Numerical simulation of cooling methods for solid heat capacity laser

ma xiu-hua; tang qian-jin; hu qi-quan; chen wei-biao

Volume 18 Issue 12

Dec. 2006

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xiang yi huai, zhou chuang zhi, gong kun, et al. Development of the focus system for HeavenⅠ[J]. High Power Laser and Particle Beams, 2003, 15.

Citation:

ma xiu-hua, tang qian-jin, hu qi-quan, et al. Numerical simulation of cooling methods for solid heat capacity laser[J]. High Power Laser and Particle Beams, 2006, 18.

xiang yi huai, zhou chuang zhi, gong kun, et al. Development of the focus system for HeavenⅠ[J]. High Power Laser and Particle Beams, 2003, 15.

Citation:

ma xiu-hua, tang qian-jin, hu qi-quan, et al. Numerical simulation of cooling methods for solid heat capacity laser[J]. High Power Laser and Particle Beams, 2006, 18.

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Numerical simulation of cooling methods for solid heat capacity laser

1.
Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,P.O.Box 800-211,Shanghai 201800,China

Publish Date: 2006-12-15

Abstract

Abstract

The solid heat capacity laser needs cooling after continuous operation for a short time before the next operation, so the cooling speed directly affects its working efficiency. The Nd: GGG disk laser medium end symmetrically pumped from four directions by the diode arrays was adopted. Based on the heat transfer equation with heat depositing mode, the numerical simulations of the temperature field and the thermal stress distribution in the slab medium were performed under the condition of heat capacity operation by finite element analysis method. Four cooling methods, including cold gas, water cycle, atomization and phase cooling, were respectively used to cool the slab medium. The transient temperature history and the stress history of the medium were simulated. The simulation result indi
- heat capacity laser,
- heat effect,
- finite element analysis,
- fast cooling technology,
- phase cooling

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