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- The main parameters calibrated in the model are dispersion coefficient(a=0.07, b=0.7), roughness length(0.02m), wind drag coefficient(Cwd=3%), and evaporation rate(0.1/d). 经过率定后确定模型中主要参数值如下:扩散参数a=0.;07;扩散参数b=0
- Test of Influence of Wind Drag Coefficient on Typhoon Storm Surge Simulations 风应力拖曳系数选取对风暴潮数值模拟的影响
- Keywords wave;tide-surge;wind drag coefficient;bottom stess;radiation stress;the convection and diffusion equation; 波浪;潮汐风暴潮;拖曳系数;底摩擦应力;辐射应力;对流扩散方程;
- wind drag coefficient 风应力拖曳系数
- Ratio of lift coefficient to drag coefficient. 升力系数与阻力系数的比值。
- The drag coefficient varies with the shape of the object. 拖曳系数随物体的形状而异。
- 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。
- Styled with distinctively rounded edges so as to reduce wind drag and thereby increase fuel efficiency. Used especially of automobiles and vans. 流线型的具有独特圆边款式以减少风阻从而提高燃料效率的，用以特指汽车或轻型汽车的款式
- wind drag coefficients 风应力系数
- In many cases an overall drag coefficient is given so that the net force on the surface can be determined. 在许多情况下，总的拖曳系数是已知的，因而可以确定作用于表面上的净力值。
- The lift and drag coefficient of flapping-wing MAV in different motion modes are calculated. 计算了扑翼微飞行器在不同运动模态下的升阻力系数;
- The wave drag coefficient also increases with increasing upswept angle at transonic speed. 在跨音速时，波阻系数也与上翘角有关，上翘角增加会导致波阻系数进一步加大。
- The friction drag coefficient increases with increasing afterbody fineness ratio and decreasing Reynolds Number. 后体摩擦阻力系数分别随后体的长细比的增加和雷诺数的减小而增加；
- Canard wing increases lift coefficient with the penalty of the increase of drag coefficient. 低于主机翼的鸭翼将加强前掠翼布局的缓失速特性。
- An optional spoiler not only sets off the boot lid, but together with the imposing diffuser and prominent flaps, it ensures that effects of wind drag are minimised. 可选配的扰流器，在取消行李箱盖的同时，配合扩散器与突出的副翼，确保该车的风阻系数达到最小。
- Such parameters of flow characteristics are investigated as lift and drag coefficient and vortex shedding frequencies. 计算了圆柱的升阻力系数、尾涡脱落+频率等描述绕流问题的主要参量。
- Smoother vehicles may have drag coefficients of the order of 0.55. 光滑飞行器的阻力系数可能为0.;55量级。
- Cavity length depth ratio strongly influences flow field、total pressure recovery、drag coefficient. 凹腔长深比对流场特性、总压恢复、燃烧室阻力影响显著。
- Ben designed the fairing shell to have a drag coefficient that would allow me to achieve at least 50 kph on less than 130 watts of power. 本设计的整流罩外壳有阻力系数，使我实现至少50公里不到130瓦的功率。
- Worse unless you are a racing technician versed in aerodynamics chances are excellent that your spoiler isn't doing anything more than adding wind drag and weight.That's costing you at the pump too. 如果你必须在车顶携带什么东西，那么近可能地减小东西的重量和体积，这样就能够节省燃料，提高车辆的空气动力学性能，并且能够避免由于车顶载物过重造成的重力不平衡所带来的不安全因素。
