| 发动机通风冷却系统的影响因素分析 |
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| 引用本文： | 王玉梅,吕美茜.发动机通风冷却系统的影响因素分析[J].工程与试验,2011,51(2):16-18. |
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| 作者姓名： | 王玉梅 吕美茜 |
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| 作者单位： | 中国飞行试验研究院,陕西西安,710089 |
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| 摘 要： | 整理了风斗进入短舱的冷气流量的变化规律,对发动机通风冷却系统各影响因素进行分析,分析了发动机状态、飞行状态（高度、马赫数）对飞机短舱内温度变化的影响规律。结果表明,发动机状态是影响发动机通风冷却系统的主要因素,飞行状态对涡喷和涡扇发动机通风冷却系统的影响规律不同。
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| 关 键 词： | 短舱温度 冷气流量 发动机状态 飞行高度 飞行马赫数 |
Influencing Factors Analysis on Engine Cooling System |
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| Wang Yumei,Lv Meiqian.Influencing Factors Analysis on Engine Cooling System[J].ENGINEERING & TEST,2011,51(2):16-18. |
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| Authors: | Wang Yumei Lv Meiqian |
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| Affiliation: | Wang Yumei,Lv Meiqian(Chinese Flight Test Establishment,Xi'an 710089,Shanxi,China) |
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| Abstract: | Variation regularity of cooling air flow entering the nacelle through vent is arranged and the factors of ventilation and cooling system for engine nacelle are analyzed.Then,the influence of engine state and flight state(altitude,Mach number) on the aircraft nacelle temperature is analyzed.The results show that engine state is the main factor which effects engine ventilation and cooling system.The influence of flight state on ventilation and cooling system of turbojet engine and turbofan engine is different... |
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| Keywords: | temperature of nacelle cooling air flow engine condition flight altitude Mach number |
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