Chin. Phys. Lett.  2013, Vol. 30 Issue (12): 124303    DOI: 10.1088/0256-307X/30/12/124303
FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
Forward Procedure of Magneto-Acousto-Electric Signal in Radially Stratified Medium of Conductivity for Logging Models
GUO Liang1,2,3, LIU Guo-Qiang1**, XIA Hui1, CHEN Jing1,2
1Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190
2University of Chinese Academy of Sciences, Beijing 100190
3College of Control Theory and Engineering, China University of Petroleum, Qingdao 266555
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GUO Liang, LIU Guo-Qiang, XIA Hui et al  2013 Chin. Phys. Lett. 30 124303
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Abstract Magneto-acousto-electric tomography (MAET) is known as a method of impedance tomography, with the procedure of acoustic waves propagating in a static magnetic field and producing the electric signal attributing to Lorentz force. We analyze the method of calculating the electric signal with given sound sources and magnetic field in the radially stratified medium of conductivity. It consists of finding an analytic solution of the sound propagating in homogeneous acoustic medium and applying to the data one of the algorithms (the FD method) for the electric scalar potential field. The ideal well logging model is considered in our algorithm, which is very different from the ordinary one in arrangement of the sound sources and electrodes in medical tomography. Combining the analytical and numerical methods in coupled fields for the well logging model is a stable algorithm in forward procedure of MAET.
Received: 05 September 2013      Published: 13 December 2013
PACS:  43.35.Rw (Magnetoacoustic effect; oscillations and resonance)  
  43.40.At (Experimental and theoretical studies of vibrating systems)  
  43.20.Bi (Mathematical theory of wave propagation)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/30/12/124303       OR      https://cpl.iphy.ac.cn/Y2013/V30/I12/124303
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GUO Liang
LIU Guo-Qiang
XIA Hui
CHEN Jing
[1] Han W, Jatin S and Robort S B 1998 IEEE Trans. BioMed. Eng. 45 119
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[8] Sun Z Z 2005 Numerical Solution of Partial Differential Equation (Beijing: Science Press)
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[11] Peter K and Leonid K 2011 Handbook of Mathematical Methods in Imaging (Berlin: Springer) chap 19 p 817
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[13] Zeng X P 2011 Master Dissertation (Institute of Electrical Engineering, Chinese Academy of Sciences) pp 47–58
[14] Chen X L, Chen X X, Wang R J and Su Y D 2007 Well Logging Technol. 31 3
[15] Wang Y J and Zhu W Y 1996 Chin. Phys. Lett. 13 20
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