1) tube-pressure fluctuation
壁压波动
1.
In order to understand the intrinsic mechanism of heterogeneity,non-linearity and chaotic behavior of fluid system in Kenics static mixer (KSM),the signals of tube-pressure fluctuation dynamics with different flow rates were collected with a high speed collector.
结合小波变换模极大值理论,对采集的不同进口流量下壁压波动时间序列用Daubechies二阶小波提取1～7尺度下的特征信号,并分别对提取的信号进行R/S分析。
2) wall pressure fluctuation
脉动壁压
1.
The wall pressure fluctuation acting on the apron of the stilling pond was studied experimentally in order to understand its characteristics.
为进一步了解水流作用于消力池导墙上脉动压力的特性,通过模型实验获得了作用于消力池导墙上的脉动壁压信号,讨论了消力池导墙脉动壁压的统计特性。
2.
For better understanding the statistic characteristics of wallpressure fluctuation, the intensity and spectrum function of vertically impinging jet were experimentally investigated, and the method of proper orthogonal decomposition and low order approximation was also used to study the sequential signals of the wall pressure fluctuation of impinging jet.
为更好地了解冲击射流脉动壁压的统计特性,通过实验对其脉动壁压强度与频谱特性进行了研究,并对冲击射流脉动壁压时序信号的正交分解与低阶近似进行了探讨。
3) fluctuating wall pressure
脉动壁压
1.
Applying with probability therory and X2 check method, this paper has proved the fluctuating wall pressure of the pier-body produced by aeratedflow-splitting pier to be with normal probability distribution.
本文对掺气分流墩墩头脉动壁压采用中心及无量纲处理，用堆排序法及本文提出的最佳区间划分法进行频率等参数的统计计算，通过经验概率密度、分布函数与标准概率分布比较，依据格利文科定理判定和Ｘ２检验两种方法，论证了脉动壁压概率分布服从正态分布规律。
4) wall pressure fluctuations
壁脉动压强
1.
The vortex shedding frequency and the wall pressure fluctuations were measured with the aim of analying the effect of changing the clearance ratio shedding and the wall pressure fluctuations when the circular cylinder bed in the air turbulent boundary layer.
测量了尾涡脱落频率和平板表面压强脉动,目的是分析当圆柱嵌入空气湍流边界层的情况下,间隙比值对尾涡脱落频率及壁脉动压强的影响。
5) compressible wavy wall flow
波形壁可压缩流
6) boundary layers of moving wavy wall
动波浪壁边界层
补充资料：古意题徐令壁（一作题著作令壁）
【诗文】：
白云苍梧来。
氛氲万里色。
闻君太平世。
栖泊灵台侧。
【注释】：
【出处】：
全唐诗：卷84_54
白云苍梧来。
氛氲万里色。
闻君太平世。
栖泊灵台侧。
【注释】：
【出处】：
全唐诗：卷84_54
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