计算结果表明，减阻效果比较理想。
本文首先简要地分析了声激励减阻机理。
The mechanism of reducing aerodynamic drag by acoustic excitation was briefly analyzed.
对内筒减阻原理及技术性能进行了分析。
Fricton reduction mechanism and technical properties of the inner tube analysed.
讨论了聚合物降解的情况及对减阻的影响。
The degradation of the polymer and its effect on the drag reduction are also discussed.
结果表明所设计的仿生装载机铲斗减阻效果明显。
The results indicate that the bionic loader bucket has an excellent effect to reduce working resistance.
所得结果对于从亚微观层次解释减阻机理有实际意义。
The results are meaningful for explaining the mechanism of drag reduction from submicroscopic level.
艉扰流板减阻效果的获得主要是来源剩余阻力的减少。
The effective resistance reduction of interceptor is mainly coming with the decrease of residual resistance.
本文提出了底部排气弹减阻特性设计的一般原则与方法。
This paper presents the general principle and method of bleeding drag reduction characteristic design of base bleed projectile.
减阻流体的轴向和横向速度脉动之间的关联被明显抑制。
The correlation between the axial and transverse speed pulsation of the drag reducing fluid has been conspicuously suppressed.
分析了等离子体减阻的基本原理及所涉及的一些关键技术点。
The fundamental principle of the plasma drag reduction and its key technologies are discussed.
本文给出硬质随行波减阻降噪贴敷层的几何参数设计及原理。
This paper states the geometric shape design and principle of rigid traveling wave pasted layer for reducing noise and drag.
对空调如何减少通道局部阻力及其减阻设计提出了合理的看法。
How to reduce passage shock resistance of air conditioner is discussed, with Suggestions on reasonable design of resistance reduction presented.
利用等离子体的特性减小飞行器的气动阻力是一种新概念的减阻思路。
Using characteristics of plasma to reduce aerodynamic drag of vehicles is a new concept of reducing drag.
扩散段、拐角以及风扇段的气动减阻在一定程度上减少了风机的功率。
Dropping the pressure loss of diffuser, corner, and fan section can help to reduce the power of the fan.
减阻杆削弱了旋风分离器内部流动的湍流强度，使湍流能量耗散减少。
The other is the action of weakening turbulent intensity by the Repds, which reduces the energy dissipation of the cyclone flows.
介绍了厢式货车的减阻方法——主动控制边界层法和被动控制边界层法。
The paper introduces the resistance reduction methods of van type vehicles-actively boundary layer control method and passive boundary layer control method.
人们曾尝试利用多种主动控制方法减少壁面阻力，获得了不同的减阻效果。
Various active control strategies had been used to reduce skin friction, which achieved different results.
文中就此工艺的减阻机理、施工方案、节能效果进行了详细的分析和介绍。
This paper gives detail analysis and introduction to mechanism of reducing resistance, plans of working , result of energy saving of this technique.
在PV型旋风分离器内加装减阻杆，可以大幅度降低旋风分离器的总压降。
Installed a stick in the type of PV cyclone separator which could reduced the pressure drop.
通过水槽和水洞的实验，研究了超疏水性表面在不同流动条件下的减阻特性。
The last, through experiments of flume and water tunnel, the liquid slip effect on drag-reduction over super -hydrophobic surface for various flow conditions was researched.
介绍了两类不同尾部外形对底排弹减阻性能影响的实验结果，并进行了简要讨论。
This paper introduces the experimental results of influence of two kinds of tail shapes on drag reduction of base bleed and discusses briefly.
这种新型流变控制剂在钻井、提高采收率以及流体输送减阻中具有潜在应用价值。
The new type of rheology controller has its application potential in drilling, Enhanced Oil Recovery (EOR) and liquid transportation drag reduction.
PAM还广泛应用于增稠、稳定胶体、减阻、粘结、成膜、生物医学材料等方面。
PAM is widely used for thickening, stable friction reduction, glues, binding, film, biomedical materials, etc.
调整井防漏水泥浆技术，从减阻入手，利用外加剂改善水泥浆的流变性能和封固性能。
Antileakage cement slurry technology for adjustment well can improve rheological and cementing performance by using additives.
考察了其粘均相对分子质量、质量分数、温度及流态对减阻效率、抗剪切稳定性的影响；
The effects of PLMA′s relative molecular mass, content, temperature and flow state on the drag reduction effectiveness and the shear stability were discussed.
将减阻流体和牛顿流体的雷诺应力进行了比较，结果表明减阻流体的雷诺应力显著减小。
The Reynolds stresses of drag-reducing fluid were contrasted with those of Newtonian fluid, which showed that the Reynolds shear stresses of drag-reducing fluid decreased drastically.
分析了管道输送加气减阻的机理和延长排距的效果，在模型试验的基础上进行了实船试验。
The experiment shows that it can drag reduction and extend the discharge distance of pipeline transportation by ejecting compressed air to dredger pipeline.
从而在分析减阻杆减阻机理的同时，认识了旋风分离器内速度分布与压力分布的相互关系。
Based on analyzing resistance reducing rod mechanism, the relationship between velocity distribution and pressure distribution in cyclone is recognized simultaneously.
发现单纯改变涡襟翼的形式和参数能提高减阻效果，但不能改变小迎角下升力过小的现象。
It is found that the variation of planforms and geometrical parameters can effect only the drag reduction but little to the low lift in low angle of attack condition.
发现单纯改变涡襟翼的形式和参数能提高减阻效果，但不能改变小迎角下升力过小的现象。
It is found that the variation of planforms and geometrical parameters can effect only the drag reduction but little to the low lift in low angle of attack condition.
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