| 某小型涡轮喷气发动机改进设计 |
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| 引用本文： | 戴四敏,于军,孙杨.某小型涡轮喷气发动机改进设计[J].航空发动机,2008,34(4):8-10. |
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| 作者姓名： | 戴四敏 于军 孙杨 |
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| 作者单位： | 中国航天科工集团三院三十一所,北京,100074 |
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| 摘 要： | 某型中程、中高空无人飞行器研制对动力装置提出了更高的性能要求.对某型涡轮喷气发动机进行了改进、改型设计.在结构和性能等方面采用了多项技术改进措施,提高了发动机的1次连续运行时间,延长了累计使用寿命,并使发动机的增压比、绝热效率和空气流量都得到了不同程度的提高;对第1级压气机转子重新进行了全三维气动设计,改善了压气机部件性能,增大了发动机在最大转速下的推力,降低了发动机的单位耗油率.
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| 关 键 词： | 涡轮喷气发动机 结构 性能 改进设计 |
Improved Design of a Small Turbojet Engine |
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| Authors: | DAI Si-min YU Jun SUN Yang |
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| Institution: | DAI Si-min,YU Jun,SUN Yang(China Aerospace Science , Industry Corporation,Beijing 100074,China) |
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| Abstract: | The higher performance requirements of power plant were introduced for an unmanned air vehicle development for medium range,medium and high altitude.The improved and modification designs were conducted for a turbojet engine.Some improved actions were used in the structure and performance etc which improved one continuous running time,extended the cumulative service life,and improved the engine pressure ratio,adiabatic effectiveness and airflow in various degrees.3D aerodynamic design of the first stage comp... |
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| Keywords: | turbojet engine structure performance improved design |
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