Passive Liquid/Vapor Separation Using an Inertia Driven Rotating Drum

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: HQ0006-05-C-7274
Agency Tracking Number: 05-0054T
Amount: $99,976.00
Phase: Phase I
Program: STTR
Awards Year: 2005
Solicitation Year: 2005
Solicitation Topic Code: MDA05-T004
Solicitation Number: N/A
Small Business Information
3267 Progress Drive, Orlando, FL, 32826
DUNS: 608777798
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Daniel Rini
 (407) 384-7840
Business Contact
 Daniel Rini
Title: President
Phone: (407) 384-7840
Research Institution
 Louis Chow
 4000 Central Florida Blvd
Orlando, FL, 32820
 (407) 823-3666
 Nonprofit college or university
We plan to develop a passive liquid/vapor phase separation technology that is based on a freely rotating drum. The drum can separate the liquid and vapor phases with less than 1% carryover for both. It is driven by the inertia of the incoming two-phase fluid and no power is needed. The rotation provides a centrifugal acceleration that is much larger than 10g. Thus the drum will function well in micro and variable gravity (up to 10g). The Phase I effort will start with testing an air/water separator to confirm our analysis and improve our current design. The separator performance will be evaluated in terms of carryover and pressure loss at different air/water compositions and flow rates. Based on these experiments, a phase separator will be designed for a 12-kW R134a cooling system. We will also assess the scalability to one MW heat load and include weight and volume estimates. In Phase II, the R134a phase separator will be built and will replace a gravity-dependent unit that is currently used at RTI. We will perform detailed analysis and extensive testing, including transient and steady state operations. Testing under various orientations, micro and variable gravity conditions will be considered as well.

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

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