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- The mean wind speed profile, the thickness of the atmospherics surface layer, the aerodynamics roughness and the turbulence intensity were obtained. 采用数值风洞方法和RNG 双方程湍流模型,模拟了在风洞中依靠边界层的自然增长所形成的大气表面层,得到了不同粗糙元配置条件下时均风速廓线、大气表面层厚度、空气动力学粗糙度和湍流度的变化规律。
- Effects of Turbulent Dispersion on the Wind Speed Profile in the Surface Layer 湍流频散对边界层风廓线的影响
- wind speed profile modeling 风速剖面模拟
- wind speed profile 风速廓线
- Three stages wind speed control. 三段风速控制。
- The wind speed had to be just right. 风速必须得恰倒好处才行。
- In an average wind speed 2.0 m / sec. 年平均风速为2.;0米/秒。
- In corresponding with AO zonal symmetric mode, zonal mean zonal wind exhibits dipolar pattern in winter which extends upward into stratosphere. 与北极涛动纬向对称型相联系的纬向平均纬向风在冬季表现为明显的偶极型,向上延伸到平流层;
- The time variations of the intensity of baroclinicity in zonal wind are in keeping with the timetable of the movements of monsoon. 纬向气流的斜压强弱的时间变动与夏季风进退相吻合;
- No leakage in the windows under wind speed of 60m/s or 216 km/hr. 风速每秒60米(时速216公里)之风力下,玻璃窗没有漏水。
- In the years with zonal wind anomalies, the circulation of high and low troposphere and the vertical motions in the troposphere have significant characteristics. 高低层纬向风异常年,对流层上、下部环流和对流层中垂直运动有显著的特征。
- It is found that the zonal wind components (meridional wind components) and the shears are smaller(greater) in clear day than those in cloudy day in August. 结果发现:在夏季8月,上述地区东西分量风速(切变)晴天均比阴天小,安多地区盛行偏西风,那曲地区盛行偏东风;
- Incline the wind meter to find the maximum wind speed direction. 运用风速计去发现最大风速及风向。
- The spring wind speeds the greening of the plants. 春风催绿。
- Close to the ground, wind speed increases quickly with height. 靠近地面,风速随高度迅速增大。
- DPi, DTi and WIi were dew period, dew temperature and wind speed. DPi,DTi,WIi分别代表露时、露温和风速。
- As MFP,matched field processing with time reversal(TR-MFP) is influenced by oceanic environmental information such as the sound speed profile and boundary conditions. 时间反转匹配场处理时,仍然需要知道海洋环境的先验知识,例如声场的声速分布,海洋边界条件等等。
- Surface roughness has a profound effect on wind speed. 地表粗糙度对风速有相当深刻的影响。
- Using the monthly dataset of NCEP/NCAR reanalysis, the zonal structure of the Arctic Oscillation (AO) and its correlation with the zonal-mean zonal wind and the meridional circulation are studied. 摘要运用NCEP/NCAR再分析月资料,分季节研究了北极涛动的纬向结构,以及与之相对应的纬向平均纬向风和经圈环流异常的空问结构特徵,并初步探讨了北极涛动的维持机制。
- An optimized ram speed profile fully uses the friction heat to keep the best flow characteristics, which corrects many of the fill and warpage problems. 最适化螺杆速度充分运用摩擦热,将塑流保持在最佳状态。许多充填和翘曲的问题也就迎刃而解。