Based on the theory of cavitating flows,the definition of supercavitation,the main idea of reducing drag by ventilated cavitation and the principle of supercavitation torpedo are introduced.

• 文章从空泡流理论出发,介绍了超空泡的定义、超空泡减阻的基本思想和超空泡鱼雷的工作原理,并分析了超空泡技术研究中的关键问题和未来发展趋势。