Heat Transfer Model for Bubbly Flows

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA8650-09-M-2950
Agency Tracking Number: F083-119-0636
Amount: $100,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2009
Solicitation Year: 2008
Solicitation Topic Code: AF083-119
Solicitation Number: 2008.3
Small Business Information
Space Center, 1212 Fourier Drive, Madison, WI, 53717
DUNS: 196894869
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Millicent Coil
 Senior Staff Analyst
 (608) 229-2812
Business Contact
 Eric Rice
Title: Director of Finance
Phone: (608) 229-2730
Email: mlindbery@toyon.com
Research Institution
ORBITEC proposes to develop a heat transfer model to predict heat transfer coefficient in bubbly flows in small tubes.  This model is intended for application to thermal management systems in a variety of propulsion systems, including both air-breathing and rocket engines.  The Phase I work will include parallel experimental and modeling work.  The experimental program will measure heat transfer coefficient and void fraction in bubbly flows of a few fuels in small tubes.  A simplified numerical model will simulate the experiments and build the foundation for a more complex model.  Phase II work will implement the model in a CFD code and will validate its predictions with experiments on a fuel-cooled rocket engine nozzle. BENEFIT: The two-phase heat transfer model developed under this effort will enable engineers to use commercial CFD codes to model thermal management system for a variety of propulsion applications.  Because two-phase heat transfer in small tubes is ubiquitous in propulsion system, the code and the understanding developed through using it will have application to a variety of groups within DoD, NASA, and commercial companies.  ORBITEC intends to be a supplier of both the code and the expertise heat transfer in two-phase flow.

* 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