应用有限容积法对发动机排气管系中的气体流动作模拟计算。
FVM method was applied to simulate the unsteady gas flow in manifold of diesel engine.
某发动机用GH4169合金涡轮轴转动锻件由轴部和盘部两部分组成，考虑采用两步锻造法进行生产。
A two-step forging approach was taken in the production of GH4169 turboshaft of an engine, which was an integration of a disk and a shaft.
利用有限元法分析KE495发动机曲轴的内部应力分布状态，得出原曲轴结构的不合理之处。
The finite element method is used to study the internal stress distribution condition of the KE495 engine crankshaft, then the unreasonable design of the original crankshaft is known.
传统的振动分析常采用傅立叶分析法，对于柴油发动机某些非平稳振动信号，傅立叶分析可能给出虚假的结果，从而导致错误诊断。
As for some of the unsteady vibration signals of diesel engine, false result may be provided by using Fourier analysis, thus error diagnosis would be induced.
首先采用集中参数法，建立了挤压式供应系统的液体火箭发动机各部件的静态及动态数学模型。
Firstly, the static and dynamic mathematic model of the Liquid Propellant Rocket Engine of pressure-fed providing system was established in centralized parameter method.
铝基钢带是一种理想的汽车发动机轴瓦材料，目前我国仍采用块式法生产。
Steel strip of aluminum base is a kind of ideal material for automobile engine which is still produced by block-type method in China.
运用声强测试技术的双传声器法原理，对一台车用汽油发动机在半消声室内进行了声强测量。
Based on "two-microphone" method, a sound intensity measurement was carried out towards a vehicle four-stroke gasoline engine in a semi-anechoic room.
提出了电容法测量发动机叶尖间隙的方案。
Finally a scheme of engine's tip clearance measurement by capacitance method is given.
本文探索了一种低散热发动机陶瓷表面传热的实验研究方法—表面温度法。
An experimental researching method-surface temperature method for heat transfer on ceramic coat in low-heat-rejection engine was developed.
本文建立了汽油发动机油在用油极性组分的分析方法，即硅胶-离子交换色谱法。
A silica gel-ion exchange chromatography has been developed for the analysis of polar components in the used gasoline engine oil.
采用温度记忆螺钉法对桑塔纳汽车发动机活塞顶部与裙部温度进行了测定，分析了测试结果，并与有限元计算所得结果进行了比较。
The temperature of top and skirt of the piston of SANTANA engine is measured by using temperature memory screw, the results are analyzed, and agree with the calculated results of FEM.
根据物理上直观的拉格朗日法，分析了交变流动发动机中回热器内代表性气体微团的热力过程和循环。
The thermodynamic processes and cycles of some characteristic gas parcels in the regenerator in a cyclic flow engine are analyzed thoroughly in Lagrangian's view.
基于不可压和近似不可压粘弹性有限元法，对固体火箭发动机药柱进行了三维分析。
Three-dimension analysis of solid rocket motor grain was presented based on incompressible and nearly incompressible viscoelastic finite element method.
该方法按照预定的计算顺序，对发动机系统的各个部件进行迭代计算，采用拟牛顿法求解系统可调变量。
The components of the engine system are calculated iteratively in a predetermined sequence, and a modified Newton method is used to find the unknown variables of the system.
研究分析电控发动机转速传感器、喷油器波形变化与发动机起动故障特征的内在联系，从而运用波形分析法快速准确诊断电控发动机的起动困难故障。
The starting failures of electronic-controlled engine can be diagnosed quickly and correctly by analyzing the internal relation between the waveform change and the characteristic of the failures.
基于振动系统质量周期法，设计了一种测试发动机质量参数的双簧倒立摆试验台。
Based on the mass-period method, a measuring device named double spring inversion pendulum was designed, which could measure the center of mass and moment of inertia of an engine.
利用高温云纹干涉法对航空发动机叶片定向结晶材料的高温蠕变进行了测试，获得该材料不同主方向的高温蠕变性质和规律。
The high temperature creep deformation of certain material used in aerial engines lamina was detected by means of high temperature moire interferometry in this paper.
介绍了一种发动机无外载功率检测系统的软、硬件设计，利用测频法测量出某一时刻的瞬时速度，并利用最小二乘法求出角加速度。
By the method of frequency measurement, instant rotational speed is measured in the test system, angular acceleration is calculated by using the feature of the MCU with the least square method.
从理论上论述了采用新的缸盖螺栓拧紧法对发动机缸盖装配的重要性。
It also expounds importance of using new cylinder-head bolt tightening methods to assembly of cylinder-head.
本文还讨论了整台发动机台架试车的参数测毽力法，根据流场特点合理布置测点，适当处理数据，获得较精确的发动机平均参数等方面的问题。
Accurate average parameters of engine can be obtained through proper layout of measuring points and appropriate data processing according to the features of the flow fields.
以某一四缸发动机的结构改进为例，阐述了模态分析法的实际应用。
Taking the structure improvement of a four cylinder engine as an example, the application of simulation mode analysis in the practice is described.
论述了风冷发动机冷却风扇的试验法和用无因次特性系数法制取风扇特性曲线的方法。
This paper describes the methods of fan testing and making fan property curve by dimensionless characteristic coefficient for the cooling fan of air-cooled engines.
主要介绍在加工发动机曲轴斜油孔时，用解析法计算曲轴装夹时所倾斜的角度。
This article introduces mainly calculation of a slanting Angle of crankshaft clamping with the analysis method in machining crankshaft oblique oil hole.
点火控制算法基于极坐标的形式，该法可充分利用脉冲矢量发动机，且可灵活控制直接力的指向。
Ignition control algorithm is based on the polar coordinates, which can take full advantage of the motors, and regulate the direction of the direct force.
对脉冲爆震发动机的热力循环过程应用特征线法作了一维流场的数值模拟。
Numerical simulation in one-dimensional unsteady flow of thermal dynamic cycle process in PDE is presented by the characteristic method.
用固体火箭发动机中常用的瞬态平衡压强法对烟火剂式点火器内弹道性能进行了理论预示，并提出热损失系数的概念。
Instantaneous equilibrium pressure method is used in this paper to analysis the internal ballistics of pyrogen-type igniters. A concept of igniter heat loss coefficient is also presented.
结果表明：采用涡轮流量法计算某型发动机燃烧室温度的结果比采用压气机特性法得到的计算结果更接近实际结果。
The results show that the combustor temperature calculated by the turbine flow method is more practical than results calculated by the compressor characteristics method.
基于粘弹性随机有限元法（VSFEM）和多项式回归模型，分析了固体火箭发动机药柱结构的随机参数灵敏度。
Stochastic parameter sensitivity of SRM grain structure was analyzed based on viscoelastic stochastic finite element method(VSFEM) and polynomial regression model.
基于粘弹性随机有限元法（VSFEM）和多项式回归模型，分析了固体火箭发动机药柱结构的随机参数灵敏度。
Stochastic parameter sensitivity of SRM grain structure was analyzed based on viscoelastic stochastic finite element method(VSFEM) and polynomial regression model.
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