基于二级声辐射模型的地面声场高效预测方法

王菲; 史勇杰; 徐国华

doi:10.13700/j.bh.1001-5965.2015.0756

基于二级声辐射模型的地面声场高效预测方法

doi: 10.13700/j.bh.1001-5965.2015.0756

南京航空航天大学直升机旋翼动力学国家级重点实验室, 南京 210016

基金项目: 国家自然科学基金（11302103）

详细信息

作者简介:
王菲,男,博士研究生。主要研究方向:直升机旋翼计算流体力学和直升机旋翼气动噪声。Tel.:025-84892117,E-mail:wangfeinan@nuaa.edu.cn;史勇杰,男,博士,副教授。主要研究方向:直升机旋翼CFD和直升机旋翼气动噪声。Tel.:025-84892117,E-mail:shiyongjie@nuaa.edu.cn;徐国华,男,博士,教授,博士生导师。主要研究方向:直升机空气动力学、旋翼CFD和气动声学。Tel.:025-84892117,E-mail:ghxu@nuaa.edu.cn

通讯作者:
史勇杰,Tel.:025-84892117,E-mail:shiyongjie@nuaa.edu.cn

中图分类号: V211.52
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- 被引次数: 0
出版历程
- 收稿日期: 2015-11-17
- 修回日期: 2016-02-29
- 网络出版日期: 2016-11-20

Efficient ground noise prediction method based on secondary noise radiation model

National Key Laboratory of Science and Technology on Rotorcraft Aeromechanics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

摘要

摘要: 建立了可用于直升机运动状态下噪声传播特性分析的高效地面声场预测方法。该方法包括计算旋翼气动、噪声的自由尾迹方法和时域FW-H方程；计入大气、地面等环境因素的声传播模型及地面声场计算模型；为提高计算效率，在声源计算与噪声传播之间引入基于“紧致球声源”的二级声辐射模型；在此基础上，还提出了通过建立“特征参数声辐射球库”以实现直升机运动状态下噪声实时预测的方法。以AH-1旋翼为算例，通过与地面声场直接计算法对比，说明了方法的有效性及高效性；此外，文中还分析了大气、地面等环境因素对噪声传播以及地面声场特性的影响。
- 噪声 /
- 旋翼 /
- 二级声辐射球 /
- 大气吸声 /
- 地面吸声、反射
Abstract: An efficient ground noise prediction method for the analysis of helicopter noise in flight based on the secondary noise radiation is developed. The method to predict the aerodynamic force and aeroacoustic characteristics based on the free-wake/FW-H, the noise propagation model that can take the effects of atmosphere absorption, ground absorption and reflection on noise radiation characteristics into account, as well as ground noise computation model are included in this method. In order to improve computational efficiency, the secondary sound radiation model built on the hypothesis of compact source is introduced between the noise source computation and noise radiation. To achieve the real time simulation of ground noise, the noise radiation model database is built according to the idea of parametric modeling. The efficiency and effectiveness are illustrated through the comparison of computed results and compute time with the direct computing method for AH-1 rotor. Furthermore, the effects of atmosphere and ground on noise radiation as well as ground noise characteristics are analyzed with this method.
- noise /
- rotor /
- secondary noise radiation /
- atmosphere absorption /
- ground absorption and reflection

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参考文献(21)

[1]	BRENTNER K S,LYRINTZIS A S,KOUTSAVDIS E K.Comparison of computational aeroacoustic prediction methods for transonic rotor noise prediction[J].Journal of Aircraft,1997,34(4):531-538.
[2]	BOYD D D JR.HART-Ⅱ acoustic predictions using a coupled CFD/CSD method[C]//Proceedings of 65th Annual Forum of the AHS,2009.
[3]	DESOPPER A,LAFON P,PHILIPPE J J,et al.Effect of an anhedral sweptback tip on the performance of a helicopter rotor[J].Vertica,1988,12(4):345-355.
[4]	YU Y H.Rotor blade-vortex interaction noise[J].Progress in Aerospace Sciences,2000,36(2):97-115.
[5]	EDWARDS B,COX C,BOOTH E R JR.Revolutionary concepts for helicopter noise reduction-S.I.L.E.N.T program:NASA-CR-2002-211650[R].Washington,D.C.BOOTH E R J R.: NASA,2002.
[6]	BOXWELL D A,SCHMITZ F H,SPLETTSTOESSER W R,et al.Helicopter model rotor-blade vortex interaction impulsive noise:Scability and parameteric variations[J].Journal of the American Helicopter Society,1987,32(1):3-12.
[7]	SAKOSWKY P C,CHARLES B D.Noise measurement test results of AH-1G operational loads survey:Bell Helicopter Co.Report 299-099-831[R].Fort Worth,TX:Bell Helicopter Co.1976.
[8]	GOPALAN G,SCHMITZ F H,SIM B W.Flight path management and control methodology to reduce helicopter blade-vortex(BVI) noise[J].Journal of Aircraft,2002,39(2):193-205.
[9]	FLEMING G G,RICKLEY E J.HNM heliport noise model,version 2.2,user's guide:Dot/FAA/EE/94-01,DOT-VNTSC-FAA-94-3[R].Washington,D.C.:Office of Environment and Energy,1994.
[10]	CONNER D A，PAGE J A.A tool for low noise procedures design and community noise impact assessment:The rotorcraft noise model(RNM)[C]//Heli Japan 2002,2002:T213-6.
[11]	CONNER D A,BURLEY C L.Flight acoustic testing and data acquisition for the rotor noise model(RNM)[C]//Proceedings of 62nd Annual Forum of AHS,2006.
[12]	吕维梁，招启军，徐国华.计入畸变修正的旋翼尾迹前飞状态稳定性分析[J].航空学报，2012,33(11):1958-1966.LU W L,ZHAO Q J,XU G H.Analysis of rotor wake s stability in forward flight associated with distortion revise[J].Acta Aeronautica et Astronautica Sinica,2012,33(11):1958-1966(in Chinese).
[13]	LEISHMAN J G.Principles of helicopter aerodynamics[M].2nd ed.Cambridge:Cambridge University Press,2006：580-605.
[14]	WEISSINGER J.The lift distribution of swept-back wings:NASA-TM-1120[R].Washington,D.C.:NASA,1947.
[15]	FARASSAT F,SUCCI G P.The prediction of helicopter rotor discrete frequency noise[J].Vertica,1983,7(4):309-320.
[16]	DOWLING A P，FFOWCS WILLIAMS J E,WRIGHT W M.Sound and sources of sound[J].American Journal of Physics,1985,53(6):320.
[17]	SIM B W,SCHMITZ F H.Acoustic phasing and amplification effects of single-rotor helicopter blade-vortex interactions[C]//Proceedings of 55th Annua Forum of AHS,1998.
[18]	WEIR D,JUMPER S,BURLEY C L.Aircraft noise prediction program theoretical manual:Rotorcraft system noise prediction system:NASA-TM-83199[R].Washington，D.C.:NASA,1995.
[19]	SNYDER J P.Map projections:A working manual:USGS Paper 1395[R].Washington,D.C.:U.S.Government Printing Office,1987.
[20]	马大猷，沈儫.声学手册[M].北京：科学出版社,2001:31-38.MA D Y,SHEN H.Manual of acoustics[M].Beijing:Science Press,2001:31-38(in Chinese).
[21]	ATTENBOROUGH K.Acoustical impendance models for outdoor ground surfaces[J].Journal of Sound and Vibration,1985,99(4):521-544.