AR816 anemometer with ultra small impeller integrally anemometer, maximum, current value, average wind speed, wind temperature, wind velocity response of analog display, pocket-sized portable model.
AR 816风速计具有超小型叶轮一体式风速计,最大、当前值、平均风速、风温测量,风速反应模拟条显示,袖珍便携机型。
The instantaneous moving mode of sand mass is divided into 4 types, namely: rolling, jumping, suspending, and running away, when the wind speed reaches the threshold velocity of sand-driving wind.
文章研究将沙粒在风速达到沙粒的起动风速时沙粒的瞬间起动方式分为4种,即:滚动、跳跃、悬浮和飞扬4种。
For a low speed blow down wind tunnel with semi-open test section, the effectiveness of main flow damper in rapidly changing test velocity is verified through experimental research.
通过实验研究证明了用主流阻尼器快速调节半开口直流式低速风洞的实验风速的可行性。
The wind speed trends for the winter and spring, the troposphere, the lower wind speed decreased significantly, the stratospheric wind velocity increased significantly.
各季风速变化趋势为冬季、春季对流层中、下层风速下降显著,平流层风速风速上升显著。
The low speed wind tunnel data acquiring and the closed loop controlling of wind velocity are realized by PLC and human machine interface and inverter from Fuji.
采用富士plc、人机界面与变频器实现了低速风洞数据采集和风速的闭环控制。
The research results showed that the boosted wind speed or the velocity of gas leakage accelerated the gas diffusion, and the diffused gas concentration to the leeward side was decreased.
通过对泄漏气体扩散边界的研究,可确定泄漏气体扩散形成的危险域。
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.
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;
The results show:For the same wind speed, as the wake away from the wind rotor, the wake velocity gradually closer to flow velocity;
计算分析得出,对于同一风速,随着尾流远离风轮,尾流速度逐渐接近来流风速;
It is very complex to calculate the aerodynamic drag of high-speed train running in railway tunnel with multi -shafts. And the difficulty is to calculate the velocity of piston wind.
在高速列车空气阻力计算中,多竖井隧道的列车空气阻力计算比较复杂,其难点在于多竖井的活塞风计算。
It is very complex to calculate the aerodynamic drag of high-speed train running in railway tunnel with multi -shafts. And the difficulty is to calculate the velocity of piston wind.
在高速列车空气阻力计算中,多竖井隧道的列车空气阻力计算比较复杂,其难点在于多竖井的活塞风计算。
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