What are the electrical parameters like permittivity and conductivity of walls and roof of a road tunnel?

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What are the electrical parameters like permittivity and conductivity of walls and roof of a road tunnel?

2006-09-29 04:21:58 · 1 answers · asked by kim 2 in Science & Mathematics ➔ Engineering

1 answers

Permittivity and conductivity apply to metal conductors. If you are talking about a metal-lined tunnel, then you have what is called a waveguide. Look up on line the characteristic equations for wave propagation and waveguides

2006-09-29 05:15:12 · answer #1 · answered by cdf-rom 7 · 0⤊ 0⤋