Skin Depth

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Definition:                           

Equation

Parameters

Diagram

Calculate Skin Depth:                                                      top

Parameter

Value

Units

Special Values

Inputs:

 f (frequency)
r (resistivity)  
mr (rel. perm.) 1 for most media
         

Output:

d (skin depth)

Output Format:                                                        top

Select Format: Scientific Engineering Fixed

Notes:                                                                       top

Effect is known as "skin effect".
Skin depth concept applies to good conductors.
Equal to the inverse of the complex component of the wave number, k.
Equals the distance over which an incident wave decays to 1/e it's initial amplitude.
Penetration depth=skin depth for good conductors.
  • A conductor is "good" when: 
  • Source:  Applied Electromagnetism Second Edition by Liang Chi Shen and Jin Au Kong, PWS Publishers, Boston, Massachusetts 1987

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    Copyright ©2000-2005  Raymond J. Allen