A method for simultaneous reconstruction of temperature and concentration distribution in gas mixtures based on acoustic tomography

被引：10
|
作者：
Liu, Yan [1 ]
Liu, Shi [1 ]
Lei, Jing [1 ]
Liu, Jing [1 ]
Schlaberg, H. Inaki [1 ]
Yan, Yong [2 ]
机构：
[1] North China Elect Power Univ, Sch Energy Power & Mech Engn, Beijing 102206, Peoples R China
[2] North China Elect Power Univ, Sch Control & Comp Engn, Beijing 102206, Peoples R China
来源：
ACOUSTICAL PHYSICS | 2015年 / 61卷 / 05期
基金：
英国工程与自然科学研究理事会;
关键词：
acoustic tomography; relaxation attenuation; temperature distribution measurement; concentration distribution measurement; reconstruction method; ATTENUATION; FIELD;
D O I：
10.1134/S1063771015050176
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The acquisition of the concentration and temperature distributions in a mixed gas system plays a crucial role in real industrial applications. Different from comment measurement method, in this paper an acoustic tomography (AT) based method is developed for the simultaneous reconstruction of the concentration and temperature distributions. The proposed method includes two stages. In the first stage, the correlations of the acoustic velocity and the intensity attenuation with the temperature and concentration are investigated. Then the approach that can simultaneously compute temperature and concentration is proposed. In the second stage, in order to achieve 2D tomography, the stochastic inversion method for solving the inverse problem is developed. Numerical simulations are implemented to validate the feasibility of the proposed reconstruction method.
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页码：597 / 605
页数：9
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