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Deployable, Lightweight, Freeze-Tolerant Radiator For Two Phase Thermal Management

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: 80NSSC20C0602
Agency Tracking Number: 205014
Amount: $124,978.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: Z2
Solicitation Number: SBIR_20_P1
Solicitation Year: 2020
Award Year: 2020
Award Start Date (Proposal Award Date): 2020-08-07
Award End Date (Contract End Date): 2021-03-01
Small Business Information
16 Great Hollow Road
Hanover, NH 03755-3116
United States
DUNS: 072021041
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Thomas Conboy
 (603) 643-3800
Business Contact
 Jennifer Hammond
Phone: (603) 640-2317
Research Institution

Future space exploration missions require advanced thermal control systems (TCS) to dissipate heat from spacecraft, rovers, or habitats to external environments. These TCSs must be lightweight, reliable, and able to effectively control cabin and equipment temperatures under widely varying heat loads and ambient temperatures. In contrast to single-phase pumped coolant loops, two-phase pumped loops are very attractive for this application because of the uniform cooling temperature provided by the boiling coolant, low required pumping power, high-heat transfer coefficients, and high thermal conductance. However, introduction of two-phase flow can pose design challenges associated with flow management and dynamic stability. A condensing radiator technology is needed to enable future heat rejection systems with high turndown ratio, compatibility with freezing, and deployability, while balancing considerations unique to two-phase flow condensation. To meet these performance requirements, Creare has developed a freeze-tolerant, variable-conductance radiator for deployable heat rejection in two-phase pumped loop systems.

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

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