Development of Phenomenological Liquid Spray Design Tool for Augmentor Operability and Performance

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA8650-04-M-2442
Agency Tracking Number: F041-181-2600
Amount: $99,995.00
Phase: Phase I
Program: SBIR
Awards Year: 2004
Solicitation Year: 2004
Solicitation Topic Code: AF04-181
Solicitation Number: 2004.1
Small Business Information
2766 Indian Ripple Rd, Dayton, OH, 45440
DUNS: 884812025
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Terrence Meyer
 Research Engineer
 (937) 904-4007
Business Contact
 Larry Goss
Title: President
Phone: (937) 429-4980
Research Institution
The combination of empirical spray modeling, dense- and dilute-spray diagnostics, and CFD simulation will be used to provide a more accurate spray-design tool for gas-turbine augmentors. A global model of liquid breakup and droplet dispersion will be assembled based on existing correlations for liquid-jet trajectory, surface breakup, column breakup, secondary breakup of droplets, and evaporation. The model will be validated for liquid-jet injection into a gaseous crossflow under augmentor conditions, including the effects of high inlet temperature and flame-holder geometry. A newly demonstrated diagnostic technique called ballistic imaging shadowgraphy, made possible by the availability of ultrafast lasers, will be used to capture high-resolution images through the dense-spray region. This will provide critical new data on ligamentation, jet-core instabilities, jet-core breakup, and dense-spray effects. A one-way-coupled Lagrangian numerical simulation will be used as the test-bed for parametric studies. Finally, a fully-coupled large-scale CFD simulation will be performed by our partners in the gas-turbine industry to test the performance of the global model.

* information listed above is at the time of submission.

Agency Micro-sites

SBA logo
Department of Agriculture logo
Department of Commerce logo
Department of Defense logo
Department of Education logo
Department of Energy logo
Department of Health and Human Services logo
Department of Homeland Security logo
Department of Transportation logo
Environmental Protection Agency logo
National Aeronautics and Space Administration logo
National Science Foundation logo
US Flag An Official Website of the United States Government