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

bulletEffect is known as "skin effect".
bulletSkin depth concept applies to good conductors.
bulletEqual to the inverse of the complex component of the wave number, k.
bulletEquals the distance over which an incident wave decays to 1/e it's initial amplitude.
bulletPenetration 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