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Coaxial heat pipe for cooling of a laser’s reflector
Author(s) -
A. N. Gershuni,
A. P. Nishchik
Publication year - 2014
Publication title -
tehnologiâ i konstruirovanie v èlektronnoj apparature
Language(s) - English
Resource type - Journals
eISSN - 2309-9992
pISSN - 2225-5818
DOI - 10.15222/tkea2014.2-3.37
Subject(s) - materials science , coaxial , heat pipe , thermal resistance , air cooling , reflector (photography) , thermal , mechanics , evaporation , optics , heat transfer , mechanical engineering , thermodynamics , physics , engineering , light source
The paper presents the development and research results for a coaxial heat pipe designed for cooling of a reflector of a solid-state laser. A coaxial cylindrical heat pipe, designed to cool the laser reflector, provides that the temperature of the heat-removing surface does not exceed 120°C at any orientation in the gravitational field, if the heat is removed by forced convection of air with the temperature of 60°C in a pulsed mode of heat flow supply of 300 W. Thermal resistance of the developed heat pipe is 0,03 K/W, the specific thermal resistance — 1,1*10–3 m2*K/W. The developed cooling system based on the evaporation-condensation principle, allows ensuring temperature uniformity of the cooling surface at low thermal resistance.

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