Triple integral expression of the radiation impedance of square piston is deduced and the numerical results of the radiation impedance are calculated with the method of Gaussian numerical integral.
利用高斯数值积分方法，推导了方形活塞辐射阻抗的三重积分表达式，计算了方形活塞声源的辐射阻抗。
Piston, method for manufacturing the same, and cylinder component with the same.
活塞，用于制造该活塞的方法，和设置有该活塞的缸组件。
Based on ideal gas equation, the measurement method of diesel engine piston combustion chamber volume was researched.
应用理想气体状态方程，对柴油机活塞燃烧室容积的检测方法进行了研究。
The calculation method and performance provide important basis for full use of the piston wind.
活塞风的计算方法和特性为活塞风的充分利用提供了重要依据。
This paper by use of perturbation method found asymptotic periodic solution of piston stroke, and found rational periodic for periodic external force.
本文用摄动方法求得了活塞行程的渐近周期解，且为周期性外力求出合理的周期。
Experimental results of impact piston show that the inverse design method is valid.
试验结果表明冲击活塞反演设计法是有效的。
Piston ring excellent in resistance to scuffing, cracking and fatigue and method for producing same, and combination of piston ring and cylinder block.
有提高的抗擦伤性、抗裂性和抗疲劳性的活塞环，和它的生产方法，以及活塞环和气缸体的组合。
The analytical method is obtained by the local flow piston theory plus the strip theory.
该方法是根据当地流活塞理论和片条理论导得的。
This paper presents a finite-volume method for flow characteristics simulation in a combustion chamber with a flat-topped piston during the compression stroke.
本文提出压缩冲程期间计算平顶活塞燃烧室流动特性摸拟的有限容积法。
The result of the study provided important reference to the design and improvement of CAM piston engine, and effective method and experience for new production.
本文的研究结果为凸轮活塞发动机的设计和改进提供了重要的参考依据，也为新产品的开发提供了有效的方法与经验。
At last, fuzzy synthetical judgment diagnosis methods is applied to PCY14-1DB type axial piston pump Experiment and inspection show that this method is pump is validated.
最后用模糊综合评判方法对PCY14 - DB轴向柱塞泵进行故障诊断，试验和拆检结果表明此方法的诊断效果良好。
It introduces the programming method to cutting Revolving piston of equal distance plane on numerical control linear cutting machine by 3b format.
介绍了用3B格式在数控线切割机床上加工等距型面旋转活塞的编程方法。
The experiments about a typical piston indicate that this forecast error control method can increase the turning precision clearly.
典型零件的车削实验表明，该方法能有效地提高非圆活塞裙部的加工精度。
This paper analyses the piston effect problem in dellling shaft sinking method and its detriments. In the meantime, the approaches of solving the problem are proposed by the author.
本文分析了钻井法凿井中所出现的钻井活塞效应问题及带来的危害．提出了解决钻井活塞效应的方向和途径。
This method can be used to analyse the causes of failure of floating piston pin bearings.
运用该方法可以对浮动式活塞销轴承故障进行分析。
The paper describes an overall experimental research on the techniques for measuring the flow ripples of hydraulic piston pumps, according to the practical method for measuring pump flow ripples.
提出了液压泵流量脉动测试的实用近似方法，对液压柱塞泵流量脉动的测试技术进行了系统的试验研究。
It is focused on a new measuring method called partial-thin-wall method for the radial pressure distribution on a piston ring as well as on the theoretical evaluation of its working principle.
着重介绍了活塞环径向压力测量的一种新方法——局部薄壁测量法，并从理论上对这种测定方法进行了分析。
At the end of this thesis, treatise the method to modeling the assemblies, complete the virtual assembly system of horizontal piston pump, give the operation mode about it.
最后，论述了装配体虚拟建模的方法，完成了卧式柱塞泵虚拟装配系统的设计与实现工作。
Because of particularity of structure and material, the piston must be measured by the non - contact method. but, at present there isn ' t mature technique.
由于活塞结构和材料的特殊性，对于它的检测只能采用非接触测量的方法，而目前尚没有成熟的技术。
Segmentation method using decomposition the movement of the piston and the inner gas dynamic process of the impactor, and it detail and demonstrate simulation assumptions of the impactor.
采用分段法将活塞的运动过程和冲击器内部气体动力过程分解，详细阐述和论证了冲击器仿真计算的假设条件。
The tracer CAM of piston ring is designed according to the principle and method proposed in this paper and the computer simulation result of this compensation effect is given.
按照上述原理设计了活塞环仿形靠模，并对其补偿效果作了数字仿真。
The squish patterns in engine piston bowls with different geometry are visualized by the method of oil streak in a motored single cylinder test engine.
本文在一个拖动的单缸实验机上，利用油点条痕法显示了活塞上燃烧室凹坑中挤流运动的流谱，研究了燃烧室形状和几何尺寸对挤流谱的影响。
This article believes that clearance space has the most important effect upon the ventilation of the piston compressor, and introduces the method of measuring and adjusting the clearance space.
认为余隙间隙对活塞式压缩机排气量的影响最大，并介绍了余隙间隙的测量及调整方法。
The simulation results show that the tracking error of middle-convex and varying ellipse piston linear servo drive system can be reduced effectively by this method.
仿真结果表明，采用这种控制策略可以十分有效地减小中凸变椭圆活塞直线伺服驱动系统的跟踪误差。
This paper studies the fracture mechanics of piston crown crack by means of finite element method and photoelastic method.
本文应用有限元法和光弹性试验对活塞顶的裂纹进行断裂力学分析。
The application mechanism, characteristic combination scheme basic and optimization design method of FGMs as piston is discussed.
介绍了作为热障涂层活塞的功能梯度材料的应用机理、材料特性组合方案、依据及优化设计方法。
So, the manufacture method of piston is crucial.
因此，活塞的加工方法至关重要。
Bring forward a new method of whole numeric control processing of the piston ring.
提出了一种新型活塞环全数控加工机床结构方案。
Introduced an analysis method of gray incidence degree analysis and discussed the Application of the method in failure diagnosis of differential piston air compressor.
介绍了灰色关联度分析方法，并论述了灰色关联度分析方法在级差式空压机故障诊断中的应用。
The transient heat transfer process of piston set-cylinder liner system in gasoline engine was researched with direct coupling finite element method (FEM).
采用直接耦合的有限元分析方法对一汽油机的活塞组—气缸套系统的瞬态传热过程进行了研究。
应用推荐