Strain measurement device, a solid rocket motor including same, and related methods
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United States of America Patent
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Jul 19, 2016
Issued Date -
N/A
app pub date -
Oct 12, 2011
filing date -
Oct 12, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A strain measurement device includes a reference material, and a displacement sensor configured to detect relative changes in distance between the sensor and the reference material. At least one of the displacement sensor and the reference material is coupled with a pre-cured elastomeric material. The displacement sensor generates a data signal to a processor that is configured to determine a strain of another elastomeric material based at least in part on the data signal received from the sensor. A displacement sensor and a reference material may be positioned within an elastomeric material within a casing of a solid rocket motor for determining strain experienced by the elastomeric material, such as the propellant of the solid rocket motor. A method includes installing a sensor of an elastomeric material. Another method includes determining strain of an elastomeric material of a solid rocket motor.
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International Classification(s)
- F02K:JET-PROPULSION PLANTS
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- G01M:TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR S....
- C06B:EXPLOSIVE OR THERMIC COMPOSITIONS
- B64D:EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLYING SU....
- G01B:MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIME....
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