This paper has analyzed the relationship of flow, pressure pulsation and noise in hydraulic system, and has inquired into generation and propagation of fluid noise in the system.
本文分析了液压系统流量、压力脉动与噪声的关系，对系统的流体噪声产生与传播进行了一些探讨；
2
The authors analyzed the influential factors of flow rate and the relationship between flow rate and pressure limiting and hence proposed a set of typical presetting injection parameters.
本文主要讨论了影响流率的相关因素，以及流率与压力限制之间的关系。总结出了一套典型的注射参数予置值。
3
Based on stress and cavity relationship of particles in gas-solid two phase flow field, quantitative correlation of pressure and density of pyrotechnic charges was deduced.