Finally the effect of intake manifold on the volume efficiency of EFI engines is tested on test bench .

最后利用发动机台架试验进行了进气歧管对电喷汽油机 充气 效率的影响的试验研究。

The two-dimensional particle size distribution measurement results can be given by holographic but there are points along the optical path effects and the data volume efficiency is low .

激光全息测量可给出二维粒径分布结果，但存在沿光路积分效应，数据 量大且处理 效率低。

Condition Monitoring and Fault Diagnosis of Gear Pump Based on Volume Efficiency

基于 容积 效率的液压齿轮泵状态监测与故障诊断

Changing the point based on RPM and MAP the tables of volume efficiency and advance spark angle were calibrated when the engine is in the steady state .

基于转速和进气压力，稳态工况下对发动机电控系统各点 充气 效率和点火提前角的标定。

Study on Volume Efficiency and Distribution Evenness of Intake Charge in Multi-cylinder Gasoline Engines

多缸汽油机 充气 效率和进气均匀性研究

The main factors affecting the rotor oil pump ′ s volume efficiency have been analyzed theoretically and the leaky mechanism of the rotor oil pump ′ s gap is discussed .

从理论上分析了影响转子机油泵 容积 效率的主要原因，并对油泵间隙的漏损机理进行了探讨；

For achieving those goals one of the key problems is optimum design of the frictional pairs in axial piston pump . The lubricating film must be formed in frictional pairs to improve the volume efficiency and working life of axial piston pump .

要实现这些目标的关键问题之一是要合理设计轴向柱塞泵中的各种类型的摩擦副，使之形成适当的油膜，以提高 柱塞泵的工作 效率和寿命。

Design on Improving the Volume Efficiency of Internal Meshing Arc-cycloid Gear Pump

提高内啮合圆弧-泛摆线齿轮泵 容积 效率的设计

The special properties of ultrafine metallic particles which are different from usual metal block or powder can be illustrated by detail description of their surface and volume efficiency ( including quantum size efficiency ) and of the magic numbers structure of atomic cluster .

通过对其表面效应、 体积 效应（包括量子尺寸效应）及对原子簇幻数结构的详细描述，可释明超细金属颗粒之所以具有不同于一般块、粒状金属的诸多特异性能。

First on the basis of analysis of relations among linetype parameters factors effecting on mechanical load and volume efficiency are fully analyzed and an object function is established ;

在分析涡旋型线参数相互关系的基础上，首先对显著影响车用涡旋增压器机械负荷、 容积 效率的因素进行了详细的分析，建立了优化计算的目标函数；

The problem of the testing data processing of the hydraulic pump was discussed and the precision between the liner and non-linear interpolation was compared and the calculation methods of the volume efficiency of the mining machine was established .

就液压泵测试数据采集完成之后的数值处理问题进行了分析，比较了线性与非线性插值法的计算精度，确立了采煤机液压泵 容积 效率的计算方法。

Screw type rotors have high volume efficiency .

螺杆转子具有 较高的工作 效率。

In selection of compressor the determination of the basic property parameters such as shaft power gas discharge volume volume efficiency of the machine set based on process conditions is the basis for late work .

在压缩机选型设计过程中，根据工艺条件初步确定机组的基本特性参数，例如轴功率、排气量、 容积 效率等，是开展以后工作的基础。

As for the nonlinear part of intake manifold subsystem such as effective throttle area and volume efficiency modified BP neural network and RBF neural network are used for identification respectively .

发动机进气通路的非线性环节主要包括节气门有效面积和 容积 效率两部分，本文分别采用了改进的BP网络和RBF网络对二者进行辨识。

The results indicated that short distance between inlet and outlet led to short circuit and low volume efficiency as well as low sedimentation efficiency .

结果表明：由于周边式沉淀池出水口和进水口在同侧距离较近，会发生短流，沉淀池 容积 利用 率也较低，导致沉淀效率下降。

Study on Calculation Method for Volume Efficiency of Engine Cooling Fan

发动机冷却风扇 容积 效率计算方法的研究

And the internal cycloid pump has been paid high attention in the related industries since it has so many advantages such as large displacement high volume efficiency small fluctuation of flow rate compact structure and so on .

而内啮合摆线泵更是以其 单位 体积排量大、 容积 效率高、流量脉动小、整体结构紧凑等优点受到行业内的高度重视。

According to the model the physical properties of compressed air the compressor 's volume efficiency and energy dissipation under different rotational speed were calculated .

在该模型基础上，分析了在高工作转速下压缩空气物性参数、压缩机 容积 效率和能量利用率的变化规律。

Settler loading related to dispersion band thickness and working volume efficiency was introduced . The influences of the surfactant sodium dodecyl sulphate ( SDS ) in the toluene / water system on Settler Throughput per Unit Area were studied through experiments .

介绍了斜板沉降器的处理负荷与分散带高度及 容积 利用 效率的关系，实验研究了分散体系中加入第三组分十二烷基磺酸钠（SDS）对沉降器处理负荷的影响。

The hydraulic efficiency formula volume efficiency formula and mechanical efficiency formula are analyzed .

在归纳分析水力效率、 容积 效率和机械效率的估算公式的基础上， 对照 实验结果进行了筛选，并给出了使用建议。

The simulating analyses and experimental verification of the interior leakage flow were accomplished with the NB internal gear pump which provides the theoretic foundation for researching the interior leakage volume efficiency and dynamic performance of the internal gear pump .

结合NB型内啮合齿轮泵完成了内部泄漏流量的仿真分析并进行了实验验证，为研究内啮合齿轮泵的内部泄漏、 容积 效率和动态特性提供了理论依据。

Meanwhile the calculation method for the volume efficiency of cooling fan has been preliminary discussed and its easier calculation method has been revised .

同时对冷却风扇 容积 效率计算问题进行了初步探讨，对简化计算方法进行了修正。

Simulating Study on the Volume Efficiency of Emulsion Pump

乳化液泵 容积 效率仿真研究

The exhaust temperature of three leaves Roots blowers with involute leaf shape is affected by many factors . Volume efficiency internal leakage and exhaust pressure will cause temperature rise of Roots blowers .

渐开线叶型三叶罗茨风机的排气温度受到诸多因素的影响， 容积 效率、内泄漏及工作时的排气压力都能使风机的温升发生变化。

The hydraulic pump as the energy transformation unit has great effect to total efficiency of hydraulic pressure system . But the effectiveness is decided chiefly by the element physical design . But the gear pump effectiveness consists of volume efficiency and mechanical efficiency mainly .

液压泵作为能量转换装置，对液压系统的总效率影响很大，而效率的高低，主要取决于元件的结构设计，而齿轮泵的效率主要包括 容积 效率和机械效率。

The calculation of the volume efficiency of rod pumps includes the calculation of four parameters i.e. the plunger stroke loss factor pump barrel fill coefficient leakage coefficient and bulk effect coefficient of produced liquid .

有杆抽油系统中抽油泵 容积 效率的计算一般由柱塞行程损失系数、泵筒的充满系数、漏失系数和抽汲液体的体积效应系数等4部分构成。

According to the external characteristic and theoretical model builded initial control MAPs for injection pulse width and volume efficiency were obtained .

以发动机外特性试验数据为基础，建立了理论模型，获得了喷油脉宽、 充气 效率初始MAP。

Calculation Method of Site Measured Piston Pump Discharged Volume Base on Inhaled Volume Efficiency

基于吸入 容积 效率实测活塞泵排量的计算方法（按体积、容积计算的）体积货物

Secondly less inflow flow pulsation and larger average of actual flow can be realized by selecting design parameters properly increasing volume efficiency and reducing internal leakages .

合理选择罗茨风机的设计参数，提高 容积 效率，减小内泄漏，可以减小进气流量脉动，增加实际流量平均值。

The different SLIP at different pressure can be calculated to assess blower quality and volume efficiency etc. correctly .

从而计算风机不同压力下不同的SLIP值，正确客观地评定了风机的质量情况和 容积 效率等。