| NLF－1自然层流机翼低速转捩位置测定 |
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| 引用本文： | 张召明,章子林,熊筱珍.NLF－1自然层流机翼低速转捩位置测定[J].实验流体力学,1994(1). |
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| 作者姓名： | 张召明 章子林 熊筱珍 |
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| 作者单位： | 南京航空航天大学 |
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| 摘 要： | 自然层流机翼是我国下一代民用客机采用的机翼之一。本文对自然层流机翼ＮＬＦ－１用热膜法和升华法在南京航空学院ＮＨ－２低速风洞中进行了机翼边界层转捩位置的测定。结果表明，该机翼的转捩位置在离开机翼前缘的７０％左右的当地弦长处。因此ＮＬＦ－１机翼确为较好的层流机翼。
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| 关 键 词： | 自然层流机翼 边界层转捩 热膜技术 升华法 |
MEASUREMENT OF TRANSITION POSITION FOR NLF-1NATURAL LAMINAR FLOW WING IN LOW SPEED WIND TUNNEL |
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| Zhang Zhaoming, Zhang Zilin, Xiong Xiaozhen.MEASUREMENT OF TRANSITION POSITION FOR NLF-1NATURAL LAMINAR FLOW WING IN LOW SPEED WIND TUNNEL[J].Experiments and Measur in Fluid Mechanics,1994(1). |
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| Authors: | Zhang Zhaoming Zhang Zilin Xiong Xiaozhen |
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| Institution: | Nanjins University of Aeronautics and Astronautics |
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| Abstract: | Natural laminar flow wing is one of those wings being used in next generation civil airline in our country. This paper uses hot film method and sublimation method to measure boundary layer transition position for NLF-1 natural laminar flow wing in NH-2 low speed wind tunnel in Naming Aeronautical Institute. The results show that the transition position of the wing is at about 70% local chord from wing leading edge. Thus, NLF-1 wing is a better natural laminar flow wing. |
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| Keywords: | natural laminar flow wing boundary layer transition hot film method sublimation method |
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