船舶喷水推进介绍及设计方法

Introduction and Design Method of Marine Water-jet Propulsion

喷水推进是一种特殊的船舶推进型式,近二十年来才逐渐发展成熟。由于喷水推进具有噪声小、适应变工况能力强、抗空泡性能良好等优点,因而在高速、高性能船舶上得到越来越多的应用。文章分析了喷水推进的特点及工作原理,阐述了设计参数的计算和选择方法,最后总结了喷水推进器4种不同的设计流程。

Water-jet propulsion is a special marine propulsion type,has gradually developed and matured in the last twenty years.Water-jet propulsion has the advantages of low noise,strong adaptability to variable working conditions and high cavitation resistance,so has been used more and more in high-speed and high-performance ships.The characteristics and working principle of water-jet propulsion are analysed,and the calculation and selection method of design parameters are elaborated.Finally,four different design procedures of water-jet propeller are summarized.