Simulation study on gas targets applied to underdense plasma generation

ma zhannan; wang xiaofang

Volume 23 Issue 10

Nov. 2011

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(10): 0-

luo min, chang an-bi, zhao dian-lin, et al. Optimization of MV-class repetitive trigatron switch[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

ma zhannan, wang xiaofang. Simulation study on gas targets applied to underdense plasma generation[J]. High Power Laser and Particle Beams, 2011, 23.

luo min, chang an-bi, zhao dian-lin, et al. Optimization of MV-class repetitive trigatron switch[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

ma zhannan, wang xiaofang. Simulation study on gas targets applied to underdense plasma generation[J]. High Power Laser and Particle Beams, 2011, 23.

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Simulation study on gas targets applied to underdense plasma generation

1.
CAS Key Laboratory of Basic Plasma Physics,Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China

Publish Date: 2011-10-15

Abstract

Abstract

Numerical simulations and analyses are done on two types of gas targets by using a computational fluid-dynamics software. For a gas-filling capillary, a stable laminar flow can be formed. It can produce a uniform density distribution and the nonuniformity between the two inlets is only 1%. The capillary parameters such as the capillary’s inlet locations and the inlet width have evident influence on the density profiles around the capillary’s ends, but negligible on the density-profile distributions inside the capillary. For a conical gas jet, it can make the end-density profile steeper than that of the capillary. But the supersonic flow of the gas jet may cause turbulence, which may cause the gas flow unstable and the gas-density profile less uniform.
- gas target,
- fluid-dynamics simulation,
- gas-density distribution,
- uniformity

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