Variations in pressure with and without aeration in cavitation region are measured and the compressible characteristics of pressure waveforms and relation between Mach number and compression ratio are analyzed; the time-averaged pressure profiles of diffe
Variations in pressure with and without aeration in cavitation region are measured and the compressible characteristics of pressure waveforms and relation between Mach number and compression ratio are analyzed; the time-averaged pressure profiles of diffe
实测了空化区掺气前后压力的变化，分析了压力波形的可压缩流特征以及马赫数与压缩比的关系；实测了空蚀区不同掺气浓度的时均压力分布，分析了压力随掺气浓度的变化及背压对空蚀的影响；提出减免空蚀的最低掺气浓度与流速的关系，比较了掺气前后水流的空化数。