Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session N00: Poster Session II (11am-2pm PST)
11:00 AM,
Wednesday, March 8, 2023
Room: Exhibit Hall (Forum Ballroom)
Sponsoring
Unit:
APS
Abstract: N00.00262 : The Capillary-driven Two-phase Embedded Microchannel Heatsink for the Efficient Cooling of Power Electronic Modules
Presenter:
Yujui Lin
(Stanford University)
Authors:
Yujui Lin
(Stanford University)
Tiwei Wei
(School of Mechanical Engineering, Purdue University)
Mehdi Asheghi
(Department of Mechanical Engineering, Stanford University)
Kenneth E Goodson
(Stanford Univ)
Collaboration:
Nanoheat Lab, Stanford University
In this study, a microchannel cooler with a wicking structure is proposed to leverage the potential of capillary flow and two-phase cooling to improve the cooling performance. The wicking structure at the surface of the channels transports the coolant via capillary force (4). Also, phase-change cooling removes heat by latent heat without a temperature increase (5). The design enables a much lower thermal resistance of the heat exchanger (< 0.2 cm2-W/K) that can operate at a much lower pressure drop (<5 kPa) for the application to the next-generation power electronic module.
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