Micro-channel heat sink based on boiling-cavitation coupling effect for LD bar

cao hongzhang; tang dawei; xu hongbo; tian changqing; wu deyong; gao songxin

Volume 23 Issue 01

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(01): 0-

wang qian, wang qi, cheng yuan-li. Effect of transmitted laser linewidth on wind measurement of direct detection lidar using double-edge technique[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

cao hongzhang, tang dawei, xu hongbo, et al. Micro-channel heat sink based on boiling-cavitation coupling effect for LD bar[J]. High Power Laser and Particle Beams, 2011, 23.

wang qian, wang qi, cheng yuan-li. Effect of transmitted laser linewidth on wind measurement of direct detection lidar using double-edge technique[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

cao hongzhang, tang dawei, xu hongbo, et al. Micro-channel heat sink based on boiling-cavitation coupling effect for LD bar[J]. High Power Laser and Particle Beams, 2011, 23.

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Micro-channel heat sink based on boiling-cavitation coupling effect for LD bar

1.
Institute of Engineering Thermo Physics,Chinese Academy of Sciences,Beijing 100190,China;
2.
Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Beijing 100190,China;
3.
Institute of Applied Electronics,CAEP,P.O.Box 919-1013,Mianyang 621900,China

Publish Date: 2010-12-27

Abstract

Abstract

A copper micro-channel phase-change heat sink has been developed for cooling high power continual laser diode based on coupling of boiling-cavitation in micro-channel. Its exterior size was 20 mm×12 mm×1.6 mm. The length of channel was estimated through 2D numerical calculation, and the width, depth and separation were determined according to processing conditions. The electron-optic efficiency, output wavelength and the relation between input current and output power were measured experimentally when LD output power changes from 0 to 100 W. The cooling refrigerant was R134a. The thermal resistance of heat sink was measured as 0.3 ℃/W, when the magnetic drive gear pump operated at 50 r/s motor speed.
- laser diode,
- coupling of boiling-cavitation,
- micro-channel phase-change heat sink

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