| 可变喷管涡扇发动机加速性和稳定性预测 |
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| 引用本文： | 王进,林宏镇.可变喷管涡扇发动机加速性和稳定性预测[J].推进技术,2003,24(1):9-11. |
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| 作者姓名： | 王进 林宏镇 |
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| 作者单位： | 空军第八研究所,北京,100076 |
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| 摘 要： | 为研究可变喷管调节规律对涡扇发动机加速性和稳定性的影响，基于某型涡扇发动机变几何部件特性，应用变比热容方法建立了发动机加速动态仿真模型，针对不同的喷管调节方案对发动机加速性和稳定性进行了计算和综合分析，结果表明，所建立的仿真模型不仅可用于可变喷管涡扇发动机加速过程的加速性及稳定性预测，也可用于可变喷管涡扇发动机加速过程喷管调节规律的优化设计。
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| 关 键 词： | 涡轮风扇发动机 可调截面喷管 加速性能 稳定性 数值仿真 飞机 |
| 文章编号： | 1001-4055(2003)01-0009-03 |
Prediction of acceleration and stability for variable nozzle turbofan engine |
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| WANG Jin and LIN Hong,zhen.Prediction of acceleration and stability for variable nozzle turbofan engine[J].Journal of Propulsion Technology,2003,24(1):9-11. |
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| Authors: | WANG Jin and LIN Hong zhen |
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| Institution: | The Eighth Inst., Air Force, Beijing 100076, China;The Eighth Inst., Air Force, Beijing 100076, China |
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| Abstract: | To study the effects of variable nozzle control laws on turbofan engine acceleration and stability,a model was presented to simulate the acceleration dynamic performance of turbofan engine with variable nozzle. Based on different nozzle control laws, the engine acceleration and stability were computed and analyzed. It was found that the dynamic model can be used not only to predict of acceleration and stability of variable nozzle turbofan engine in accelerating, but also to optimize the design of the nozzle control laws. |
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| Keywords: | Turbofan engine Variable area nozzle Acceleration performance Stability Numerical simulation |
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