CONTROL OF HIGH FREQUENCY COMBUSTION VIBRATIONS WITH INJECTOR BAFFLE IN LIQUID ROCKET ENGINE

• 作 者: S.J.Feng;Y.F.Cheng;W.S.Nie;F.C.Zhuang;
• 机 构: Department of Space Equipment,the Academy of Equipment Command & Technology,Beijing 101416,China
• 出 处: The Third International Conference on Dynamics,Vibration and
• 发表日期: 2010年期

　　Oxygen/hydrogen propellant liquid rocket engine is often used as the propulsion and power system of large-scale space launchers.The oxygen/hydrogen rocket engine is less sensitive to combustion instability compared with other propellant combinations, however, the problem of instable combustion would become increasingly serious as the thrust performance is improved and the operational range is enlarged.In the hot-firing tests of LOX/GH2, rocket engines, the high frequency combustion instability is usually encountered unexpectedly.