定时阀是实现高容积效率的一个主要因素。
Valve timing is a major factor in achieving good volumetric efficiency.
更换转子后，泵的容积效率会相应产生变化。
After replacing the lobes it will be necessary to control or reset the final tolerances.
平衡式复合齿轮泵的内部泄漏是影响其容积效率的主要原因。
The inner leakage, as the major factor, affects the efficiency of the cubage of the balanced compound gear pump.
在高压力作用下，余隙容积的存在会降低液力端的容积效率。
In the effect of heavy pressure, the existence of the clearance volume will reduce the efficiency of the hydraulic end.
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。
When the load is serious unbalanced, each sub-channel still keeps high volumetric efficiency and equal flow.
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。
Dividing the actual flow by the theoretical value calculated above will yield a value which, taken as a percent, indicates volumetric efficiency.
采用本发明的技术方案，可以将气缸的余隙尽可能控制得小，以提高容积效率。
The technical project adopted in present invention can help control remaining gap of the air cylinder as little as possible to improve volume efficiency.
该风机的显著特点是流量及升压范围大，结构坚固耐用，容积效率高，运行平稳噪音低。
The notable characteristics of the blower are wide flow volume and rising pressure scope, durable structure, high volume efficiency, low noise and smooth operation.
首先针对影响吸入容积效率的主要因素，研制了一种高浓度黏稠物料吸入容积效率测试装置。
First according to the main factors affected to the inhaled volume efficiency, an inhaled volume efficiency measurement and test device of high density sticky material was developed.
液压油黏度、容积效率和液压系统工作效率均下降，泄漏增加，甚至使机械设备无法正常工作。
The hydraulic fluid viscosity, the volumetric efficiency and the hydraulic system working efficiency drops, divulging increases, even causes the mechanical device to be unable the normal work.
针对乳化液黏度低的特点，将所设计的乳化液马达采用了阀式配流，从而保证了较高的容积效率。
Because of the low viscosity of emulsion, valve type orifice was used in emulsion motor and the volumetric efficiency was ensued.
泵阀弹簧断裂是高压大流量乳化液泵的另一种常见典型故障，极大地影响了乳化液泵的容积效率。
Pump valve spring fracture is another common typical fault of emulsion pump with high pressure and large discharge which reduces the volumetric efficiency of emulsion pump greatly.
根据建立的函数关系式，可直接计算泵的容积效率和所需的泵的体积排量，或迭代求出地面产液量。
Based on the established functional relation, the V_e and the required P_d can be calculated directly, or the total liquid production rate at surface can be calculated indirectly.
结果表明，由该方法所建立的模型能够准确地描述变工况下滚动转子式压缩机容积效率等性能参数。
The results compare well with previous experimental data and can describe accurately the performance of compressor under variable conditions.
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。
According to the model, the physical properties of compressed air, the compressor's volume efficiency and energy dissipation under different rotational speed were calculated.
分析了影响外啮合直齿轮机油泵容积效率的主要因素 ，对油泵齿谷产生空穴和间隙漏损的机理进行了探讨。
Calculation of the geometric size of the modified gear, analysis of the flow characteristics of the outer-engaged gear pump, leakage and gap, radial force are discussed in this paper.
KOVATS方法是预测泵特性的传统方法，本文对其加以改进，用叶片尖端间隙数值解析法预测其中的容积效率。
A · DE · KOVATS method is a traditional method for forecasting the characteristics of pump. It has been improved in this paper.
根据测试的流量、压力数据，分析了液压变压器总效率和容积效率的变化规律，并讨论了影响总效率和容积效率的因素。
The total efficiency and volumetric efficiency are analyzed based on the flow rate and pressure measured, and their impact factors are discussed.
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 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 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.
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