wind shear
[气象] 风切变;乱流
2025-06-28 22:27 浏览次数 10
[气象] 风切变;乱流
1. a radical shift in wind speed and direction that occurs over a very short distance
wind vertical shear风垂直切变
maximum-wind and shear chart最大风速风切图
wind direction shear风向切变
meridional wind vertical shear经向风垂直切变
wind shear system风切变系统
PWS Predictive Wind Shear预测式风切变系统
capability of wind-shear resistance抗风切变能力
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。
heightening vertical wind shear started to affect songda「s core structure, and it weakened significantly during the day.
垂直风切变上升破坏桑达的中心结构,因而它于当天快速减弱。
these two kinds of merging mechanisms are quite different, but both are related to wind shear and updraft velocity.
两种并合机制截然不同,但都与风切变和云内的上升气流速度密切相关。
ocean temperatures and wind shear are considered the two most important factors for predicting hurricanes, both in regular weather prediction studies and climate change studies.
在常规天气预报研究和气候变化研究中,海洋温度和风切变都被认为是预测飓风的两个最重要的因素。
the interaction between strong rising movement and strong vertical wind shear accelerated convection to develop and form squall line, and cause thunderstorms and gales.
较强的上升运动与风垂直切变相互作用,促使对流系统发展形成飑线,产生雷雨大风。
sensitivity experiments further reveal the amplifying effect of terrain and the impact of vertical wind shear on the heavy rain.
最后,通过地形和风场的敏感试验进一步揭示了地形对暴雨的增幅作用和风场的垂直切变对降水的影响。
the numbers derived from this method can sometimes be misleading when trying to relate wind shear to cat.
当试图把这样得到的风切变值与晴空颠簸相关联时可能会导致误解。
on the assumption that the wind shear is sinusoidal, the effects of long periodic oscillation on the landing path of an aircraft were studied by computer calculation and with flight simulator.
在正弦风切变假定下,利用计算机计算和飞行模拟器模拟研究了长周期振动频率上下的正弦波风切变对飞机着陆航迹的影响。
the effects of near-ground horizontal wind shear on an agricultural airplane are discussed in this paper.
本文以一架农业飞机为算例,系统地研究了纵向近地风切变对农业飞机飞行的影响。
in the study, a linear model of wind shear is adopted according to the requirements for helicopter flying qualities prescribed by national military standard.
并按国家军标军用直升机飞行品质规范的要求,采用了线性风切变的模型;
according to the computational results, the prediction about the location and the intensity of the wind shear can be made out.
并根据结果对风切变发生的位置和强度提供有效的预测。
favorable winds off africa and weak wind shear conditions influenced by la ni?a all contributed to storm development.
从非洲来的有益的风和受拉尼娜现象减弱的风都对风暴的发展起到了作用。
the distribution of the wind shear is so complex that we can not classify tower layer by the average of wind shear.
低空风切变强度在塔层分布很复杂,无法根据风切变平均值的大小来对塔层分层;
no criteria is defined for relating wind shear values to the occurrence of light, moderate, or severe.
更没有把风切变值和轻度颠簸、中度颠簸、强颠簸相关联的準则。
based on the tendency equation of turbulent kinetic energy, its simplified equation including only wind shear and air stability was derived.
基于湍流动能倾向方程,推导出了其只含风切变和大气稳定度的简化方程。
in this paper, the variation of spectral structure of acoustic gravity waves (agw」s) propagating through a region of vertical wind shear is investigated.
本文研究声重波在垂直切变风场中传播时谱结构的改变。
in this paper, the stability and control of a hingeless helicopter in wind shear were investigated.
研究了无铰直升机在风切变场中的稳定性和操纵性。
the power expression by the wind passing through the rotor swept area of back wind direction wind turbine is accurately deduced from energy viewpoint based on wind shear and tower shadow effect.
从风力机获取能量角度出发,充分考虑风剪切与塔影效应,精确推导出作用于下风向风力机风轮扫掠面积上理论风功率的计算式。