Advanced Modular Radiator

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9453-11-M-0034
Agency Tracking Number: F103-107-1638
Amount: $99,896.00
Phase: Phase I
Program: SBIR
Awards Year: 2011
Solicitation Year: 2010
Solicitation Topic Code: AF103-107
Solicitation Number: 2010.3
Small Business Information
Technology Assessment & Transfer, Inc.
133 Defense Highway, Suite 212, Annapolis, MD, -
DUNS: 153908801
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 James Hom
 Senior Thermal Engineer
 (410) 987-8988
 jhom@techassess.com
Business Contact
 Sharon Fehrenbacher
Title: CEO
Phone: (410) 224-3710
Email: sharon@techassess.com
Research Institution
 Stub
Abstract
This proposal introduces advances in the performance and packaging of modular radiators for heat flow modulation on operationally responsive space (ORS) smallsats. The proposed concept is based on the loop heat pipe (LHP) thermal switching radiator. Two key advancements proposed are: 1) use of a novel submicron pore size, high permeability wick that offers higher performance and lower cost than traditional titanium wicks typically used in ammonia LHPs; and 2) a low profile, integrated LHP/insulation/radiator module that can be quickly bolted to a satellite bus panel, or payload panel and deliver high switch ratio heat flow modulation. The Phase I project will involve novel wick development and characterization, and advanced modular radiator concept development, modeling and preliminary design. This work provides the foundation of fabrication and testing of the advanced modular radiator in Phase II. BENEFIT: The proposed advanced modular radiator will is a key component of a plug-and-play thermal architecture that allows rapid smallsat assembly using off the shelf thermal components selected based on mission requirements.

* information listed above is at the time of submission.

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