Insensitive Munition using Thermal Energy Harvesting

Award Information
Agency:
Department of Defense
Branch
Missile Defense Agency
Amount:
$100,000.00
Award Year:
2009
Program:
SBIR
Phase:
Phase I
Contract:
HQ0006-09-C-7169
Award Id:
91614
Agency Tracking Number:
B083-044-0265
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
200 Boston Avenue Suite 1000, Medford, MA, 02155
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
786127522
Principal Investigator:
Marthinus van Schoor
Chief Executive/Technical Officer
(781) 306-0609
tienie@mide.com
Business Contact:
Petra Botha
Chief Financial Officer
(781) 306-0609
pbotha@mide.com
Research Institution:
n/a
Abstract
Mid, proposes to develop an innovative approach to harvest energy from thermal excursions and use the harvested energy selectively to prevent the explosion of solid rocket motor during slow and fast cook-off vents. The thermal energy harvester is a Shape Memory Alloy device that responds slowly during temperature increases. The energy harvested is used to power a monitoring circuitry. The circuitry detects when a pre-determined maximum temperature is reached to fire a squib to trigger a venting system, which cuts the casing using a linear shape charge. Under normal ignition of the solid rocket the rate of temperature increase is so fast that the Shape Memory Alloy energy harvester cannot respond, allowing a thermal switch to be used to disable the venting system. Phase I will demonstrate that a system that fits within 2 cubic inches can trigger a venting system when the temperature inside the casing reaches 275 degrees F but would not fire the squib after reaching a temperature of 350 degrees F. Phase II will refine the concept and integrate the sensor unit into a thermally initiated venting system and demonstrate the technology in a slow and fast cook-off environment.

* information listed above is at the time of submission.

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