Valve timing is a major factor in achieving good volumetric efficiency.

定时阀是实现高容积效率的一个主要因素。

When the load is serious unbalanced, each sub-channel still keeps high volumetric efficiency and equal flow.

在各油缸支路出现严重负载不平衡时，仍保持高容积效率和相同流量。

The effect of residence time on ethanol yield, residual sugar, ethanol productivity and reactor volumetric efficiency were studied.

研究了停留时间对乙醇产量、残糖量、乙醇生产能力和反应器效率的影响。

Using the meshing principle, we raise computer-simulated generation method and compare volumetric efficiency with other kind of claw type dry vacuum pump.

根据啮合原理，提出了计算机模拟创成方法并同其它爪型干式真空泵的容积利用系数做出了比较。

A sliding vane compressor has many dominant advantages such as simple construction, no eccentric rotary parts, small size, and high volumetric efficiency etc.

滑片压缩机结构简单紧凑、运转平稳、容积效率高，目前其应用领域越来越广。

Presented in this paper is the relationship between intake pressure wave actions and the general volumetric efficiency speed characteristics of multi cylinder engines.

本文论述的是根据台架试验及模拟计算结果得出的多缸发动机进气系统内压力波动与充气效率-转速特性的关系。

This paper introduces the effect of connecting pipe length of the flow measurement system on volumetric efficiency and torque characteristic of gasoline engines.

本文介绍了节流式流量测量系统外接管长度对汽油机充量系数和扭矩特性的影响。

Since scroll compressor has neither suction valve nor clearance, its volumetric efficiency is 90-98%, while that of reciprocating compressors is only 65-75%.

没有吸气阀，没有余隙容积容积效率可以达到90%-98%，而多缸活塞式压缩机容积效率只有65%-75%。

The test method of pressure loss, flow loss and frictional force loss etc. of the hydraulic pumping units is presented, from which the mechanical efficiency and volumetric efficiency are obtained.

给出了测取液压抽油机系统压力损失、流量损失以及油缸的摩擦力损失等的方法，并由此求出系统的机械效率与容积效率。

The test results showed that, without obvious increase of volumetric efficiency, this system is able to make obviously change to the particulate and NOx emission.

结果表明，该系统在不影响进气充量系数的情况下，可以明显改变柴油机微粒和氮化物的排放量。

In this paper, the influences of compressor speed and work condition on compressor volumetric efficiency were analyzed based on experiment under automotive air-conditioning conditions.

针对汽车空调压缩机的特点，在实验的基础上，分析了转速及工况对压缩机输气系数的影响；

The test results show that, without obvious increase of volumetric efficiency, this system is able to make obvious change to the exhaust gas emission of diesel engine.

试验结果表明，该系统在不影响进气充量系数的情况下，对柴油机有害气体排放量影响显著。

All along, there are fewer researches on the suction volumetric efficiency of heavy caliber piston pump and they are behind the needs of production development.

一直以来，对大口径活塞泵吸入容积效率的研究较少，滞后于生产发展的需要。

The DA Feeder introduces material into the conveying system at highest volumetric efficiency when material flow into the feeder is controlled to permit free venting.

当流进供料机的材料可自动排空时，DA供料机可最大程度的将材料引入运输系统中。

Besides, the equation used to predict the volumetric efficiency was given for variable speed reciprocating compressors.

拟出适合于转速变化时的输气系数计算公式，可供估算变转速压缩式的输气系数。

Adequate inlet valve to prevent throttling of the incoming air, with the consequent loss of volumetric efficiency.

配置足够的进气阀的面积以防止因进来的气体在节流过程中所产生的容积效率的损 失。

Whether the design of air valve is reasonable or not will directly influence air compressor's volumetric efficiency and working reliability.

气阀设计是否合理将直接影响空压机的容积效率和工作可靠性。

Finally the calibration on a WF4C27F-E gasoline engine is performed, and the MAP graphs of the volumetric efficiency and the spark advance angle are obtained.

最后针对WF4C27F-E汽油机进行了标定试验，获取了充量系数和点火提前角MAP图。

Axis-direction clearance influences the volumetric efficiency and the torque efficiency of pneumatic vane motor.

轴向间隙影响着叶片式气动马达的容积效率和机械效率。

For intake system, adopting the resonant intake manifold construction, make use of the intake motive effect to increase volumetric efficiency;

对于进气系统，采取谐振进气的结构措施，利用进气动力效应来提高进气充量；

The adverse circumstances of filed work, incorrect operation and maintenance delayed often cause component destroyed and make the volumetric efficiency low down.

可控震源在野外工作的环境恶劣，再有非规范性操作或不及时进行系统维护等情况，就会造成系统元件的损坏。

It has characteristics of small size, low noise and working smoothly; further more, its volumetric efficiency is first rank in the displacement compressor domain.

涡旋压缩机具有体积小，噪音低，运行平稳的优点，特别是容积效率更是比其他类型压缩机有着明显的优势。

Dividing the actual flow by the theoretical value calculated above will yield a value which, taken as a percent, indicates volumetric efficiency.

实际流量除以理论流量得出一个数值，以百分比计，表示的即是容积效率。

When compression ratio is increased, the volumetric efficiency is increased, giving a fast burning rate and thus high thermal efficiency and power output.

压缩比增加，发动机充量系数增加，燃烧速率加快，热效率提高。

Volumetric efficiency of a new claw type dry vacuum pump was introduced.

介绍了一种新型的特殊爪型干式真空泵的容积利用系数。

The volumetric efficiency of C-SB series of Scroll Compressors was investigated experimentally.

实验研究了C-SB系列涡旋式压缩机的输气效率。