1) pulsating ventilation
脉动通风
1.
The accomplishment of the control of local ventilation fan based on the theory of pulsating ventilation;
基于脉动通风原理的局部通风机控制的实现
2) pulsed ventilation
脉冲通风
1.
Numerical simulation and experimental study of gas transport in the upper corner of mining face under pulsed ventilation;
脉冲通风条件下上隅角瓦斯运移数值模拟与试验研究
3) fluctuating wind
脉动风
1.
Definition and identification of the fundamental mode of structures under fluctuating wind;
脉动风作用下结构基本模态的定义和识别
2.
Numerical simulation of fluctuating wind on transmission towers based on modified Von-karman spectrum
基于修正冯—卡门谱输入的输电塔结构脉动风数值模拟
3.
On the basis of auto-regressive(AR) model and considering spatial correlativity,the stochastically fluctuating wind acting on the beam-string structure was numerically simulated.
基于自回归(AR)模型考虑空间相关性,对张弦梁结构的随机脉动风进行数值模拟;利用有限元软件AN-SYS,考虑风速与结构速度的耦合作用,以材料阻尼模拟气动阻尼对结构进行风振响应分析,求得结构时程响应曲线;脉动风速样本的功率谱与目标功率谱比较结果吻合良好,表明所采用的随机过程模拟理论可靠,风速时程数据的计算机仿真程序有效;同时探讨参数变化对结构风振响应的影响。
4) wind impulse
风脉动
5) pulsating wind loading
脉动风载
6) fluctuating wind pressure
脉动风压
1.
Based on the cantilever arc roof wind tunnel test,the transform of continuous wavelet,the selection of the mother wavelet and the multi-resolusion analysis are made of the collected fluctuating wind pressure.
基于弧形挑篷模型测压风洞试验,对采集到的风压样本进行了连续小波变换、母小波的选取及多分辨率分析,并对各尺度上脉动风压小波系数和尺度系数的相关性进行了分析,识别了弧形挑篷风压在不同频率范围内的能量分布情况,并以不同频率范围内的风压信号相关性差异,确定脉动风压传播的频率范围。
2.
A 3D wind load test of heliostat in wind tunnel was carried out using surface pressure measuring technology and the distribution of mean wind pressure and fluctuating wind pressure at measured points of mirror s surface was obtained while wind direction angle varied from 0° to 180° and elevation angle varied from 0° to 90°.
采用表面测压技术对定日镜模型进行了三维风荷载风洞试验,得到了各测点风向角0°~180°范围内,竖向角为0°~90°情况下,镜面平均风压和脉动风压的分布,重点探讨了镜面脉动风压特性。
3.
Generally,interference effect of surrounding buildings can decrease the mean wind pressure and increase the fluctuating wind pressure,and the e.
得出的主要结论:上游建筑物的干扰一般会减小屋盖上的平均风压,增大屋盖上的脉动风压,且对迎风前缘的影响比对其他部位的影响大;周边建筑物的布置,也有可能产生"兜风效应"从而显著地增大风压;周边建筑的影响使风压分布更加分散,脉动风荷载对于总的设计风荷载来说不能忽略。
补充资料:阿斯曼通风干湿表(见通风干湿表)
阿斯曼通风干湿表(见通风干湿表)
AS iman tongfeng ganshibiao阿斯曼通风干湿表见通风干湿表。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条