Development of a novel reconstruction method for two-phase fl ow CT with improved simulated annealing algorithm

Mingfei Yan; Huasi Hu; Guang Hu; Bin Liu; Chao He; Qiang Yi

doi:https://doi.org/10.1016/j.net.2020.09.021

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자료유형: 학술저널

저자정보: Mingfei Yan (School of Energy and Power Engineering, Xi ’an Jiaotong University) Huasi Hu (School of Energy and Power Engineering, Xi ’an Jiaotong University) Guang Hu (School of Energy and Power Engineering, Xi ’an Jiaotong University) Bin Liu (Nuclear Power Institute of China) Chao He (Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621900,) Qiang Yi (Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics, Mianyang, 621900,)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제4호

발행연도: 2021.4

수록면: 1,304 - 1,310 (7page)

DOI: https://doi.org/10.1016/j.net.2020.09.021

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Two-phase flow, especially gas-liquid two-phase flow, has a wide application in industrial field. Thediagnosis of two-phase flow parameters, which directly determine the flow and heat transfer characteristics,plays an important role in providing the design reference and ensuring the security of onlineoperation of two-phase flow system. Computer tomography (CT) is a good way to diagnose such parameterswith imaging method. This paper has proposed a novel image reconstruction method forthermal neutron CT of two-phase flow with improved simulated annealing (ISA) algorithm, which makesfull use of the prior information of two-phase flow and the advantage of stochastic searching algorithm. The reconstruction results demonstrate that its reconstruction accuracy is much higher than that of thereconstruction algorithm based on weighted total difference minimization with soft-threshold filtering(WTDM-STF). The proposed method can also be applied to other types of two-phase flow CT modalities(such as X(g)-ray, capacitance, resistance and ultrasound).

#Two-phase flow Neutron CT Image reconstruction Simulated annealing algorithm

참고문헌 (23)

참고문헌 신청

C. Boyer / 2002 / Measuring techniques in gas-liquid and gas-liquid-solid reactors / Chem. Eng. Sci 57:3185~3215

E. Schleicher / 2008 / Design of an optical tomograph for the investigation of single-and two-phase pipe flows / Meas. Sci. Technol 19:094006

T. Wondrak / 2017 / A novel metal flow imaging using electrical capacitance tomography / Meas. Sci. Technol 28:064001

L. C. Xing / 2014 / A combination method for metering gas-liquid two-phase flows of low liquid loading applying ultrasonic and Coriolis flowmeters / Flow Meas. Instrum 37:135~143

J. B. Romero / 1965 / Flash x-ray analysis of fluidized beds / AIChE J 11:595~600

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