| γ-CT Technique Used for Industrial Multiphase Flow Detection |
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| 作者姓名： | 薛倩 王化祥 |
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| 作者单位： | School of Electrical Engineering and Automation,Tianjin University |
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| 基金项目： | supported by National Natural Science Foundation of China(No.60820106002,50937005,60532020) |
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| 摘 要： | A gamma-ray Computed Tomography(CT)technique based on MATLAB has been developed,and its potential for the application of multiphase flow detection has been demonstrated with simulation results.Aiming to improve the real time performance,we design a CT system with fixed sources and limited detectors.By dissecting the imaging region with Delaunay triangulation method,the algebraic reconstruction algorithm and simultaneous multiplicative algebraic reconstruction algorithm are implemented respectively to reconstruct cross-sectional images.The resultant images can be utilized to identify flow regimes or extract characteristic parameters.
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| 关 键 词： | computed tomography multiphase flow image reconstruction algorithm |
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