关键词: 激光点火;发动机试验;推进剂点火;推进剂熄火;固体火箭发动机

Abstract: The experimental equipment for ignition of small solid rocket motor with laser and the extinction set are described and the preliminary experimental result on extinction and reignition of small solid rocket motor with HTPB propellant under lower pressure is also given in this paper.

Key words: Laser ignition;Ignition of propellant;Extinguishment of propell-ant;Solid rocket engine;Engine test