Analytical solutions for the acoustic field in a thin annular duct with temperature gradient and mean flow

被引：6
|
作者：
Li, Jingxuan [1 ,2 ]
Nan, Jiaqi [1 ]
Yang, Lijun [1 ,2 ]
机构：
[1] Beihang Univ, Sch Astronaut, Beijing 100191, Peoples R China
[2] Beihang Univ, Beijing Adv Innovat Ctr Big Date Based Precis Med, Beijing 100083, Peoples R China
来源：
JOURNAL OF SOUND AND VIBRATION | 2020年 / 467卷
基金：
中国国家自然科学基金;
关键词：
Thin annular duct; Thermoacoustic; Wave equation; WKB approximation; INSTABILITIES; TRANSMISSION; COMBUSTOR; SOUND;
D O I：
10.1016/j.jsv.2019.115043
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The analytical solution for the one-dimensional acoustic field in a straight duct with arbitrary mean temperature gradient and mean flow has been recently derived based on an adapted WKB approximation (J. Li, A.S. Morgans, J. Sound Vib. 400 (2017) 248-269 [12]). These solutions reproduce the acoustic field very accurately across a wide range of flow conditions. These approaches are applied herein to a more complex configuration - a thin annular duct with arbitrary mean temperature gradient and mean flow; this is a common element (e.g., the annular combustion chamber) used in gas turbines and aero-engines. The derived analytical solutions are also validated on similar configurations and by using the same methods as our previous work. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页数：8
相关论文
共 50 条
  • [21] Three-Dimensional Analytical Solutions for Acoustic Transverse Modes in a Cylindrical Duct with Axial Temperature Gradient and Non-Zero Mach Number
    Nan, Jiaqi
    Li, Jingxuan
    Yang, Lijun
    AEROSPACE, 2022, 9 (10)
  • [22] Annular flow of viscoelastic fluids: Analytical and numerical solutions
    Ferras, L. L.
    Afonso, A. M.
    Alves, M. A.
    Nobrega, J. M.
    Pinho, F. T.
    JOURNAL OF NON-NEWTONIAN FLUID MECHANICS, 2014, 212 : 80 - 91
  • [23] Transfer matrix of a uniform duct with an axial mean temperature gradient
    Sujith, RI
    JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1996, 100 (04): : 2540 - 2542
  • [24] On the Eigenvalues of the Wave Equation for a Duct with an Axial Mean Temperature Gradient
    Sujith, R. I.
    Matta, L. M.
    Journal of the Aeronautical Society of India, 1995, 47 (04):
  • [25] SOUND MEASUREMENTS WITHIN AND IN RADIATED FIELD OF AN ANNULAR DUCT WITH FLOW
    PLUMBLEE, HE
    DEAN, PD
    JOURNAL OF SOUND AND VIBRATION, 1973, 28 (04) : 715 - &
  • [26] EFFECT OF A TEMPERATURE GRADIENT ON THE TRANSVERSE ACOUSTIC MODE IN THERMOVISCOUS FLUID WITH A SHEAR MEAN PIPELINE FLOW
    Chen, Yong
    Zheng, Chongguang
    Huang, Yiyong
    Chen, Xiaoqian
    Bai, Yuzhu
    PROCEEDINGS OF THE 22ND INTERNATIONAL CONGRESS ON SOUND AND VIBRATION: MAJOR CHALLENGES IN ACOUSTICS, NOISE AND VIBRATION RESEARCH, 2015, 2015,
  • [27] Optimising the acoustic damping of multiple Helmholtz resonators attached to a thin annular duct
    Yang, Dong
    Sogaro, Francesca M.
    Morgans, Aimee S.
    Schmid, Peter J.
    JOURNAL OF SOUND AND VIBRATION, 2019, 444 : 69 - 84
  • [28] Finite element method for sound propagation in annular duct with mean swirling flow
    Fluid and Acoustic Engineering Lab., BUAA, Beijing 100191, China
    Kung Cheng Je Wu Li Hsueh Pao, 2009, 8 (1291-1294):
  • [29] The effect of mean flow on the intrinsic thermoacoustic instabilities in the duct and annular combustion chambers
    Liu, Xiaokang
    Qin, Lizi
    Song, Yan
    Li, Jingxuan
    Yang, Lijun
    AEROSPACE SCIENCE AND TECHNOLOGY, 2022, 127
  • [30] Transfer matrix of a uniform duct with an axial mean temperature gradient [20]
    Sujith, R.I.
    Journal of the Acoustical Society of America, 1996, 100 (4 pt 1):
12345