摘要
利用X射线诊断系统 ,观察了固体火箭发动机热试车条件下潜入喷管背壁区熔渣粒子的溢流过程 ,得到了实验条件下的潜入喷管背壁区熔渣生成沉积数据和图像 ,分析探讨了喷管潜入深度、喷管喉部面积对背壁熔渣生成和溢流过程的影响 ,为发动机的设计提供了实验依据。
Real time X-ray radiography system was used to observe the slag accumulation and flow of back wall region of submerged nozzle in solid rocket motor. Data and image were obtained. The main conclusions are as follow: (1) There exist slag particles in all back wall region, and the particle concentration is low in the center of back wall region. (2) When the submerged depth varies from 23 mm to 33 mm, the slag weights increase. (3) As the area of nozzle throat reduces, the slag accumulation also increases.
出处
《推进技术》
EI
CAS
CSCD
北大核心
2001年第3期204-206,共3页
Journal of Propulsion Technology
基金
国家重点实验室基金资助
