强激光与粒子束2025，Vol.37Issue(2)：31-36,6.DOI:10.11884/HPLPB202537.240290
DF化学激光器扩压器恢复压力的研究
Study on recovery pressure of diffuser for DF chemical laser
郭洲 1张洪强 1杨珍 1颜飞雪1
作者信息
- 1. 中国船舶集团有限公司第七一八研究所,河北 邯郸 056027
- 折叠
摘要
Abstract
In development of high-energy chemical laser,the research of diffuser pressure recovery has important engineering application value.In this paper,the diffuser of DF chemical laser is studied by numerical simulation and experiment.The effects of diffuser divergence angle and secondary-throat on diffuser performance are calculated,analyzed and verified by experiments.The results show that the diffuser with 8°divergence angle has weak ability to resist back pressure,and reducing the divergence angle to 5°can effectively improve the ability to resist back pressure.The further optimized supersonic diffuser with secondary-throat can increase the recovery pressure of the diffuser again,reduce the energy loss of the air flow and improve the anti-back pressure characterisitics.At the same time,experimental verification is carried out for different models of diffusers,and the result is consistent with the trend of numerical simulation results.关键词
压力恢复/扩压器/扩张角/二次喉道/化学激光器Key words
pressure recovery/diffuser/divergence angle/secondary-throat/chemical laser分类
力学引用本文复制引用
郭洲,张洪强,杨珍,颜飞雪..DF化学激光器扩压器恢复压力的研究[J].强激光与粒子束,2025,37(2):31-36,6.
