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A novel micro-channel heat exchanger for high heat flux electronics

Award Information

Department of Defense
Award ID:
Program Year/Program:
2003 / STTR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
Sensintel Inc.
3292 E. Hemisphere Loop Tucson, AZ 85706-5013
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 1
Fiscal Year: 2003
Title: A novel micro-channel heat exchanger for high heat flux electronics
Agency / Branch: DOD / NAVY
Contract: N00014-03-M-0295
Award Amount: $69,665.00


In this Phase I STTR program, a team consisting of Advanced Ceramics Research Inc. (ACR) and the University of Arizona (UA) propose to develop and optimize a novel, low-cost, integrated micro-channel heat exchanger system for high power electronicapplications. In radar and other applications involving power electronics, thermal dissipation from the electronics approach levels as high as 1000 W/cm2. In the proposed work, ACR and UA will use their patented extrusion freeform fabrication (EFF) rapidprototyping technology to fabricate micro-channel heat exchangers with optimized channel sizes to dissipate up to 1000 W/cm2 under two-phase (boiling) flow conditions. UA will test and analytically model the milli-and micro-channel heat exchangers intwo-phase (boiling) flow in order to assess the overall heat transfer coefficient of candidate geometries of heat exchangers and optimize their configuration to obtain thermal dissipation approaching levels as high as 1000 W/cm2 and demonstrate that themaximum temperature will rise to less than 125¿F at the junction level. This can then be used in both passive and actively pumped cooling systems. Improved cooling techniques are required for reliable electronics with current trends toward increasedpackaging densities and higher power levels for applications such as aircraft avionics, electric power systems, radar and weapon systems.

Principal Investigator:

Ranji Vaidyanathan
Manager, Advanced Materials

Business Contact:

Brett E. Waldo
Small Business Information at Submission:

Advanced Ceramics Research, Inc.
3292 E. Hemisphere Loop Tucson, AZ 85706

EIN/Tax ID: 860640868
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Research Institution Information:
P. O. Box 210012
Tucson, AZ 85721
Contact: Richard C. Powell
Contact Phone: (520) 621-3513
RI Type: Nonprofit college or university