Numerical analysis of convection heat transfer effects oncryogenic target temperature

yang xiaohu; xu han; tian chenglin; yin yan; zhuo hongbin

Volume 21 Issue 03

Mar. 2009

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Article Navigation > High Power Laser and Particle Beams > 2009 > 21(03): 0-

wang shao-guang, wei guang-hui, chen ya-zhou, et al. Radiation effects of ultra-wide spectrum on radio fuze and its protection[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

yang xiaohu, xu han, tian chenglin, et al. Numerical analysis of convection heat transfer effects oncryogenic target temperature[J]. High Power Laser and Particle Beams, 2009, 21.

wang shao-guang, wei guang-hui, chen ya-zhou, et al. Radiation effects of ultra-wide spectrum on radio fuze and its protection[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

yang xiaohu, xu han, tian chenglin, et al. Numerical analysis of convection heat transfer effects oncryogenic target temperature[J]. High Power Laser and Particle Beams, 2009, 21.

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Numerical analysis of convection heat transfer effects oncryogenic target temperature

1.
College of Science,National University of Defense Technology,Changsha 410073,China;
2.
College of Computer Science,National University of Defense Technology,Changsha 410073,China

Publish Date: 2009-03-15

Abstract

Abstract

The effect of the filling gas natural convection in the French Laser Mega Joule(LMJ) hohlraum on the target temperature distribution has been studied with a CFD code (Fluent). In order to reduce the temperature nonuniformity around the target, the division of the hohlraum with polymer membranes has been simulated to obtain the optimum division mode. In combination with the correct temperatures of the two cooling rings with a temperature difference of ±0.5 mK between them, the seven gas-division mode can meet the uniformity requirement of cryogenic target in the inertial confinement fusion.
- cryogenic target,
- indirect drive,
- natural convection,
- division mode

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