远场涡流中似波现象研究——相速特征

Journal of Applied Sciences ›› 1996, Vol. 14 ›› Issue (4): 469-474.

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STUDY OF WAVE-LIKE PHENOMENA IN REMOTE FIELD EDDy CURRENT NONDESTRUCTIVE TEST PHASE VELOCITY RESDARCH

ZHAO YANG, CHEN MEIJUAN, SHI DANING

Nanjing University of Aeronautics and Astronautics

Received:1995-02-03 Revised:1995-05-03 Online:1996-12-31 Published:1996-12-31

Abstract

Abstract: The numerical simulation and theoretical analysis for Phase velocity properties of the remote field eddy current(RFEO) is presented in the paper by the electromagnetic (EM) field theory and EM computation. Comparisons of the phase velocities between the EM field and the EM wave are given. It can be seen that the research of RFEC in thin paper is of importance for Promoting the application of the RFEO technique to practical use.

Key words: electromagnetic field, phase velocity, finite element method, remote field eddy current

ZHAO YANG, CHEN MEIJUAN, SHI DANING. STUDY OF WAVE-LIKE PHENOMENA IN REMOTE FIELD EDDy CURRENT NONDESTRUCTIVE TEST PHASE VELOCITY RESDARCH[J]. Journal of Applied Sciences, 1996, 14(4): 469-474.

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STUDY OF WAVE-LIKE PHENOMENA IN REMOTE FIELD EDDy CURRENT NONDESTRUCTIVE TEST PHASE VELOCITY RESDARCH

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