Innovative Measurement Approaches for Harsh, Chemically Reacting Environments

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9550-06-C-0071
Agency Tracking Number: F064-009-0286
Amount: $99,989.00
Phase: Phase I
Program: STTR
Awards Year: 2006
Solicitation Year: 2006
Solicitation Topic Code: AF06-T009
Solicitation Number: N/A
Small Business Information
2760 Beverly Dr., #4, Aurora, IL, 60502
DUNS: 927258277
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Donald Yuhas
 (630) 236-5901
Business Contact
 Marjorie Yuhas
Title: Vice President
Phone: (630) 236-5901
Research Institution
 Gregory Walker
 VU Station B 351592
Nashville, TN, 37235
 (615) 343-6959
 Nonprofit college or university
In this proposal we exploit the remote sensing attributes of ultrasound to measure temperature, transient temperature and heat flux in liquid rocket combustion chambers. In previous work, we have demonstrated the capability to measure the local temperature at the inner surface of large caliber Navy guns using sensors attached to the external gun barrel surface (2.5” from the measurement point). In the proposed effort we improve the measurement methods to enable us to acquire temperature data more rapidly, modify our approach to fit the needs of the rocket combustion chamber, and enhance the analytical methods to accurately treat transients and extract heat flux from the ultrasonic data. The ability to locate sensors on the exterior surfaces of chambers removes the sensor from the chemically reactive environment and reduces the need for operation at extreme temperatures. Yet, the ability to obtain localized and instantaneous temperature data from previously inaccessible regions should enhance our ability to control and better understand liquid rocket combustion processes.

* information listed above is at the time of submission.

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