Charged seed cloud as a method for increasing particle collisions and for scavenging airborne biological agents and other contaminants
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United States of America Patent
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Feb 12, 2013
Grant Date -
May 17, 2012
app pub date -
Aug 15, 2007
filing date -
Aug 18, 2006
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Abstract
A system and method is provided for increasing interaction between seed particles in a seed cloud and target particles to be neutralized, detected or knocked down to the ground. This is achieved by applying a charge to the seed particles so that the seed cloud formed by release of the seed particles at altitude is highly charged, which in turn produces a strong electric field between the seed cloud and ground. The relatively strong electric field causes the seed particles to move downward (toward the ground) at a velocity sufficient to increase interaction (collisions) between the seed particles and the target particles.
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