面积,它能使引射火箭的推力达到最大。
There exists an optimal exit area of secondary nozzle to result in a maximum thrust of rocket ejector in the light of the investigated ejector chamber structure.
建立了磁悬浮推力轴承结构参数优化设计数学模型。
The optimization design model is established for structural parameters of magnetic thrust bearings.
介绍了发动机的本体结构、实验系统、参数测量系统及小推力测量系统。
The structure of arcjet, experimental system, measurement system and the small thrust measurement system were introduced.
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.
支墩的功能被吸收推力从教会的主要部分,严重威胁到结构是在强风期间。
The function of buttresses was to absorb thrust from the main body of the church, a serious threat to the structure during high winds.
单边直线感应电机(SLIM)因结构简单牢固,直接产生前进的电磁推力,在交通中得到广泛应用。
The SLIM has been widely applied in transportation for its simple-firm structure and its directly forward electromagnetic thrust.
针对典型的层板发汗冷却结构,提出了利用一个推力室的实验数据来计算另一推力室所需发汗流强的方法。
A new calculation method was proposed for the typical structure of the platelet transpiration flux in the rocket thrust chamber based on the test data of another chamber.
介绍双托盘支承钨金瓦推力轴承的结构特点及其主要试验结果。
The structure feature and main testing results of thrust bearing with double-disk supporting babbit pads is presented in this paper.
基于结构参数,采用简洁的直线电机推力模型,建立了平台的动力学模型,并通过仿真和扫频实验对所建模型加以验证。
Finally, based on the structural parameters and the simple force model of the linear motor, the dynamics models of the stage is built and verified using simulation and sweep testing.
球面辊子推力轴承结构简单,对环境要求相对比较低,但寿命较短。
Roller type thrust bearing can give simple design structure and easy to maintain and lower requirement of it's lubrication condition, but give shorter using life comparatively.
推力锥产品存在深腔、薄壁结构,锻造工艺过程中壁厚差难以控制。
Thrust cone has deep cavity and thin wall. Wall margin is hard to control during the forging process.
负载推力观测器和扰动前馈补偿的设计有效地削弱了变结构控制产生的抖振。
The chattering of the VSC system is effectively minimised by designing a load thrust observer and a disturbance feed forward compensation.
以某体育馆钢屋盖结构为实例,论述了折板网壳结构的选型、受力特点、水平推力的处理方法和模态分析。
The folded plate latticed shell is a new type of lattice space structure, having merits of both folded plates and spatial lattice structures.
相反,研究人员正在使用自然生物学的设计,例如,在一个结构组件包中,利用拍动的翅膀提供上升力,推力,以及稳定性。
Instead, researchers are using natural biological designs, such as flapping wings, to provide lift, thrust, and stability in one structural package.
研究的结论可以为推力矢量发动机及燃气舵的结构设计提供直接的参考。
Therefore, this research would provide a instructive reference straight for the structure design of thrust-vectoring motor and jet et vane.
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.
德国M.A.N。推力制动器的结构特点及故障处理。
Structural Characteristic of German M. A. N. Brake Thrustor and Solutions to Failures.
本发明特点:利用锥螺杆推力挤压的结构原理。
This invention distinguishing feature: Utilize the awl stud thrust press composition rule.
文中介绍了电磁推力18公斤直线感应电动机的设计原则、电磁参数、重要尺寸的选择及结构特点。
This paper introduces the motor with electricmagnetic push-force 18 kg, about design principle, electromagnetic parameters, choice of basic dimensions and construction feature.
液体火箭发动机发汗冷却推力室的结构层板可能出现受热皱损。
Heat transfer possibly results in the thermal wrinkling of transpiration cooling platelet of the liquid rocket engine (LRE) 's thrust chamber.
文中研究了一种基于DSP的永磁同步直线电机直接推力控制策略,并给出了该系统的硬件结构和程序流程图。
This paper applied direct torque control (DTC) tactics base on DSP to permanent magnet synchronous linear motor, gived the hardware structure and the software diagram of the system.
良好推力调节,具有焊条防黏功能,适用于各种刚结构焊接。
Fine arc force adjustment, can prevent electrode sticking. Applicable for welding of each steel structure.
该推力锁具有运动自如,零件数量较少,结构简单,使用方便,加工工艺简单,成本较低等优点。
The thrust lock moves freely, and has the advantages of less parts, simple structure, convenient use, simple processing technology, low cost, etc.
隔河岩水电站推力轴承为小弹簧多点支撑结构,钨金瓦面。
The thrust bearing of Geheyan hydroelectric power station is supported by many small springs, babbitt thrust pads.
该文设计了化学微推力器的结构,研究了微推力器的装药方法和推力的测试方法。
In this paper, the Micro chemical Thruster's structure was designed and loading method of propellant and test method of thrust were investigated.
该文设计了化学微推力器的结构,研究了微推力器的装药方法和推力的测试方法。
In this paper, the Micro chemical Thruster's structure was designed and loading method of propellant and test method of thrust were investigated.
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