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。
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。
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。
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。
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。
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。
Numerical simulation of influence of two different hand-figures on swim propulsive efficiency;
两种手形对游泳推进效率影响的数值模拟
The Electrical and echanical Services Department promotes energy efficiency and conservation.
机电工程署负责促进能源效率和推动节约能源。
Promote Vigorously Engineering for Dcecentral Co-generation System Enhance Energy Efficiency;
大力推进分布式供能系统提高能源利用效率
To Enhance the Protection of Private Property and Advance the Equitableness and the Efficiency of the Society;
强化私有财产保护 推进社会公平与效率
The Efficiency of Technology Investment and Suggestions of the Capitalization of Technical Achievements;
技术入股的效率及推进技术股份化的对策建议
Superficial Discussion on Equity and Efficiency of Education -- The Proposal about Pushing on the Popularization of Chinese Education By Stressing the Development of Middle and High Level Professional Education;
论教育公平与效率,推进我国教育大众化
Quantitative analysis of the development trend of transport efficiency based on energy used for propulsion
基于用于推进的功率定量分析运输效率的发展趋势(英文)
delivered power at propeller
传送到推进器的功率
In the past farmers had to go by train to the cities to find buyers of their products,which was both time consuming and inefficient.
过去，农民得坐火车进城推销他们的产品，既花时间，效率又低。
View from Property Right and Market Construction:Consideration of Promoting State Commercial Bank Reform and Improving Efficiency;
产权及市场结构视角:推进国有商业银行改革和提高效率的思考
CONSTANTLY PUSH FORWARD THE CONSTRUCTION OF CIRCULAR ECONOMY INDUSTRIAL CHAIN EFFICIENCY CONTINUED TO IMPROVE THE EFFICIENCY OF RESOURCES COMPREHENSIVE UTILIZATION
不断推进循环经济产业链条建设持续提高资源综合利用效率
The unit serves as a focal point to direct and secure improvement through promoting best practice.
效率促进组全力推行公营部门改革，推广最佳管理模式，务使政府服务，精益求精。
To Promote the Reform of Market-directed Interest Rate;
推进利率市场化改革 促进利率与汇率协调发展
Management should establish relationships with suppliers and partners to promote and facilitate communication with the aim of mutually improving the effectiveness and efficiency of processes that create value.
管理者应当与供方和合作者建立合作关系，推动和促进交流，共同提高增值过程的有效性和效率。
We must pay great attention to the method in the study, enhance the study efficiency, thus further advance the school party's construction and the education.
在学习中要注重方法，提高学习的效率，从而进一步推进学校党的建设和教育事业的发展。
"We should further change the functions of the government, improve the methods of management, introduce e-government, uplift administrative efficiency and reduce costs"
进一步转变政府职能,改进管理方式,推行电子政务,提高行政效率,降低行政成本.
PROMOTING ADVANCE OF ENERGY SAVING TECHNOLOGY TO BRING ENERGY SAVING AND ECONOMIC BENEFITS INCREASING OF ENTERPRISE;
推进节能技术进步 促进企业节能增效
Or consider the rotary motors of the bacterial flagella, which efficiently propel the one-celled organisms[ see“ The Once and Future Nanomachine,” on page78].
或者，想想细菌鞭毛的转动马达，它可以有效率地推进这些单细胞生物。