查询词典 wind shear

It is pointed out that vertical wind shear and its change are closely correlated with the temperature advection.

文中指出垂直风切变及其变化与温度平流的存在是紧密相关的。

Using the energy method and taking the factors of buoyancy, wind shear and downdraft into account, we have calculated the process of the mixed layer height varied with time.

采用能量学方法，通过考虑影响混合层演变的浮力、风切变及下沉等因子，对混合层高度随时间变化的过程进行数值模拟计算，并与实际观测资料比较。

First part: Use a simply wind power system as the discussion and verification of the theory. Study the numerous of factors by flicker emission produced during continuous operation, such as the flicker major source by wind turbine (e.g. wind speed variations, the wind shear and the tower shadow) and grid conditions effect (e.g. short circuit capacity, grid impedance angle). And analyses further that compares SCIG and DFIG , use STATCOM improve SCIG and DFIG is applied to the power system with unstable change load.

第一部分：以一简化风力发电系统作为理论的探讨与验证，研究内容针对风力发电机连续运转下电压闪烁主要来源：风的扰动、风剪切与塔影效应，与来自电力网路的影响：比、短路容量，风力发电电系统中电压闪烁各种因子，并进一步探讨分析 SCIG 与 DFIG 优缺点、以静态同步虚功补偿器改善 SCIG 与 DFIG 运用於不稳定负载电力系统。

The evolution of reflectivity in the Doppler images was coincided with the mode of the classic heavy precipitation supercell storm.And there was an obvious structure of heavy precipitation supercell storm in the vertical sectional drawing.Furthermore,there were also a mid-cyclone and a vertical wind shear in the process.At last,the factors related to the hailstone were analyzed.

新一代天气雷达图像上强度图的演变与强降水超级单体模式相吻合；剖面图上显示出强降水超级单体的明显结构；存在着中气旋和中等到强的垂直风切变；分析了此次过程中出现冰雹的相关因子。

A squall line in MCC was monitored by using terminal Doppler radar and AWOS, and the value of low-level wind shear was calculated to provide for Guangzhou Baiyun airport.

利用广州白云机场的多普勒雷达和地面自动站资料对MCC内部的跑线进行实时监测，得到低空风切变对机场的影响情况。

Charges accumulation and electric field development within two convective clouds which had different degree of convection and wind shear in Changchun were simulated by introducing an improved noninductive charging mechanism including the influence of particle diameters and impact velocity into the three-dimensional dynamics and electrification coupled model.

在三维强风暴动力和电耦合数值模式的基础上，考虑了粒子直径及降落末速差对转移电荷的影响，把非感应起电参数化方案作了进一步改进，对长春地区两次不同强度、不同环境风切变的对流云内电荷累积和电场发展过程进行了模拟分析。

The wind shear,yawing,structural parameters and installation parameters are taken into account to make the theoretic model more close to the wind turbine in opera...

应用所设计的气动性能计算程序对一台1.3MW的失速调节风力机进行了气动性能计算，与国外大型商业软件的计算结果取得了良好的一致性，从而验证了模型的正确性和实用性。

The wind convergence, mesoscale cyclone and vertical wind shear at lower levels may produce heavy rainfall. The mesoscale cyclone and vertical wind shear at middle and upper levels may produce strong downburst or hails.

低层水平风的辐合、中气旋、垂直风向切变等可以产生强降水，中高层的中气旋、垂直风切变可以产生下击暴流、冰雹等强对流天气。

An engineering model of microburst is built up with characterization of wind shear and simulations of the aircraft through microburst wind are performed in accordance with motion equations of wind shear,at last,the influence of wind shear on flight performance for aircraft is analyzed in the paper.

随后根据建立起的风切变运动方程，对飞机穿越微下冲气流风场进行仿真，分析了风切变对飞机飞行性能的影响。

Wind shear occurs because of the greater friction presented by water surface slowing the flow of air, a difference in true wind creates a different apparent wind at different heights.

风切变的发生是因为更大的摩擦提出水面放缓的气流，一个真正的差异造成了不同的风明显风在不同的高度。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了