Aluminum Agglomeration and Trajectory in Solid Rocket Motors

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9550-06-C-0069
Agency Tracking Number: F064-012-0313
Amount: $99,819.00
Phase: Phase I
Program: STTR
Awards Year: 2006
Solicitation Year: 2006
Solicitation Topic Code: AF06-T012
Solicitation Number: N/A
Small Business Information
1802 N. Carson Street, Suite 200, Carson City, NV, 89701
DUNS: 083152975
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 E. Carl Hylin
 Senior Engineer
 (775) 882-1966
Business Contact
 Douglas Coats
Title: President
Phone: (775) 882-1966
Research Institution
 Merrill Beckstead
 Dept of Cemical Engineering
Provo, UT, 84602
 (801) 422-6239
 Nonprofit college or university
The demand for higher performance rocket motors at a reduced cost requires continuous improvements in understanding and controlling propellant combustion. Numerous examples are available where seemingly minor modifications and improvements to existing solid rocket systems have caused previously well performing motors to exhibit unexpected and at times near catastrophic behavior. It is far cheaper to design out problems than fix them during the development or production phases. Various combustion issues have never been modeled in a complete motor prediction model. What is being proposed here has never been successfully done and would greatly increase the design tools available to the motor design community. The overall goal of this innovation is to provide a multi-physics based computer code which will accurately predict the entire flight of aluminum particles from the propellant surface through the nozzle exit plane together with a prediction of the effective properties (thermal and mechanical) of the binder, ammonium perchlorate, and aluminum particles which together constitute a solid propellant. The selection of the physics based models, not too simple and not too complex, is the key to producing a working model which will be able to run on computer systems becoming available in the next several years.

* Information listed above is at the time of submission. *

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