您要查找的是不是:
- Experimental Investigation on Aerodynamic Drag of High Speed Train? 高速列车空气阻力试验研究?
- Close windows when travelling at high speed this will decrease aerodynamic drag and lower fuel consumption. 高速行车时应关窗,可减低气流阻力,减少耗油量。
- 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.
- The experimental investigation and analysis on aerodynamic drag of high speed train are performed in the article. 本文对高速列车空气阻力进行了试验研究和分析。
- 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。
- Knowledge of performance evaluation, reduction in aerodynamic drag and interference, and wind tunnel testing (Aeronautical). 熟悉风机性能评估及风洞试验,降低气动阻力(气动专业);
- The aerodynamic drag coefficient of a bus body model is measured in the wind tunnel with the acoustic excitation technique applied. 本文利用内部声激励技术,在风洞中对某厢式客车车身模型进行空气阻力系数的测试。
- PSV and EPV in CRA had trended to increase,but the chande of drag index was not signifieant ( P >0.05) . (3 )青光眼术后CRA的PSV、EDV有上升趋势 ;但阻力指数变化不明显 (P>0 .;0 5 )。
- The aerodynamic drag of different models at zero angle of attack in the experiment is calculated using the simplified procedure. 在零攻角实验时不同模型的空气动力阻力是采用简化方法来计算的;
- The numerical simulation research on aerodynamic drag of train affected by the train windshield configuration is performed in this paper. 采用数值模拟方法研究了列车风挡对空气阻力的影响。
- Research shows that wind deflector installed on a van-body truck can reduce aerodynamic drag considerably as well as decrease fuel consumption. 研究表明,在厢式货车上安装导流罩,可以大幅度的降低气动阻力、节省燃料消耗。
- Construction Bank, ICBC, petroleum, petrochemical, and other serious drag index heavyweights. 建行、工行、石油、石化等权重股严重拖累指数。
- In order to reduce the aerodynamic drag and improve the automotive maneuverability by optimization of automotive underbody flow. 计算和分析的结论可为汽车底部外形设计和改型提供参考,也为获得复杂车身底部流动最佳化外形打下了基础。
- The third scheme,whose streamline frontal shape is shuttle shape,with lowest air pressure pulse and aerodynamic drag,was selected as the optimization scheme. 最优方案为列车交会压力波和空气阻力均较小、流线型头部为扁梭形的方案三。
- This paper uses ADAMS/View software to establish the model of bullet of smart cluster,uses the known drag index and STEP function to realize automatic inquiry of drag index. 通过ADAMS/View建立了灵巧子母弹子弹的实体模型。 根据已知阻力系数,利用STEP函数实现了阻力系数的自动查询。
- The calculation result shows that the influence of different air clearance beneath train body on aerodynamic drag is quite limited, but its effect on the aerodynamic lift is fairly strong. 计算结果表明,车下空气隙的大小对列车运行的空气阻力只有微小的影响,但对气动升力的影响较大;
- In accordance with different positions of high speed train in tunnel,unsteady flow formulas for the evaluation of piston wind velocities in tunnel and aerodynamic drag on trains have been established in this paper. 针对高速列车在隧道中不同位置处行驶时,本文分三种情形建立了非恒定流活塞风计算公式,并建立了适用于非恒定流的类似于原朝茂公式的空气阻力计算方法。
- Motor vehicles need energy to accelerate (overcome inertia), to push the air out of their way (aerodynamic drag), and to overcome the friction from tires, wheels and axles (rolling resistance). 带发动机的车辆需要能量进行加速(克服惯性阻力),推开路上的空气(空气动力学拖曳力),并克服轮胎、车轮和车轴的摩擦力(滚动阻力)。
- It is very complex to calculate the aerodynamic drag of high-speed train running in railway tunnel with multi -shafts . And the difficulty is to calculate the velocity of piston wind. 在高速列车空气阻力计算中,多竖井隧道的列车空气阻力计算比较复杂,其难点在于多竖井的活塞风计算。
- Numerical Calculation of Aerodynamic Drag of Train in Tunnel 隧道中高速列车空气阻力的数值计算