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EFFECT OF BOOSTER ACCELERATION ON INSULATOR EROSION

Award Information

Agency:
Department of Defense
Branch:
Air Force
Award ID:
9471
Program Year/Program:
1990 / SBIR
Agency Tracking Number:
9471
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
Astron Research & Engineering
130 Kifer Ct Sunnyvale, CA 94086
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 2
Fiscal Year: 1990
Title: EFFECT OF BOOSTER ACCELERATION ON INSULATOR EROSION
Agency / Branch: DOD / USAF
Contract: N/A
Award Amount: $207,000.00
 

Abstract:

DATA FROM RECOVERED ROCKET MOTORS HAS CONVINCINGLY SHOWN THAT MORE CHARRING/EROSION OCCURS ON FORWARD DOME INSULATION DURING FLIGHT THAN IN STATIC FIRING. THE PROBLEM OF FLIGHT AMPLIFICATION OF CHARRING/EROSION HAS GREATLY INCREASED TO COMPLEXITY OF THE DESIGN PROCESS FOR FUTURE ROCKET MOTORS, ESPECIALLY THOSE SUBJECTED TO HIGH ACCELERATION. LARGE SAFETY FACTORSMUST OFTEN BE APPLIED RESULTING IN THICK, HEAVY INSULATION WITH UNCERTAIN RELIABILITY. A MECHANISTIC MODEL COUPLED WITH NEW LABORATORY TEST METHODS ARE NEEDED TO PROVIDE A METHODOLOGY WHICH CAN BE RELIABLY USED TO SCREEN NEW METHODS. THIS PHASE I PROGRAM WILL DEMONSTRATE A RELATIVELY SIMPLE LABORATORY TEST TECHNIQUE WHICH PROMISES TO CLARIFY THE DOMINANT MECHANISMS GOVERNING THE FLIGHT AMPLIFICATION PROBLEM. THE TECHNIQUE EMPLOYS A SMALL WIND TUNNEL COMBINING RADIATIVE HEATING AND OSCILLATORY ACCELERATION OF THE TEST SAMPLE TO ALLOW INDEPENDENT VARIATION OF EACH CRITICAL PARAMETER. BY INDEPENDENTLY VARYING EACH PARAMETER WE CAN DETERMINE THE RELATIVE IMPORTANCE OF EACH ONE, AND WHICH ONES ARE DOMINANT. ULTIMATELY DATA FROM THESE SIMPLE TESTS, PULSE DATA FROM MORE COMPREHENSIVE TESTS, CAN BE COUPLED TO WELL VALIDATED COMPUTER MODELS, SUCH AS THE CHARRING MATERIALS ABLATOR (CMA) CODE, TO PRODUCE A RELIABLE PREDICTIVE TOOL.

Principal Investigator:

Charles Powars
4082453200

Business Contact:

Small Business Information at Submission:

Astron Research & Engineering
130 Kifer Ct Sunnyvale, CA 94086

EIN/Tax ID:
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No