【摘要】 从理论上论述了非定常水射流的调制原理,特别是对射流的液珠化过程以及调制后射流与靶体的碰撞作了较详细的分析。简要概括了形成非定常水射流的各种外间断法和内调制法,并分析了各种方法的优缺点。通过对这些方法进行比较,得出激振荡射流和混沌调制冲击射流是比较有发展前途的水射流技术。更多还原

【Abstract】 The modulation mechanism of unsteady water jet is discussed in theory, especially the processes ofl iquid-to-beada nd thec ollision betweenj ets andt arget-objectsa fterm odulation area nalyzedi nd etail.A ll kinds of external interruption methods and internal modulation methods about forming unsteady water jet are simply summarized, The advantages and disadvantages of these methods are also presented. According to the comparisono f thesem ethods,t hes elf-excitedo scillationw aterj eta ndi mpactingw aterj ett hroughm odulation of chaos are points out to be promoting.更多还原