这就需要利用多尺度分析理论进行分析,建立强风下的非平稳风速模型。
So the nonstationary wind speed mode based on the theory of multi-scale analysis method is required.
并将自然风模拟风速曲线与实际风速曲线比较,证明该风速模型的合理性。
The wind speed model is proved to be correcet by comparison of the natural wind speed simulation and the actual wind speed curve.
考虑风电场内机组间尾流效应的风速模型能较准确地描述风速扰动下风电场输出功率的波动,使研究结果更具有实际意义和价值。
The wind speed model considering wake effect can describe power output of wind farm more accurately under wind speed fluctuation, therefore the study result is more practical.
该文针对风速随机变化的特性,在风速统计特性研究的基础上,用自回归滑动平均(ARMA)方法建立了具有一定功率谱密度特性的风速模型。
This paper deals with stochastic characteristic of the wind speed, and gives an auto-regressive moving-average (ARMA) model for wind speed subjected to particular power spectral density.
该研究小组使用此模型处理一系列的方程式,运算数百万的数据包括风速、温度、湿度等大气状况。
The research team uses the model to run millions of numbers -- atmospheric conditions like wind speed, temperature, and moisture -- through a series of equations.
节段模型风洞试验是研究涡激共振风速锁定范围和最大振动幅值的一种重要手段。
Wind tunnel test of sectional model is an important means for determining lock-in region of wind speed and maximal amplitude of vortex-excited resonance.
该模型以理想化的街区为对象,可进行建筑周边微环境的温湿度、风速的垂直分布变化。
Using this model, the vertical distributions of temperature, moisture and wind velocity around buildings for a hypothetical district could be calculated.
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。
Taking the distribution of mean wind velocity into account, the random crack growth model under variable amplitude load was established.
在该模型中,CA状态跃迁规则与坡度、风速、风向、湿度和树种紧密相关。
In the model, CA transition rules were modified in accordance with the slope, wind speed and direction, humidity and tree species.
在这种情况下,他们使用的温度,气压和所提供的风速数据就是预测模型,用以收集风力发电机本身的数据。
In this case, they use the temperature, atmospheric pressure and wind speed data provided by forecasting models, as well as the data gathered by the aerogenerators themselves.
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。
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.
该系统曾用于扁平型采场模型内风速分布的测定,结果令人满意。
The system has been tested out in a flat stope model and the results were good.
建立了仿真模型并进行模拟优化,最终确定了达到最佳风选效果的风速、风力倾斜角等多个参数。
The simulation model was established to precede simulation optimizations, and then the optimum data of wind speed, inclination Angle of wind and other parameters were verified.
引入横风力谱模型,分析了某高宽比为6的方形截面高层建筑在不同地貌和风速条件下的横风向风振响应。
With the across-wind force spectrum, the across-wind dynamic responses of tall square-section buildings with aspect ratio of 6 is analyzed in the conditions of different ground and wind velocities.
为了估测,开发者用一个统计模型获得一个“P 90”的气流值——这是个平均风速,它能有90%的确定性。
To calculate this, developers use a statistical model to obtain a "P90" wind value-the average wind speed in which they can be 90% confident.
初始台风环流是由台风中心海平面气压与最大风速所确定的一个模型环流。
The initial typhoon circulation is a bogus pattern determined by the central surface pressure and the maximum wind speed of the typhoon being predicted.
本文在仿真风速和风机特性的同时,构造整个系统模型并对变速恒频和恒速恒频技术的优缺点进行了仿真分析比较。
It also builds the mathematic model of all section of VSCF AC exited wind power generation system on ab-b and dq coordinate system by the coordinate commutation technology.
文章介绍了炉膛模型的详细尺寸,并对炉膛进入第二自模化区所需风量、风速进行了核算。
Article introduce burner hearth detailed size of model, check and calculate wind amount and wind speed that the boiler need to enter second mould area.
首先,运用二次标定法计算得到目标速度, 用以修正火控瞄准误差,并引入综合风速来简化火控计算模型;
Firstly, the velocity of target was educed from the secondary calibration to correct the collimation error, and the incorporated wind speed was introduced to simplify the model of fire control.
根据风速的多时间尺度特性,建立风能转换系统非线性机理模型。
According to the multiple time-scale of wind speed, the nonlinear mechanical model is built for WECS.
根据风速的分布特征,采用多模型选优的方法,确定了山脊防火林带迎风面的相对风速预测模型。
Based on the feature of the wind speed, the forecasting models of wind speed in the aweather area of the firebreak tree belt had been established using the multi_model optimization.
风电机组的数学模型主要包括风轮机模型、传动机构模型和异步发电机模型,仿真分析了风电机组对于风速四种分量的响应。
Wind generator model includes wind turbine model, transferring structure model and asynchronous generator model. Response of wind generators to four kinds of wind speed is simulated and analyzed.
因此选择该模型反演全球的月平均风速,并将反演结果与NOAA产品风速比较。
Therefore, this model is chosen to retrieve the global monthly-average wind speed, and the retrieval results are compared with the NOAA products.
为模拟大气边界层,实验段较长,实验模型放在实验段后部。为减小轴向静压梯度顶板高度分段可调。风速比航空凤洞低。
In order to simulate boundary layer in atmosphere, the length of first test section is longer than usual one, the models are put into the rear part.
该模型能定量地描述气体扩散地面浓度分布场,能快捷和科学地预测浓度和源强、风速、大气稳定度以及时间空间等的关系。
The model could describe the concentration field quantitatively, and predict the relationships between concentration and source strength, wind velocity, atmospheric stability, space-time and so on.
我们利用中尺度气象模型MM5模拟气象场,计算得到了全年石家庄市风向、风速数据。
The Meteorology Modeling system, version 5(MM5), was used to obtain the wind velocity and direction data.
利用GZ-1型热风干燥试验台对低浓度糖盐混合溶液渗后胡萝卜丝进行单困子试验,初步确定了物料干燥过程中的临界水分值,得出不同风温、风速下的薄层脱水模型。
In this paper, test and research on the air-drying performance for carrot slit after osmosis lower concentration solution (sugar+NaCl) were conducted on the air-drying trst desk (Model GZ-1).
研究表明火源条件设定对于数值模拟结果有显著影响,对于热释放率较小的火灾,采用单纯热源模型预测临界通风速度较安全。
The simulation results were compared with the previous study and the small-scale experiments. It shows that the choice of the fire source model has significant influence on simulation results.
研究表明火源条件设定对于数值模拟结果有显著影响,对于热释放率较小的火灾,采用单纯热源模型预测临界通风速度较安全。
The simulation results were compared with the previous study and the small-scale experiments. It shows that the choice of the fire source model has significant influence on simulation results.
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