Cryogenic Cavitating Flow in 2D Laval Nozzle

查看全文 作　　者：Naoki [1]Tani;Toshio [1]Nagashima 机构地区：[1]Department of Aeronautics and Astronantics,University of Tokyo,Japan,Department of Aeronautics and Astronantics,University of Tokyo,Japan 出　　处：《Journal of Thermal Science》索引2003年第12卷第2期,共5页 摘　　要：Cavitation is one of the troublesome problems in rocket turbo pumps,and since most of high-efficiency rocket propellants are cryogenic fluids,so called 'thermodynamic effect' becomes more evident than in water.In the present study.numerical and experimental study of liquid nitrogen cavitation in 2D Laval nozzle was carried out ,so that the influence of thermodynamic effect was examined.It was revealed that temperature and cavitation have strong inter-relationship with each other in thermo-sensitive cryogenic fluids. 关 键 词：计算流体力学 CFD 喷流 两相流 空化 低温