flow frequency meaning in English
流量频率
Examples
- The experimental results show that the unsteady flow frequency domain performances of the axial flow compressor will be varied with mass flow , rotating speed , blade row spacing and inlet distortion
实验结果表明,工作流量、工作转速、动?静叶排轴向间距以及进气畸变均对压气机的非定常频谱特性产生影响。 - In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow , rotating speed and blade row spacing , plus inlet flow distortion , and considering aerodynamic characteristics and stability of the compressor , the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies . a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip , middle and hub section , then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data
为探讨轴流压气机在工作流量、工作转速及动?静叶排轴向间距变化时的叶片排流场非定常频谱特性变化规律,并耦合进气畸变的影响,同时与压气机气动性能和气动稳定性相关联,作者利用南京航空航天大学能源与动力学院的低速大尺寸轴流压气机( lsc )试验器,采取在静子叶片表面埋入动态压力传感器的实验方法,对叶尖、叶中和叶根三个截面的动态压力进行了测量,获得了大量的可靠的实验数据。 - ( 2 ) gene flow frequency was reduced as distance from pollen donor increased and a dramatic reduction occurred at about 2 meters . the maximum distance where gene flow was not detected was 50 m for hybrid rice while it was 70 m for ms lines , with an exception that in one of the four ms lines it was detected a frequency of gene flow 2 . 8 + 10 - 6 at 150 m for zhong 9a
在开花期主流风向ne的风速为0 . 2 ? 2 . 2m / sec的条件下, 2个杂交稻品种的最大漂流距离为40m ; 4个不育系的基因漂流基本上到60m为止, 70m处基因漂流频率均降为0 ,仅中9a在150m处发现了1株basta抗性苗,经pcr检测验证为阳性。 - Secondly , my paper researched low flow frequency analysis in karst drainage and selected four types of the theoretic frequency distributions . log - normal distribution and p - iii distribution are applicable to low flow frequency analysis in karst region by caculating and comparing . furthermore , the low flow frequency distrbutions are almost same in these drainages of different types of landforms
二是对喀斯特流域的枯水频率分析作了初步研究,选择了四种理论频率曲线经过计算和比较,得出适用于喀斯特地区枯水频率分析的线型是对数正态分布和皮尔逊?型( p ? )分布,并且流域中地貌类型的差异对枯水频率曲线的选择几乎是无影响。