CANDU형 핵연료 채널 압력관에 대한 원거리장 와전류의 자계분포 특성해석(I)

A FEM Analysis of Remote Field Eddy Current Distribution to CANDU Fuel Channel Tube(I)

A FEM model of the remote-field eddy current effect is presented for zirconium-2.5percent niobium(Zr-2.5%Nb) nuclear reactor pressure tubes to demonstrate the important electromagnetic field. Phenomena that describe this effect. This model is applied to evaluate the optimal operating frequency and detector position. There are many ambiguous experimental results connected with this technique. Finite element calculations can be used in the interpretation of these experimental results even though the electromagnetic fields measured in the remote-field technique are very small.