There are currently 3 results in this directory beginning with the letter F.
Faraday or Meshed Cage
Network of metallic conductors fixed regularly (every 5 to 20 meters) on the structure to protect it against direct lightning discharges.
Frequency of dangerous events due to flashes to a structure
Expected average annual number of dangerous events due to lightning flashes to a structure (NF C 17 102 : 2011).
Fulgurite (lightning stones)
Also called « lightning stones, there are due to sand particles fuse together under very high temperature (more than 3000C°) when a lightning strikes the ground.
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