Nonlocal heat transport in laser-produced aluminum plasmas

Q. Z. Yu; Y. T. Li; S. M. Weng; Q. L. Dong; F. Liu; Z. Zhang; J. Zhao; X. Lu; C. Danson; D. Pepler; X. H. Jiang; Y. G. Liu; L. Z. Huang; S. Y. Liu; Y. K. Ding; Z. B. Wang; Y. Gu; X. T. He; Z. M. Sheng; J. Zhang

doi:10.1063/1.3372109

Nonlocal heat transport in laser-produced aluminum plasmas

Q. Z. Yu, Y. T. Li, S. M. Weng, Q. L. Dong, F. Liu, Z. Zhang, J. Zhao, X. Lu, C. Danson, D. Pepler, X. H. Jiang, Y. G. Liu, L. Z. Huang, S. Y. Liu, Y. K. Ding, Z. B. Wang, Y. Gu, X. T. He, Z. M. Sheng, J. Zhang

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摘要

The spatial and temporal evolutions of nonlocal heat transport in laser-produced aluminum plasmas are studied with the improvements of the Thomson scattering experiments and the kinetic Fokker-Planck simulations. The results are compared with the hydrodynamic simulations with the classical Spitzer-Härm theory. When another heater beam is used, the electron temperature decreases slowly and the temperature gradient becomes steep in the conduction zone. The nonlocal heat flux can be sustained at a high value with slow decrease for long time. The Fokker-Planck simulations considering electron-electron collisions can well describe the nonlocal heat transport process in laser-produced plasmas.

源语言	英语
文章编号	043106
期刊	Physics of Plasmas
卷	17
期	4
DOI	https://doi.org/10.1063/1.3372109
出版状态	已出版 - 4月 2010
已对外发布	是

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Yu, Q. Z., Li, Y. T., Weng, S. M., Dong, Q. L., Liu, F., Zhang, Z., Zhao, J., Lu, X., Danson, C., Pepler, D., Jiang, X. H., Liu, Y. G., Huang, L. Z., Liu, S. Y., Ding, Y. K., Wang, Z. B., Gu, Y., He, X. T., Sheng, Z. M., & Zhang, J. (2010). Nonlocal heat transport in laser-produced aluminum plasmas. Physics of Plasmas, 17(4), 文章 043106. https://doi.org/10.1063/1.3372109

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title = "Nonlocal heat transport in laser-produced aluminum plasmas",

abstract = "The spatial and temporal evolutions of nonlocal heat transport in laser-produced aluminum plasmas are studied with the improvements of the Thomson scattering experiments and the kinetic Fokker-Planck simulations. The results are compared with the hydrodynamic simulations with the classical Spitzer-H{\"a}rm theory. When another heater beam is used, the electron temperature decreases slowly and the temperature gradient becomes steep in the conduction zone. The nonlocal heat flux can be sustained at a high value with slow decrease for long time. The Fokker-Planck simulations considering electron-electron collisions can well describe the nonlocal heat transport process in laser-produced plasmas.",

author = "Yu, {Q. Z.} and Li, {Y. T.} and Weng, {S. M.} and Dong, {Q. L.} and F. Liu and Z. Zhang and J. Zhao and X. Lu and C. Danson and D. Pepler and Jiang, {X. H.} and Liu, {Y. G.} and Huang, {L. Z.} and Liu, {S. Y.} and Ding, {Y. K.} and Wang, {Z. B.} and Y. Gu and He, {X. T.} and Sheng, {Z. M.} and J. Zhang",

year = "2010",

month = apr,

doi = "10.1063/1.3372109",

language = "English",

volume = "17",

journal = "Physics of Plasmas",

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T1 - Nonlocal heat transport in laser-produced aluminum plasmas

AU - Yu, Q. Z.

AU - Li, Y. T.

AU - Weng, S. M.

AU - Dong, Q. L.

AU - Liu, F.

AU - Zhang, Z.

AU - Zhao, J.

AU - Lu, X.

AU - Danson, C.

AU - Pepler, D.

AU - Jiang, X. H.

AU - Liu, Y. G.

AU - Huang, L. Z.

AU - Liu, S. Y.

AU - Ding, Y. K.

AU - Wang, Z. B.

AU - Gu, Y.

AU - He, X. T.

AU - Sheng, Z. M.

AU - Zhang, J.

PY - 2010/4

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N2 - The spatial and temporal evolutions of nonlocal heat transport in laser-produced aluminum plasmas are studied with the improvements of the Thomson scattering experiments and the kinetic Fokker-Planck simulations. The results are compared with the hydrodynamic simulations with the classical Spitzer-Härm theory. When another heater beam is used, the electron temperature decreases slowly and the temperature gradient becomes steep in the conduction zone. The nonlocal heat flux can be sustained at a high value with slow decrease for long time. The Fokker-Planck simulations considering electron-electron collisions can well describe the nonlocal heat transport process in laser-produced plasmas.

AB - The spatial and temporal evolutions of nonlocal heat transport in laser-produced aluminum plasmas are studied with the improvements of the Thomson scattering experiments and the kinetic Fokker-Planck simulations. The results are compared with the hydrodynamic simulations with the classical Spitzer-Härm theory. When another heater beam is used, the electron temperature decreases slowly and the temperature gradient becomes steep in the conduction zone. The nonlocal heat flux can be sustained at a high value with slow decrease for long time. The Fokker-Planck simulations considering electron-electron collisions can well describe the nonlocal heat transport process in laser-produced plasmas.

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DO - 10.1063/1.3372109

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JO - Physics of Plasmas

JF - Physics of Plasmas

IS - 4

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Nonlocal heat transport in laser-produced aluminum plasmas

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