在高速区降低进气涡流强度，发动机的性能和排放均有明显改善。
The performances of diesel engine are improved by higher swirl in the operating range of low speed and high load.
试验结果表明，发动机在高、低速区的最佳进气涡流强度是不同的。
Results show that there are different optimum swirls in different ranges of diesel engine operating condition.
试验结果表明，发动机在高、低速区的最佳进气涡流强度是不同的。
The effects of different intake swirl ratio on the performances and exhaust emissions of diesel engine were investigated based on the experiment data.
通过试验研究，阐述了如何合理选取进气涡流强度，以改善柴油机的性能。
How to select the induction Swirl ratio for improving the performance of DI engine is investigated and tested.
此外，研究了涡流强度和喷孔直径对柴油机燃烧过程以及NOX排放的影响。
In addition, the effects of the swirl ratio and the diameter of the nozzle hole on the combustion process and the NOX emissions also were investigated.
进气道性能(涡流强度、流量系数)对柴油机的动力性、经济性和排放有重要影响。
The intake port performance (swirl number, flow coefficient) has an important effect on power, economy and emissions of diesel engine.
排沙下界粒径较大时，可以选择较小的漏斗尺寸，使涡流强度提高以较小的耗水率排放泥沙。
The larger the critical diameter of sediment, the smaller the sacle of funnel is applied so as to strengthen the vortex to discharge sediment with less water consumption.
提高空燃比，可增强补燃室中燃气的回流和轴向涡流强度，加大掺混力度，从而提高燃烧效率。
The intensity of the gas backflow and axial swirl ond the dilution in the afterburner are enhanced by increasing the air-to-fuel ratio, and then the combustion efficiency is improved.
除具有纯滚流特点的S1阀片位置外，缸内气体斜轴涡流运动强度与单边气道截面被遮住的面积成正比。
Lastly, the strength of inclined-axis swirl is directly proportional to the Shadowed area of the single channel except for the S1 valve position where the in-cylinder motion is only tumble.
通过本文的研究表明，传输线上信号的衰减频率和强度主要依赖于磁性薄膜材料的亚铁磁共振频率和涡流损耗。
According to this paper, the frequency and intensity of the signal attenuation on transmission line are mainly depended on the ferromagnetic resonance frequency and eddy current loss.
随着频率的升高，即使在磁感应强度较低时，涡流损耗和剩余损耗的影响不容忽视，且两者都随温度的升高而升高。
With an increase of the frequency and temperature, the eddy current loss and residual loss contributed to the total loss at the low induction.
涡流损耗的增加不会改变衰减峰值的频率，但是会增大衰减强度。
Increasing the eddy-current losses will not change the frequency of attenuation peak, but will increase the intensity of attenuation.
随着流体弹性的增加，在收缩孔道中产生了涡流，涡流的强度与弹性的大小成正比。
With the increasing of elasticity of fluid, the turbulence in shrink hole comes into being, whose intensity is in direct proportion to elasticity.
随着流体弹性的增加，在收缩孔道中产生了涡流，涡流的强度与弹性的大小成正比。
With the increasing of elasticity of fluid, the turbulence in shrink hole comes into being, whose intensity is in direct proportion to elasticity.
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