进水方式对水冲压发动机性能的影响  

Effects of water spray mode on water ramjet performance

作　　者：霍东兴[1] 何国强[1] 陈林泉[2] 王建儒[2] 陆贺建[2] 

机构地区：[1]西北工业大学航天学院,西安710072 [2]中国航天科技集团公司第四研究院第四十一所固体火箭发动机燃烧热结构与内流场国防科技重点实验室,西安710025

出　　处：《固体火箭技术》2010年第1期30-33,共4页Journal of Solid Rocket Technology

基　　金：自然科学基金项目(50676087)

摘　　要：在一次燃气参数及总水燃比相同的情况下,研究了进水方式对水冲压发动机性能的影响,所得结论得到了试验结果的部分验证。研究表明,要使发动机获得较高比冲,进水方式的设计至少应该遵循两个原则——一次进水流量和活性铝粉流量接近1∶1;后部进水位置尽量靠前,以使所有水雾都能完全蒸发。The effects of water spray mode on water ramjet performance were studied under the same fuel gas parameters and to- tal water fuel ratios conditions. The conclusions were validated partially by the test data. The results show that at least two principles should be obeyed during designing the water spray mode for obtaining higher specific impulse, namely, mass flow ratios of H2 0 and A1 should be nearly 1： 1, and rear water spray location should be possibly close to head so as to make water fog evaporated completely.

关 键 词：水冲压发动机 进水方式 雾化喷嘴 铝水反应 

分 类 号：V438[航空宇航科学与技术—航空宇航推进理论与工程]