Radar Performance Improvements with Nanotube Enhanced Spray Cooling

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: FA8650-04-M-2465
Agency Tracking Number: B041-039-1198
Amount: $99,839.00
Phase: Phase I
Program: SBIR
Awards Year: 2004
Solicitation Year: 2004
Solicitation Topic Code: MDA04-039
Solicitation Number: 2004.1
Small Business Information
200 Yellow Place, Pines Industrial Center, Rockledge, FL, 32955
DUNS: 175302579
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Gregory Cole
 PI?Sr. Mechanical Enginee
 (321) 631-3550
 gsc@mainstream-engr.com
Business Contact
 Michael Rizzo
Title: Controller
Phone: (321) 631-3550
Email: mar@mainstream-engr.com
Research Institution
N/A
Abstract
Mainstream has already demonstrated that active cooling systems can be used to increase the output power and the power added efficiency of gallium arsenide (GaAs), high power amplifier (HPA), monolithic microwave integrated circuits (MMICs) by 36% and 14%, respectively. Now, Mainstream has developed a new and highly innovative technology that will not only improve the performance, increase the reliability, and extend the life of ballistic missile radar systems but also reduce the size, weight, and power consumption of the active thermal management system. An innovative surface enhancement technology has been demonstrated that promotes nucleation and surface wetting in nucleate pool boiling. Because the nucleate boiling mechanism is also present in spray cooling, the potential to increase the two-phase heat transfer coefficient by 50% and decrease thermal management system power consumption by 18% exists. In Phase I, Mainstream will experimentally demonstrate the improved spray cooling technique on surface enhanced heaters to measure thermal improvements and on a surface enhanced GaAs HPA MMIC to measure RF improvements. In Phase II, the improved spray cooling technology will be applied to a radar system at the T/R module-level.

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

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