In order to improve complex shape piston productivity computer integrated manufacturing system (CIMS) technology is pres......

活塞作为发动机动力单元的主要组成部分，在动力传输中处于关键核心位置。其结构强度，理论相对疲劳寿命直接影响发动机整体的寿命，对其......

为探明铝制活塞在爆燃等非稳态热环境中材料表面初始损伤机制,本研究通过调整加热环境,对经T6热处理的铸造Al-Si-Cu合金进行了从室......

The process of DTH(down-the-hole) hammer drilling has been characterized as a very complex phenomenon due to its high no......

The improvement of lubrication of piston ring-cyinder liner is always in demand, andsurface roughness behaviour plays a ......

A CrN coating was deposited on the piston pin material 20CrMo. The tribological properties of 20CrMo and CrN coating aga......

This paper analyzes the phenomenon of rebound impact and its negative influence on the present hydraulic breaker. To get......

To investigate the dynamic characteristics and damping theory of the passive hydraulic engine mount(PHEM),numerical pred......

The development of a two dimensional numerical wave tank (NWT) with a rocker or piston type wavemaker based on the high ......

NIM recently announces its research on subsonic monitoring and measurements through laser piston generator device reachi......

In order to conduct effective reliability analysis of retracting actuator with multi-state(success state,safety failure ......

The δ~(18)O value is mainly controlled by δ~(18)O value of paleo-ocean water and the water skin temperature. The pist......

In order to improve the properties of Ni-rich(2.5wt.%) Al-Si piston alloy, electric pulse modification was applied in fa......

通过对轮机工程中的推进系统、主机、燃油系统、滑油系统、通气系统、冷却系统,启动空气系统和压载水系统的管理等作介绍,结合图例......

A novel fiber Bragg grating(FBG)pressure sensor with the enhanced sensitivity has been demonstrated.A piston-like diaphr......

The development of phased-array grating compressor is a crucial issue for high-energy,ultra-short pulse petawatt-class l......

The Gudao and Gudong oil fields are non-compartmentalized structural regime. On the base of thesummarization of the mai......

We demonstrate experimentally the application of a phase error detection method in the coherent beam combination (CBC) o......

Based on experiments of true micromodels of sandstone, the microscopic manner of water displacing oil and the formative ......

In the “Industrial Policy of the Motor Industry” which was published on Feb. 19, 1994, the Chinese Government focuses......

The Indonesian Archipelago provides important heat transport pathways of the Western Pacific Warm Pool between the nort......

Currently the extruded effect,roughness to the lubricant shear thinning,temperature changes and other factors or some co......

The influence of the resonator shape on nonlinear acoustic field in a thermoacoustic engine is studied.The resonator of ......

Air-driven boosters are widely used to obtain high-pressure gas. Through analysis of the boosting process of an air-driv......

Experimental investigation was conducted to investigate the impingement heat transfer performance of a synthetic jet dri......

Fault detection and diagnosis for pneumatic system of automatic production line are studied. An expert system using fuzz......

In this paper, we mainly analyze the hydraulic impact mechanism of the hydraulic system of the concrete pump. We have an......

It can be beneficial to reduce vibrations in shipboard piping, so the authors designed a new kind of piping damper with ......

本文首先回顾了柴油机燃用重油的历史。随后介绍了重油对活塞的影响和对活塞设计提出的新要求,以及 W(?)rtsil(?)厂所采取的相应措......

The effects of ultra-dispersed diamond (UDD) on the friction force, wear, and temperature of tri-bological pairs have be......

Co-phasing between different sub-apertures is important for sparse optical synthetic aperture telescope systems to achie......

在Golay6结构稀疏孔径光学系统中,通过计算和模拟Golay6结构主镜存在径向平移(piston)误差时的光瞳函数、点扩展函数以及调制传递......

Air cannon is a kind of de-clogging device which produces impulse force by instantly releasing the compressed air deposi......

研究了一种输出流量随时间正弦变化的高压径向柱塞泵。在AMESim软件中建立了正弦泵的仿真模型,对其流量特性和响应特性进行了仿真......

The existing researches of stepless capacity regulation system by depressing the suction valve for reciprocation compres......

Driving a hydraulic cylinder directly by a closed-loop hydraulic pump is currently a key research area in the field of e......

针对额定压力80MPa,额定流量8L/min的超高压水液压柱塞泵的密封结构建立了泄漏模型,对其进行了仿真分析,得到密封间隙大小、接触长......

To bear more loads for heavy truck pistons, the shape of heavy truck piston pinhole is often designed as non-cylinder fo......

The preparation and properties of ceramic short fiber reinforced Al-Si alloy matrix composite and it’s application on t......

In order to shorten the design cycle of the excavator working device, we have proposed a rapid modeling method for the e......

活塞环是柴油机的关键部件之一 ,如果出现故障将严重影响柴油机的性能 .文中介绍了时频分析理论 ,利用时频分析方法对柴油机正常和......

In this work, we make the best use of the vanadium element; a series of Al–V–B alloys and VB2/A390 composite alloys we......

The detailed surface reaction mechanism of methane on rhodium catalyst was analyzed.Comparisons betweennumerical simula......

有关研究表明,影响燃料消耗的两个主要因素是车身的自重和摩擦损失。在一个典型的发动机系统中,摩擦引起的损失超过总功率的40%。......

This paper deals with the coupling problem between the dynamic behaviors and the tribological behaviors of the piston-li......

By measuring the pressure and piston stroke of hydraulic servo cylinders in the oscillation system of a caster mould,fri......

The micro free-piston swing engine(MFPSE)is a new structure,free-piston internal combustion engine.The dynamic model int......

Design for life-time performance and proper maintenance measures are usually needed to prolong the mean-time-between-fai......

Combustion chamber components (cylinder head-cylinder liner-piston assembly-fuel film) were treated as a coupled body. B......

Preliminary design and simulation of a free piston engine suitable for small-scale energy production in distributed ener......