A wireless data acquirement system applying in wind farm wind distribution research is presented in this paper.
讨论了研制一套风电场风况无线数据采集系统的基本原理和电路设计。
This model accounts for the uncertainty about the loads acting on the wind-turbine rotor blade by the unstable wind distribution. A 20-year design lifetime is considered.
该种模型考虑了由于风速的不稳定所带来的作用在风力机叶片上分布载荷的不确定因素,并假定风力机的设计寿命为20年。
On the other hand, the diffusion is corresponded with coefficients of turbulent diffusion and wind distribution, the range of horizontal diffusion is greater than that of vertical diffusion.
催化剂的扩散与湍流扩散系数、风场分布相对应,水平扩散范围大于垂直扩散范围。
It contains instruments to measure wind, both horizontally and vertically; temperature and water droplet distribution inside clouds; pressure and humidity; and lightning.
这些仪器可以从水平和垂直方向上测量风速;捕捉云层内部温度和水滴的分布情况;测量压力、湿度和闪电数据。
Wind turbines can be used to produce electricity for a single home or building, or they can be connected to an electricity grid (shown here) for more widespread electricity distribution.
风力涡轮机发的电可以用于个人家庭或建筑,也可以用来连接电力网使电力输送得更远。
The paper includes four parts: turbulence wind field model, the load of the wind turbine, the load distribution of wind turbine blade, the wind turbine reliability analysis.
论文包括四部分:紊流风场模型、风力机载荷分析、风力机叶片载荷分布、风力机叶片可靠性分析。
The phase change thermography technique is a wind tunnel test technique to spray some phase change paint on the aircraft surface for measuring heat distribution in a large area.
相变热图试验技术是通过在飞行器表面喷涂具有一定相变温度的相变涂料来进行大面积热测绘的一项风洞试验技术。
The turbulence power distribution inner of stadium offers reference for the analysis on the simultaneous wind.
体育场内部湍动能的分布为脉动风的分析提供了依据。
By numerical simulation, we achieve the distribution of wind pressure on walls and wind environment at pedestrian level around the towers.
通过数值模拟,获得了幕墙的风压分布情况及塔四周行人高度风环境情况。
Further more, tilted model of Gaussian plume and parameter system have been recommended to predict concentration distribution behind wind tower.
据此,我们推荐了倾斜高斯烟流模式及其参数算法系统予测排气塔后部的浓度分布。
The wind environment of a district is calculated and analyzed with numerical simulation, the concept of gradient wind is proposed to explain that buildings' distribution affect the wind field.
以某小区为例,对其风环境进行了数值模拟计算与分析,引入梯度风的概念,指出了小区内建筑分布对小区风场的影响。
The distribution of the available rate of the wind profiler data along with the height and the effect of different weather on the available rate were discussed.
给出了风廓线资料有效率随高度的分布及不同天气状况对资料有效率的影响。
Through the numerical analysis of the flow phenomenon around the cable-stayed bridge by means of numerical wind tunnel, the speed distribution of the f.
运用数值风洞法对斜拉桥部分周围流场进行数值模拟,得到斜拉桥周围流场的速度分布和斜拉桥表面的压强系数。
The relationship between the onset of CVD and meteorological factors including temperature, air pressure, relative humidity, wind velocity was analyzed by circular distribution analysis,.
圆分布分析脑血管病发病的季节规律;直线相关、多元逐步回归分析气象因素与脑血管病发病之间的关系。
The wind pressure distribution on the outside of high building:This part contained that: (1) The general regulation of the wind pressure distribution on the outside of tall building.
高层建筑外表面的风压分布规律这一部分内容包括:(1)高层建筑外表面风压分布的一般规律。
There exists the wind shear in the vertical distribution of the average wind speed in the convective boundary layer.
在对流边界层中平均风速垂直分布存在风切变现象。
According to this distribution law of the wind speed in the farm, the power energy production of the wind farm per year can be forecasted accurately by choosing right wind turbine generators.
根据此分布了解风电场的风速特性,通过选择适当的风力发电机组,可以比较准确地预测风电场年输出电能。
Usually, it can be deduced from the distribution of year's basic wind pressure.
通常,它可按年基本风压的分布推出。
The mean wind energy density, mean effective wind energy density and annual available time of wind energy are calculated by using Two-Parameter Weibull Distribution function of wind speed.
采用风速的韦布尔双参数方法测算出平均风能密度、平均有效风能密度,以及年风能可利用时间。
It is important to master the distribution of wind energy and the character of turbulence intensity in complex terrain for the micrositing of wind farms.
掌握复杂地形区域的风能分布和湍流强度特征对风电场的微观选址至关重要。
Finally, natural wind speed frequency distribution and the extreme wind speed in each section have been got by statistically processing of the routine calculation results.
最后,将编程计算结果进行统计处理,得到各区段的自然风风速频率分布以及风速极值。
The probabilistic distribution parameters of wind speed in wind farms are important indices that indicate wind energy statistical characteristics.
风电场风速概率分布体现了风能资源统计特性的重要指标。
Dune surface wind velocity distribution differences can lead to wind erosion and aeolian sand in different part of the dune.
沙丘表面风速分布的差异性是导致沙丘不同部位发生风蚀与风积的主要原因。
Aerodynamic characteristics and wind pressure distribution of vehicle-bridge coupled system is stud-ied based on numerical simulation by computational fluid dynamic method.
基于计算流体动力学,采用数值模拟的方法研究了车桥耦合体系气动力特性和风压分布。
Through analyse on cooling path of motor, distribution of wind scalar, wind speed and pressure difference of a motor operating at the ratings is obtained.
通过对电机冷却风道进行分析研究,得到电机在额定工况下,电机内部风量分布、风速值和压差。
Taking the distribution of mean wind velocity into account, the random crack growth model under variable amplitude load was established.
考虑平均风速的分布的影响,建立了随机荷载作用下的疲劳裂纹扩展模型。
The distribution of wind pressure of a mutual inserted multi-greenhouse was researched comprehensively on wind angles and canopy or non-canopy on the basis of wind tunnel test.
该文采用风洞试验方法,在不同风向角与是否安装遮阳幕的情况下对互插式连栋塑料温室的风压分布进行了详细的试验研究。
The influences of natural wind speed distribution and train running speed on the aerodynamic characteristics of the maglev train under crosswinds are probed in details.
深入探讨了自然风速分布和列车运行速度对磁悬浮列车横风气动力特性的影响。
The result of the modeling shows that the layout of the structures and the wind direction can jointly affect the distribution of the wind velocity and the CO concentration.
结果表明,十字路口的建筑物布局与风向共同作用,会对街区的风速和CO质量浓度分布产生很大影响。
It is important for micrositing a wind farm to master the distribution of wind energy in a complex terrain.
掌握复杂地形区域的风能分布对风电场微观选址至关重要。
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