The theory of S1 and S2 stream surface was applied to calculate and analyze the internal transonic flow field for a two-stage axial turbine used in turbopump for liquid rocket engine.

• 摘要应用S1,S2流面理论对某大型液氢／液氧火箭发动机涡轮泵的两级轴流式涡轮内部跨声速流场进行计算和分析。