The rolling resistance coefficient and air resistance coefficient are the key to the design of motorcycle,which are of great significance for calculating motorcycle property and developing products.
通过介绍摩托车滑行道路试验及数据处理方法,对比不同采样方法,以里程采样法对某125型摩托车进行滑行道路试验,并采用曲线拟合法对试验数据进行了分析,确定了摩托车滚动阻力系数和空气阻力系数,该方法经多次试验验证,可用于摩托车设计。
This paper deals with the existing problems and principle to determine by power balancing method the air resistance coefficients of running automobiles with wind tunnet test results,together with an illustrative determination of air resistance coefficient C D for FAW CA1020 double_cab light truck.
分析了用风洞试验等方法测试汽车空气阻力系数存在的问题，论述了汽车行驶功率平衡法测试汽车空气阻力系数的原理，并提供了用功率平衡法测试解放牌ＣＡ１０２０型双排座轻型货车的空气阻力系数ＣＤ值的实例。
The experimental results show that:(a) the velocity attenuation coefficient of spherical fragment is constant, and(b) the air drag coefficient is slightly affected by the initial velocity of spherical fragment,the air drag coefficient.
试验结果表明:在同一初速条件下,球形破片长距离飞行时的衰减系数为常数;破片飞行空气阻力系数与破片初速有关,在战斗部设计关心的范围内(1。
The air drag coefficients of spherical tungsten fragments are studied.
实验结果表明:(1)对于理想球形钨合金破片,在同一初始速度条件下,衰减系数为常数,空气阻力系数与初始速度有关,两者成线性关系;(2)对于经历爆轰驱动的球形钨合金破片,由于有轻微的质量损失和变形,速度衰减规律与理想球形钨合金破片有明显的区别,空气阻力系数与飞行速度有关,两者成线性关系。
The experimental results show that:(a) the velocity attenuation coefficient of spherical fragment is constant,and (b) the air drag coefficient is slightly affected by the initial velocity of spherical fragment,the air drag coefficient is a.
试验结果表明 :在同一初速条件下 ,球形破片长距离飞行时的衰减系数为常数 ;破片飞行空气阻力系数与破片初速有关 ,在战斗部设计关心的范围内 (1 。
This paper presents the effect of natural wind on the error of aerodynamic drag coefficient (KF) measured by road test of a motor vehicle.
推导自然风对汽车空气阻力系数ＫＦ道路试验的测量误差修正公式，结合模拟计算和实车试验结果的分析，阐述了自然风影响ＫＦ试验结果的规律以及在ＫＦ试验及其数据处理时减小自然风对试验结果影响的方法
This paper presents the effect of reducing aerodynamic drag coefficient on constant_speed fuel economy of truck.
本文论述降低载货汽车空气阻力系数对等速燃耗影响的分析方法，结合实车试验结果和模拟计算，重点分析了降低空气阻力系数在ＥＱ１０９２Ｆ载货汽车上所能产生的节油效果。
Calculation of Rolling Resistance Coefficient and Air Resistance Coefficient Based on Road Test
基于道路试验的汽车滚动阻力和空气阻力系数计算方法研究
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。
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
Numerical Simulation on the Aerodynamic Drag of High-Speed Train of Evacuated Tube Transportation System;
真空管道运输高速列车空气阻力数值仿真
Numerical computation of aerodynamic drag coefficient for high temperature particles
高温固体颗粒气动阻力系数数值计算
Study on Numerical Simulation of the Airflow Pressure Drop for Automotive Radiator
汽车散热器空气流动阻力特性的数值计算研究
An aircraft has to overcome the resistance of the air.
飞机须克服空气的阻力。
Correcting for the effects of air resistance.
弥补空气阻力的影响
The air resistance makes influence on the flight of an aeroplane.
空气阻力影响飞机飞行。
The Experiment Study on Relationship between Resistance and Structure of High Efficiency Particulate Air Filter;
高效空气过滤器阻力与结构关系的实验研究
drag coefficient
牵引系数，阻力系数
blade profile drag coefficient
桨叶剖面阻力系数，叶型阻力系数
Experiment and Numerical Simulation of Resistance Coefficient of 90° Bend Pipe with Low Reynolds Number in HVAC
通风空调低雷诺数90°弯管阻力系数的实验与数值模拟
aerodynamic wave drag
【航空】超音速飞机的空气震波阻力
Research on Air Flow Resistance in Direct Air-cooled Condensers
直接空冷凝汽器空气流动阻力的研究
The aerodynamic quality of dissipative silencer is summarized through the data from theory and experiment.
根据理论与试验两方面的数据，总结了阻性消声器的空气动力性能。
air transmission coefficient
透气系数，空气透过率
The EDT experiences a resistance akin to air drag, which in turn lowers the tether system's orbit.
EDT受到类似空气拖曳的阻力，造成缆索系统的轨道降低。