wind velocity
[气象] 风速;风矢量
2025-06-28 22:27 浏览次数 11
[气象] 风速;风矢量
wind-velocity PSD风速谱
wind-velocity ratio风速比值
wind gust velocity阵风风速
wind friction velocity风摩擦速度
wind-velocity design设计风速
wind speed[气象] 风速
wind-velocity calibration风速校準
threshod wind erosion velocity临界侵蚀风速
the best wind supply velocity最佳送风速度
wind-velocity streamline风速流线
the critical wind velocity can be determined from the time-history of bridge section, which vibrates randomly in torsional direction. it is showed that …
通过微分方程的数值方法,得到扭转驱动的桥梁断面随机振动的时程曲线,从而得到随机失稳的临界风速。
by deriving the relationships between the travel time in the opposite directions of three axes and the airflow velocities, the wind velocity and direction are calculated.
通过超声波在三坐标轴向来回的传输时间与空气流速间的关系,求出三维风速与风向。
then, the influences of the slope angle, wind direction angle, charge mass ratio, electrostatic force and aerodynamic lift on the sand particle's threshold wind velocity are discussed in detail.
在此基础上,详细讨论了坡角、风向角、荷质比、电场力以及空气上升力对坡面沙粒起动风速的影响。
in addition, the height, density and perpendicularity of remnant stubble, straws and grass had influence on aerodynamic roughness and wind velocity fluctuation on different underlying surfaces.
此外,作物残茬、秸秆和牧草等粗糙元的高度、密度及直立性均对下垫面的空气动力学粗糙度、摩阻速度及风速脉动有一定影响。
the results show that the higher the wind velocity is, the faster the exhaust gas diffuse;
计算结果表明,外界风速越高,废气扩散得越快;
the paper presents a study on measuring the vent mean wind velocity of solar collecting wall in solar house.
本文对被动式太阳房集热墻风口平均风速的测定进行了研究。
aiming at the disadvantageous factor that the wind velocity of new breeze standing well is over, and brings upped the suggestion that pressure is added to sent wind.
针对新风竖井风速过大而造成的不利性,提出了对风速较大的新风竖井进行加压送风的建议。
the result indicated that threshold wind velocity of soil erosion is non-linearly and positively related to shrub coverage;
结果表明:临界侵蚀风速与灌木林盖度之间为非线性正相关关系;风速廓线受灌木林盖度的影响显着;
simulation of stochastic wind velocity field is prerequisite to flutter or buffeting analysis of long-span bridges in time-domain.
随机脉动风场的模拟是大跨度桥梁颤抖振时域分析的前提。
the critical wind velocity in sloping tunnels will be different from horizontal tunnels due to the stack effect.
在坡度隧道中,由于火风压的作用,临界风速与水平隧道临界风速相比会有一定的差异。
the relation of wind velocity and total amount of sand transport also changes with vegetation coverage: on shifting sandy land, wind velocity has a cubic function to the sand transport;
随着植被盖度的变化,风速与输沙率的关系也发生变化:流动沙地上风速与输沙率呈三次函数关系;
according to the different wind direction, wind velocity and smoke vent area, five fire scenarios are built.
依照不同风向、风速及排烟口面积,设置五个火灾场景。
the meteorology modeling system, version 5(mm5), was used to obtain the wind velocity and direction data.
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 differences in relative humidity, temperature and vapor pressure deficit between inside and outside the screen-house decreased with the wind velocity increasing.
网室内外小气候要素(相对湿度、温度和饱和水汽压差)的差异随着风速的增加而减小;
the influence of colonization on several crops under different operating pressure and spray volume and wind velocity of biocontrol strains were studied.
研究了施药机具喷雾压力、药液流量和工作风速对几种生防微生物在不同作物叶片上定殖的影响。
on this basis, we draw the conclusion that the influence from the wind velocity and volume fraction of the sand phase.
结果表明:随风速的增大,同一位置处沙粒体积分数不断减小;
interrelation between the quantities of bacterium and mould in atmosphere and the wind velocity was researched. results show that both are not interrelated in winter for a cold climate in qiqihaer;
通过对大气细菌数量、霉菌数量与风速相关性的研究,得出齐市地区冬季气候寒冷,无相关性;
the influence of wind velocity on noise measurement of sound level has been introduced and the permitted wind velocity has been determined.
介绍了风速对噪声声级测量的影响,确定了噪声测量的风速允许值。
on semi-fixed sandy land wind velocity has a power function to the sand transport;
半固定沙地风速与输沙率为幂函数关系;
using this model, the vertical distributions of temperature, moisture and wind velocity around buildings for a hypothetical district could be calculated.
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。
the wind environment around chongqing grand theater is measured. according to the ratio of wind velocity k, the wind environment around the building is evaluated.
对重庆大剧院周围风环境进行了测量,并根据人群主要活动场所的风速比值,评价了该建筑周围的风环境。
the information for the system characteristics varied with both the reduced and the wind velocity can be provided.
该方法能提供系统各模态的频率和阻尼比随折减风速或自然风速而变化的全过程情况。