The research broadens the way of reducing drag and saving energy.
该研究拓宽了汽车减阻节能的途径。
This adds to the lift and allows for longer, skinnier wings and a smaller tail, reducing drag.
这将增加飞机的升力，并且因此能够允许更长、更薄的机翼，以及更小的尾翼，从而还可以减小阻力。
Using characteristics of plasma to reduce aerodynamic drag of vehicles is a new concept of reducing drag.
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。
And optimization computation for reducing drag of Shockwave of single airfoil in transonic flow is also successful.
同时进行了单段翼型跨音速降低激波阻力的优化设计。
This, the researchers believe, is caused by the surface of the water smoothing out a vortex of air coming off the flying fish and reducing drag.
研究者相信，这源于水面平滑了飞鱼迎面的风涡，降低了阻力。
A wind tunnel test for a model of the automobile body shows that beneficial effects on reducing drag and suppressing aerodynamic noise by using internal acoustic excitation.
汽车车身模型风洞实验表明，用内部声激励可获得有效的减阻效果，而且还能起到抑制气动噪声的效果。
The design is intended to provide more lift with less drag compared with the cylindrical fuselage of a traditional aircraft, reducing fuel consumption while cruising.
设计是为了提供更多的电梯较少阻力相比圆柱形机身传统的飞机，降低燃料消耗，而游弋。
Reduced trunnion drag and energy waste because the trunnions on the VR taper bucket are positioned on the rear taper effectively reducing the area of the trunnion exposed directly to soil flow.
由于VR锥形铲斗的耳轴是在铲斗的锥形后部，有效地缩小了耳轴直接接触货流的面积从而减少耳轴牵拉和能量消耗。
The aerodynamic shape design of train head should consider all kinds of factors because the relation between reducing aerodynamic drag and air pressure pulse may be conflictive and uniform.
减小列车空气阻力和降低列车交会压力波，既矛盾又统一，列车气动头部外形设计需要综合考虑各种因素。
The wing sails with 3.1 percentage of essential wing area have observable efficiency in reducing induced drag. The factors of the induced drag were reduced by 20 percent.
总面积为3．1％基本翼面积的翼尖帆片对减少诱导阻力具有明显效果，诱导阻力因子减小20％左右。
Because of its dense nature, a large mass can be formed into a small space, minimizing air drag and reducing energy loss.
由于其密集性质，一个大集体，可形成一个小空间，减少空气阻力，减少能源损耗。
Each time the swimmer's feet leave and enter the water, air comes along, increasing drag and reducing thrust.
无论什么时候，只要游泳者的脚从水面之上打入水中，空气就会随着脚进入水中，这些空气泡会产生阻力，而且还会减少推动力。
Abstract: Friction drag is the major part of the total drag of a transport, so reducing it is essential for improving the performance and reducing the cost of a transport.
摘要：摩擦阻力占民机总阻力的很大比例，减少摩阻对改善民机性能和降低成本具有重要意义。
The mechanism and methods of viscosity drag reduction are briefly discussed. Some of its applications for saving energy and materials, improving efficiency or reducing noise and vibration are given.
本文综述了几种粘性减阻方法及其减阻的机理，联系了其在水相、油相中节约能源、材料，提高速度和效率等方面的应用。
The effect of molecular weight, molecular weight distribution, molecular structure of the polymer and behavior of the crude oil on drag reducing efficiency are represented.
本文讨论了减阻剂聚合物的分子量、分子量分布、分子结构以及不同物性的原油对减阻率的影响。
Experimental study has been thoroughly performed for affecting mechanism using drag reducing agents in multiphase pipelines.
在实验的基础上，对降阻剂在多相管流中的作用机理进行深入的研究。
The correlation between the axial and transverse speed pulsation of the drag reducing fluid has been conspicuously suppressed.
减阻流体的轴向和横向速度脉动之间的关联被明显抑制。
This paper discussed the preparation of drag reducing polymer and focused on drag reducing polymer suspension: including the preparation of polymer particles and the choice of suspending material.
重点介绍了减阻聚合物悬浮液的制备：聚合物颗粒的制备和悬浮基液的选择。
The mechanism of reducing aerodynamic drag by acoustic excitation was briefly analyzed.
本文首先简要地分析了声激励减阻机理。
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.
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。
This paper states the geometric shape design and principle of rigid traveling wave pasted layer for reducing noise and drag.
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。
Drag reducing agent through molecular associations have high shear stability in turbulent flow was studied and found its shear stability in turbulent flow has been improved greatly.
初步研究了抗剪切降解型分子缔合减阻剂，通过分子缔合减阻剂多次的减阻测试，发现缔合减阻剂在抗剪切降解性方面有较大提高。
It summarizes the category, the merits, faults of additives, the characteristics and the influenced factors for drag-reducing effect in this paper.
本文综述了添加剂的种类及其优缺点，添加剂的特点及影响其减阻的因素。
Friction drag is the major part of the total drag of a transport, so reducing it is essential for improving the performance and reducing the cost of a transport.
民机受到的摩阻占其总阻力很大比例，减少摩阻对改善民机性能和降低成本具有重要意义。
The drag-reducing property of the compounding system was decreased obviously when they were used at low temperature.
另外，输气温度对减阻效果影响较大，低温时减阻率明显降低。
The mechanism of reducing aerodynamic drag by acoustic excitation was briefly analysed.
本文首先简要地分析了声激励减阻机理。
Drag reducing performances of Cetyltrimethyl Ammonium Chloride (CTAC) drag reducing fluid in two-dimensional channel under different experimental situations were measured.
对不同工况下不同浓度和配比的CTAC减阻流体在二维流道中的减阻性能和传热性能进行了试验测试。
The molecule structure features, typical prescription and main application areas of drag-reducing surfactant are summarized.
综述了表面活性剂减阻剂的分子结构特征、典型减阻节能剂配方和主要应用领域。
The molecule structure features, typical prescription and main application areas of drag-reducing surfactant are summarized.
综述了表面活性剂减阻剂的分子结构特征、典型减阻节能剂配方和主要应用领域。
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