Scaling of Two-Phase Systems Across Gravity Levels

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNX09CE45P
Agency Tracking Number: 084697
Amount: $40,550.00
Phase: Phase I
Program: SBIR
Awards Year: 2009
Solicitation Year: 2008
Solicitation Topic Code: X2.01
Solicitation Number: N/A
Small Business Information
Energy Research, Inc.
P.O. Box 2034, Rockville, MD, 20847-2034
DUNS: 621211259
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Shilp Vasavada
 Principal Investigator
 (301) 881-0866
Business Contact
 Tracey Mullinix
Title: Contract Administrator
Phone: (301) 881-0866
Research Institution
There is a defined need for long term earth based testing for the development and deployment of two-phase flow systems in reduced-gravity, including lunar gravity, conditions. The proposed study intends to develop a scaling methodology to meet this requirement. A hierarchical two-tiered scaling approach will be used to obtain scaling relations for an entire system (integral scale), individual components of the system and local phenomena. The final product of the Phase I effort will be a rigorous scaling methodology along with important non-dimensional numbers which can be used for developing earth-based systems to study reduced-gravity two-phase systems and/or phenomena. The feasibility of the approach will be demonstrated in Phase I by using data available in literature that has been acquired in reduced-gravity as well as earth based conditions. As part of Phase II a scaled experimental facility will be designed and confirmatory experiments performed.

* information listed above is at the time of submission.

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