• 需要利用多尺度分析理论进行分析,建立强风下平稳风速模型

    So the nonstationary wind speed mode based on the theory of multi-scale analysis method is required.

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  • 自然风模拟风速曲线实际风速曲线比较证明风速模型合理性。

    The wind speed model is proved to be correcet by comparison of the natural wind speed simulation and the actual wind speed curve.

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  • 考虑风电场内机组间尾流效应风速模型准确地描述风速扰动风电场输出功率波动使研究结果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.

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  • 该文针对风速随机变化特性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.

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  • 研究小组使用模型处理一系列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.

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  • 节段模型风洞试验研究涡共振风速锁定范围最大振动幅值一种重要手段

    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.

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  • 模型理想化街区对象,进行建筑周边微环境的温湿度风速垂直分布变化。

    Using this model, the vertical distributions of temperature, moisture and wind velocity around buildings for a hypothetical district could be calculated.

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  • 考虑平均风速分布影响,建立随机荷载作用疲劳裂纹扩展模型

    Taking the distribution of mean wind velocity into account, the random crack growth model under variable amplitude load was established.

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  • 模型中,CA状态跃迁规则坡度风速风向湿度树种紧密相关。

    In the model, CA transition rules were modified in accordance with the slope, wind speed and direction, humidity and tree species.

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  • 这种情况下他们使用温度气压提供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.

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  • 该种模型考虑由于风速不稳定所带来的作用风力叶片分布载荷不确定因素,并假定风力机的设计寿命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.

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  • 系统用于扁平采场模型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.

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  • 建立仿真模型并进行模拟优化,最终确定达到最佳风选效果风速风力倾斜角多个参数

    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.

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  • 引入风力模型分析了比为6方形截面高层建筑不同地貌风速条件下风向风振响应

    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.

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  • 为了估测,开发者统计模型获得一个“P 90”的气流值——是个平均风速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.

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  • 初始台风环流台风中心海平面气压最大风速确定一个模型环流。

    The initial typhoon circulation is a bogus pattern determined by the central surface pressure and the maximum wind speed of the typhoon being predicted.

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  • 本文仿真风速风机特性同时,构造整个系统模型并对变速恒频和恒速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.

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  • 文章介绍炉膛模型详细尺寸对炉膛进入第二自模化所需风量、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.

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  • 首先,运用标定计算得到目标速度, 用以修正火控瞄准误差引入综合风速简化火控计算模型

    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.

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  • 根据风速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.

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  • 根据风速分布特征采用模型的方法,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.

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  • 风电机组数学模型主要包括轮机模型传动机构模型异步发电机模型仿真分析了风电机组对于风速分量的响应

    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.

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  • 因此选择模型反演全球的月平均风速反演结果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.

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  • 模拟大气边界层实验,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。风速航空洞低。

    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.

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  • 模型定量描述气体扩散地面浓度分布,能快捷科学地预测浓度和风速大气稳定以及时间空间关系

    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.

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  • 我们利用中尺度气象模型MM5模拟气象场,计算得到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.

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  • 利用GZ-1型热风干燥试验台浓度混合溶液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).

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  • 研究表明火源条件设定对于数值模拟结果显著影响,对于热释放率较小火灾,采用单纯热源模型预测临界通风速安全。

    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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  • 研究表明火源条件设定对于数值模拟结果显著影响,对于热释放率较小火灾,采用单纯热源模型预测临界通风速安全。

    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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