| 改善高空台试验中发动机性能参数不确定度的方法探讨 |
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| 引用本文： | 刘志友,马前容,师伟.改善高空台试验中发动机性能参数不确定度的方法探讨[J].燃气涡轮试验与研究,2011,24(1):1-7. |
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| 作者姓名： | 刘志友 马前容 师伟 |
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| 作者单位： | 中国燃气涡轮研究院,四川江油,621703 |
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| 摘 要： | 介绍了发动机高空模拟试验中发动机性能参数不确定度控制与改善的需要和需求背景,分析了空气流量等发动机性能参数不确定度的影响因素,重点探讨了进气压力、高空舱压力等主要冈索对发动机性能参数不确定度的影响及其确定方法,并在此基础上提出了基于已有测试系统改善其参数测量不确定度的实用方法.
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| 关 键 词： | 航空发动机 高空模拟 性能参数 不确定度 测试技术 |
Methods of Aero-engine Performance Parameter Uncertainty Improvement in Simulated Altitude Test |
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| LIU Zhi-you,MA Qian-rong,SHI Wei.Methods of Aero-engine Performance Parameter Uncertainty Improvement in Simulated Altitude Test[J].Gas Turbine Experiment and Research,2011,24(1):1-7. |
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| Authors: | LIU Zhi-you MA Qian-rong SHI Wei |
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| Institution: | LIU Zhi-you,MA Qian-rong,SHI Wei(China Gas Turbine Establishment,Jiangyou 621703,China) |
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| Abstract: | This paper introduces requirements and background of the uncertainty control and improvement for aero-engine performance parameters in simulated altitude tests.It also analyses affecting factors for air flow and the other performance parameter uncertainties.The major influence elements on the performance parameter uncertainty(such as inlet pressure and cell pressure) and its estimation methods are discussed.On the basis of above-mentioned discussion,some practical methods are put forward to improve the rela... |
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| Keywords: | aero-engine altitude simulating performance parameter uncertainty measurement technique |
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