Blast gauge wherein four pressure sensors are positioned in a tetrahedral configuration on the surface of a sphere
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United States of America Patent
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-
Jul 25, 1995
Grant Date -
N/A
app pub date -
Feb 5, 1993
filing date -
Aug 6, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The blast gauge has a spherical fairing containing four pressure sensors whose positions on the surface of the sphere form the apices of a tetrahedron. The fairing may have a solid metal sphere with cavities adapted to house the pressure sensors in which the metal is aluminum or an alloy thereof or a foam filled spherical shell containing cavities adapted to house the pressure sensors. The spherical fairing is carried by a tubular support adapted to contain the signal leads from the sensors. In a preferred form the blast gauge includes computing means adapted to receive the signals from the pressure sensors and provide data showing the velocity and direction of any shock wave impinging upon the spherical fairing.
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