混合层流机翼气动设计与综合收益影响

doi:10.7527/S1000-6893.2022.26791

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混合层流机翼气动设计与综合收益影响

姜丽红¹, 饶寒月¹, 兰夏毓¹, 杨体浩¹, 耿建中², 白俊强³

1. 西北工业大学航空学院, 西安 710072;
2. 航空工业第一飞机设计研究院, 西安 710089;
3. 西北工业大学无人系统技术研究院, 西安 710072

收稿日期:2021-12-09 修回日期:2021-12-23 出版日期:2022-11-15 发布日期:2022-02-17
通讯作者: 杨体浩,E-mail:yangtihao@nwpu.edu.cn E-mail:yangtihao@nwpu.edu.cn
基金资助:
国家自然科学基金（12002284，11902320）

Aerodynamic design and comprehensive benefit impact of hybrid laminar flow wing

JIANG Lihong¹, RAO Hanyue¹, LAN Xiayu¹, YANG Tihao¹, GENG Jianzhong², BAI Junqiang³

1. School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China;
2. AVIC The First Aircraft Institute, Xi'an 710089, China;
3. Unmanned System Research Institute, Northwestern Polytechnical University, Xi'an 710072, China

Received:2021-12-09 Revised:2021-12-23 Online:2022-11-15 Published:2022-02-17
Supported by:
National Natural Science Foundation of China(12002284, 11902320)

摘要/Abstract

摘要： 揭示混合层流控制（HLFC）作用下超临界机翼气动设计原理及综合收益变化规律，是开展HLFC超临界机翼设计的关键。针对具有中等后掠角的大展弦比机翼，借助耦合RANS求解器与e^N的转捩预测方法，分别基于传统超临界机翼及自然层流（NLF）超临界机翼典型设计升力系数，开展HLFC机翼气动鲁棒设计。设计升力系数为0.53和0.46时分别获得10.06%和9.6%的减阻收益。HLFC机翼具有比NLF超临界机翼更大的适用设计升力系数。吸气控制强度沿展向方向随当地雷诺数的减小呈递减趋势，在弦向方向呈现类"凹"字形的分布特征。针对中短程客机的HLFC综合收益分析表明，降低吸气控制系统的重量惩罚，以一定吸气功率代价，提高巡航升阻比，可显著提高HLFC超临界机翼的效能。

关键词: 混合层流控制(HLFC), 超临界机翼, 转捩预测, 优化设计, 减阻

Abstract: Revealing the aerodynamic design principle and the law of comprehensive benefit change of supercritical wings under the action of Hybrid Laminar Flow Control (HLFC) is the key to the development of HLFC supercritical wing design. For a wing with a large aspect ratio and a medium sweep angle, the aerodynamic robust design of the HLFC wing is carried out for the typical design lift coefficients of traditional supercritical wings and Natural Laminar Flow (NLF) supercritical wings, based on the e^N-based transition method coupled with the RANS solver. The design lift coefficients of C_L=0.53 and C_L=0.46 gain drag reduction of 10.06% and 9.6%, respectively. The HLFC wing has a larger applicable design lift coefficient than the NLF supercritical wing. With the decrease of the local Reynolds number, the suction control strength shows a decreasing trend along the span direction, and presents a "concave"-like distribution characteristic in the chord direction. The HLFC comprehensive benefits analysis for short-and medium-range passenger aircraft shows that reducing the weight penalty of the suction control system and increasing the cruise lift-to-drag ratio at a certain suction power cost can significantly improve the efficiency of the HLFC supercritical wing.

Key words: Hybrid Laminar Flow Control (HLFC), supercritical wing, transition prediction, optimal design, drag reduction

中图分类号:

V224

姜丽红, 饶寒月, 兰夏毓, 杨体浩, 耿建中, 白俊强. 混合层流机翼气动设计与综合收益影响[J]. 航空学报, 2022, 43(11): 526791-526791.

JIANG Lihong, RAO Hanyue, LAN Xiayu, YANG Tihao, GENG Jianzhong, BAI Junqiang. Aerodynamic design and comprehensive benefit impact of hybrid laminar flow wing[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(11): 526791-526791.

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E-mail：hkxb@buaa.edu.cn

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混合层流机翼气动设计与综合收益影响

Aerodynamic design and comprehensive benefit impact of hybrid laminar flow wing

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