Liquid Rocket Engine Heat Transfer Tools

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9300-05-M-3004
Agency Tracking Number: F051-202-0427
Amount: $100,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2005
Solicitation Year: 2005
Solicitation Topic Code: AF05-202
Solicitation Number: 2005.1
Small Business Information
1291-A Cumberland Avenue, West Lafayette, IN, 47906
DUNS: 944533009
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: Y
Principal Investigator
 Yudaya Sivathanu
 Technical Director
 (765) 497-3269
Business Contact
 Deepa Divakaran
Title: Business Manager
Phone: (765) 497-3269
Research Institution
This Phase I project will evaluate the feasibility of utilizing mid-infrared hyperspectral emission tomography for estimating the temperature of the hot gases near the wall as well as the temperature of the wall in a rocket engine combustor. The hyperspectral emission measurements at the water vapor and carbon dioxide bands will be deconvoluted using a Maximum Likelihood Estimation method of the linearized equation of radiative transfer to provide the temperatures of the hot gases near the wall. Radiation signatures from the continuum band will be used to provide a temperature map of the combustor wall. During the Phase I work, the feasibility of the system to will be evaluated using a low-pressure hydrogen/oxygen combustor. Three tasks are planned for the Phase I work: 1) Develop a suitable deconvolution algorithm to obtain wall and gas temperatures within the combustor from hyperspectral images, (2) Evaluate the feasibility of hyperspectral emission tomography for temperature estimation in a low pressure combustor, and (3) design a prototype system to obtain temperature measurements in a high pressure rocket engine combustor. During the Phase II work, a prototype system will be fabricated and evaluated using the high-pressure rocket engine facility at Purdue University.

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

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