1) promoting efficiency
推动效率
2) Thrust efficiency
推力效率
1.
When inlet pressure and temperature are fixed,thrust efficiency for the adiabatic wall is the smallest.
研究结果表明随着进口温度的增加,推力、推力效率以及比冲效率减小,而比冲不断增大,喷管的最优扩张角也随进口温度升高稍微增大;在给定进口压力和温度下,绝热壁面的推力效率最小,壁面温度越低,推力效率越大。
3) propulsion efficiency
推进效率
1.
These will decrease the propulsion efficiency and increase fuel consumption.
船舶污底引起阻力增加,降低了船舶的推进效率,增加了耗油量。
2.
A new method to determine the thrust of pitching oscillating foil was established on the basis of tethered and the self-propelled oscillating foil,providing the relationships of Strouhal number with both the propulsion efficiency and the Reynolds number.
在研究翼型原地摆动和自主推进的基础上,提出了一种确定俯仰振荡翼型推力的新方法,在得到推进效率与斯特劳哈尔(Strouhal)数关系的同时,还得到了斯特劳哈尔数与雷诺数之间的关系。
3.
In order to improve the propulsion efficiency,according to momentum and energy conservation,this work present a global calculation approach to get the geometry,dimensions,shape and position of the MHD propeller on the ship.
为进一步提高推进效率,从动量和能量守恒出发提出一种全局计算方法,研究船舶磁流体推进器的几何形状、尺寸和位置等参数,并通过对其不同组件和产生损失的综合分析得出一种优化模型。
4) propulsive efficiency
推进效率
1.
Significant propulsive efficiency improvements can be achieved by modifying the propulsive system of a vessel.
修改船舶推进系统能大大改善推进效率。
2.
which showed the influence of hand-figures on swimming propulsive efficiency.
该文旨在用计算流体力学(CFD)的方法研究游泳推进问题,建立了手掌和前臂的联接模型,并生成3D非结构网格,计算了两种不同手姿态:并拢和张开在不同来流速度和攻角下的推进阻力和推进升力,并结合计算结果进行了流场分析,研究了两种手姿态对推进效率的影响。
3.
By adding one more rudder to or reducing one or two rudders from the regular ship propeller and rudder arrangement,and fixing up the propeller-rudder relative position rationally,the results of reducing ship vibration and noise,improving ship propulsive efficiency and raising rudder′s performance of controlling ship course may be obtained.
采用比水面船舶常规桨舵配置多一只舵或少一二只舵,通过合理布置桨舵相对位置,以降低船舶的振动和噪声、提高船舶推进效率、提高船舵控制航向的性能。
5) inference efficiency
推理效率
1.
The paper systematically explains the measures to improve the expert system inference efficiency, thus providing constructive suggestions for improving rel.
文章系统地阐明了提高专家系统推理效率的措施,为增强专家系统的可靠性,提供了建设性建议。
2.
This paper presented a method for improving the inference efficiency,this is achieved by regrouping the knowledge base.
本论文主要提出了一种提高推理效率的方法——知识库重组,这种方法通过缩小推理范围来提高推理效率。
6) effectiveness of thrusters
侧推效率
补充资料:配置效率和生产效率
在经济学上,经济发展的动力,或者说效率的来源,分为两类:一类是配置效率,二是生产效率。所谓配置效率,是指给定资源和技术的条件下,怎么样使资源从边际生产率低的地方流向边际生产率高的地方,从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率,也就是把社会的生产可行性边界向外移。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条