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航空学报 > 1993, Vol. 14 Issue (1): 85-89

论文

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双转子涡喷发动机脉冲切油防喘控制研究

孙建国1, 胡世民1, 姜彩虹2, 孙万峰2   

  1. 1. 南京航空学院203教研室,南京 210016;2. 先阳航空发动机研究所 ,沈阳 110043
  • 收稿日期:1990-08-20 修回日期:1991-06-28 出版日期:1993-01-25 发布日期:1993-01-25

A STUDY OF SURGE CONTROL BY USING PULSE CUT-OFF FOR DUAL SPOOL TURBO-JET ENGINE

Sun Jian-guo1, Hu Si-mingJiang1, Cai-hong2, Sun Wan-feng2   

  1. 1. Faculty 203, Nanjing Aeronautical Institute, Nanjing, 210016;2. Shenyang Aeroengine Research Institute, Shenyang, 110043
  • Received:1990-08-20 Revised:1991-06-28 Online:1993-01-25 Published:1993-01-25

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摘要： 采用双转子涡喷发动机含喘振的数学模型,并以开大尾喷口诱喘模型为对象,用计算机仿真进行脉冲切油防喘控制规律研究,分析了脉冲切油诸参数对退喘效果的影响,并对某双转子涡喷发动机防喘控制系统设计提出了有益的建议。

关键词: 涡喷发动机, 喘振控制, 脉冲切油

Abstract: A dynamic model of dual-spool turbo-jet engine with post-stall capability is used in this paper. By utilizing this model, the surge is successfully induced by opening nozzle, main combustor fuel-step and throttling nozzle. The simulation results are coincident with test results obtained at home and abroad. The above dynamic model is adopted to simulate surge operation induced by opening nozzle and the mechanism of surge control of fuel pulse cut-off (FPCO) for duel-spool turbo-jet engine is investigated by computer simulations. The effect of parameters of FPCO on surge control is analysed. Some guide lines of surge control design for dual-spool turbo-jet engines are brought forward.

Key words: turbo一et engine, surge control, fuel pulse cut-off

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