活塞运动

基于Pro/E的内燃机活塞运动分析

The Analysis of Internal-combustion Engine Piston Motion Based on Pro / E

膜片宽活塞运动范围是有保证的高刚性碳纤维制成的圆锥感谢。

DIAPHRAGM A wide piston motion range is assured thanks to a cone made of highly rigid carbon fiber .

液压驱动往复泵活塞运动特性分析

Kinematical characteristic analysis of piston in hydraulic - drive reciprocating pump

弱引力场中活塞运动的球对称解

The SPHERIC-SYMMETRICAL solution of a piston moving in weak field of gravitation

根据活塞运动规律，推演出二冲程发动机各气口时间截面等参数的计算公式，并给出了通用计算程序。

Deduces the calculation formulas of the two-stroke engine port time-area respectively .

内燃机活塞运动历程的计算和分析

Analysis and Computation on Movement of Diesel Engine Pistons

满足这一要求的活塞运动曲线有多条，本文论述了一条无冲击运动曲线；

There are several motion curves for the pistons satisfying the abovementioned requirement .

弱重力场中的平面活塞运动

The Plane Piston Problem in a Weak Gravitational Field

一整晚躲在衣柜里看人活塞运动的人还说我。

From a man standing in a closet watching people hump all night .

磁流变液的流变学性质研究内含加热工质的气缸中活塞运动的最优控制

Optimal Control of Motion for a Piston inside a Cylinder Containing Heated Working Fluid

气动发动机活塞运动轨迹的优化设计

Optimal piston trajectory design of air powered engine

该模型引入了排出器与压缩活塞运动对另一方运动产生的阻尼，从而将排出器与压缩活塞的运动连接起来。

The model connects piston and displacer by the damping factors due to interactive motion .

根据对活塞运动的分析，得出气动伺服系统重要的速度特性。

According to the analysis of piston movement , the important velocity characteristic has been achieved .

介绍一实现气缸活塞运动速度两段化的气动系统。

A pneumatic system with different piston speed in the same working distance of a cylinder is introduced .

火药气体作用时期活塞运动诸元的数值解法

A Numerical Method for Calculating the Piston Movement Data of Gas Operated Weapons during the Act of the Powder Gas Pressure

采用宾汉模型计算了阻尼力随激励电流、活塞运动速度的变化。

The change of damping force with stimulation current and the piston velocity was calculated by means of the Bingham model .

电热镦粗成形过程的工艺参数主要包括镦粗缸活塞运动速度、砧子缸活塞运动速度、镦粗压力、加热电流和预热长度等。

The process parameters of electric upsetting include : velocities of upsetting cylinder and anvil cylinder , heating current , preheating length and time , etc.

本文从平面活塞运动的发声机理出发，研究了次声发生机理，建立了次声场的数学模型；

In this paper , the mechanism of infrasonic radiation is studied and mathematical model of infrasonic field is established based on plane piston radiation mechanism .

基于天棚原理的高速列车半主动减振器中，为实现对实际安装减振器阻尼系数的计算和调整，需方便、准确地测量活塞运动速度。

In the semi-active damper of high-speed train , piston 's velocity should be measured conveniency and accurately for succeeding in calculating and adjusting the damp parameter .

方程的离散采用随活塞运动的可伸缩差分网格，通过在控制容积上积分控制方程得到有限差分方程。

The equations are discretized on meshes which expand and contract with the movement of piston . The finite difference equations are obtained by integrating equations on control volumes .

为缩短落板时间，保证分隔板与压缩活塞运动不干涉，设计了弹射式插板，并对其运动规律进行了推导。

In order to reduce falling-board time and ensure non-interference of movement between separation board and compressive piston an eject utensil style inserter was designed its movement was regulated .

通过对液体阻尼器在高斯白噪声激励下的运动分析，建立活塞运动微分方程。

This thesis introduces the establishment of dynamic differential equation of the piston motion through dynamic analysis on the response of liquid damper under the Gauss white noise excitation .

根据活塞运动的三段分析法导出了用抽象设计变量α表示的运动学参数表达式，并以此为基础，系统研究了液压冲击机构各个组成部分的设计方法，导出了所有重要结构参数的设计计算公式。

A series of formulae , which denote the kinematic parameters with the abstract design variable a , are derived according to the three-staged analysis method of the piston motion .

利用压缩空气的压力能推动活塞运动，使之转化为机械能，使曲轴转动，从而驱动车辆行驶，实现零污染排放。

Use the compressed air to push the piston , transfer pressure energy into mechanical energy , turns the crankshaft , thus driving the vehicle is in motion , no emissions .

减小阀组的阀芯质量和黏性阻尼系数可减小阀芯运动与活塞运动之间的相位差，提高系统容积效率；

Reduction of the spool moving mass and viscous damping coefficient minifies the phase offset between the spool and the piston movements and leads to the increase of system volumetric efficiency .

试验测得的活塞运动特性曲线较好地反映了活塞运动的变化规律，试验结果与理论分析基本一致。

The kinematical characteristic curve measured reflects well the variation law of the motion of the piston , and the test results are the same as the theoretical analysis on the whole .

可同时测取4～8点温度值，不受活塞运动状态及引线机构的影响，系统最大累积误差小于6℃。

It can measure temperature of 4 ￣ 8 points simultaneously , without influence from the movement of piston and the cable system . Its maximum accumulated error is less than 6 ℃ .

考虑描述自动机气筒压力变化规律和活塞运动规律的控制方程中各变量的随机扰动，提出了求解随机微分方程组的数值解法。

The variables which describe the change of gas pressure in the cylinder and the movement of piston were considered to be random . The numerical solution of random differential equation was given .

介绍了研制的双缸双作用液压驱动往复泵的组成及工作原理，并对液压驱动往复泵的活塞运动特性进行了理论分析和试验研究。

The design features and operating principle of the double-cylinder double-acting hydraulic-drive reciprocating pump are introduced , and a theoretical analysis and experimental study of the kinematical characteristic of the pump piston are carried out .

排气行程：活塞运动到汽缸的下止点，排气阀打开，空气和燃料构成的混合气体燃烧后产生的废气由排气系统排出。

Exhaust stroke : After the piston reaches the bottom of the cylinder , the exhaust valve opens and the gasses left over from the fuel and air are sent out to the exhaust system .