摘要
用实验和相关理论分析方法，探讨二元淹没射流作用下壁面脉动压力的相关关系与频谱特征，提出点面脉动压力频谱转换的计算方法．
ubmerged jets are usual and important phenomena in hydraulic engineering.In this paper, based on experimental data and the correlation analysis method, the correlation and spectrum characteristics of wall fluctuating pressure by two-dimensional submerged jets are investigated. The formula for transforming the spectral function of point fluctuating pressure to that of area fluctuating pressure is developed. The results are conducive to reveal the mechanism of wall pressure fluctuation, important and essential to evaluate the vibration of structures induced by flows and the stability of apron in stilling basin.
出处
《天津大学学报》
EI
CAS
CSCD
1994年第6期691-697,共7页
Journal of Tianjin University(Science and Technology)
关键词
水流
脉动壁压
频谱转移
二元淹没
射流冲击
wall fluctuating pressure, Taylor's frozen hypothesis, time-space correlation,spectrum transformation
