Abstract
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.
| Original language | English |
|---|---|
| Pages (from-to) | 597-605 |
| Number of pages | 9 |
| Journal | Acoustical Physics |
| Volume | 61 |
| Issue number | 5 |
| DOIs | |
| State | Published - 22 Sep 2015 |
| Externally published | Yes |
Keywords
- acoustic tomography
- concentration distribution measurement
- reconstruction method
- relaxation attenuation
- temperature distribution measurement
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