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In the theoretical and experimental research of radiation transport in inertial confinement fusion (ICF), the radiation spectrum in the foam cylinder can be changed by the surrounding high-Z wall. In this paper, we simulated and studied the property of flux emitted by the high-Z wall using 1-D plane model. Our work shows that the gradient of electron temperature is the reason why spectrum of flux emitted by the high-Z wall deviates from equillibrium. In order to quantitatively study the property of flux emitted by the high-Z wall, we define the non-equilibrium rate and deduced its estimating formula in the temperature scale of ICF experiment.
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Keywords:
- radiation transport /
- temperature gradient /
- flux /
- non-equilibrium rate
[1] Marshak R E 1958 Phys. Fluids 1 24
[2] Pakula R, Sigel R 1985 Phys. Fluids 28 232
[3] Hammer J H, Rosen M D 2003 Phys. Plasmas 10 1829
[4] Kaiser N, Meyer-ter-Vehn J, Sigel R 1989 Phys. Fluids B 1 1747
[5] Zhang J, Pei W 1992 Phys. Fluids B 4 872
[6] Garnier J, Malinié G, Saillard Y, Cherfils-Clérouin C 2006 Phys. Plasmas 13 092703
[7] Hoarty D, Willi O, Barringer L, Vickers C, Watt R, Nazarov W 1999 Phys. Plasmas 6 2171
[8] Back C A, Bauer J D, Hammer J H, Lasinski B F, Turner R E, Rambo P W, Landen O L, Suter L J, Rosen M D, Hsing W W 2000 Phys. Plasmas 7 2126
[9] Back C A, Bauer J D, Landen O L, Turner R E, Lasinski B F, Hammer J H, Rosen M D, Suter L J, Hsing W H 2000 Phys. Rev. Lett. 84 274
[10] Lan K, Feng T G, Lai D X, Xu Y, Meng X J 2005 Laser and Particle Beams 23 275
[11] Xu Y, Jiang S E, Lai D X, Pei W B, Ding Y K, Chang T Q, Lan K, Li S G, Feng T G 2006 Laser Part. Beams 24 495
[12] Pomraning G C 1973 Radiation Hydrodynamics (Oxford: Pergamon Press) p31
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[1] Marshak R E 1958 Phys. Fluids 1 24
[2] Pakula R, Sigel R 1985 Phys. Fluids 28 232
[3] Hammer J H, Rosen M D 2003 Phys. Plasmas 10 1829
[4] Kaiser N, Meyer-ter-Vehn J, Sigel R 1989 Phys. Fluids B 1 1747
[5] Zhang J, Pei W 1992 Phys. Fluids B 4 872
[6] Garnier J, Malinié G, Saillard Y, Cherfils-Clérouin C 2006 Phys. Plasmas 13 092703
[7] Hoarty D, Willi O, Barringer L, Vickers C, Watt R, Nazarov W 1999 Phys. Plasmas 6 2171
[8] Back C A, Bauer J D, Hammer J H, Lasinski B F, Turner R E, Rambo P W, Landen O L, Suter L J, Rosen M D, Hsing W W 2000 Phys. Plasmas 7 2126
[9] Back C A, Bauer J D, Landen O L, Turner R E, Lasinski B F, Hammer J H, Rosen M D, Suter L J, Hsing W H 2000 Phys. Rev. Lett. 84 274
[10] Lan K, Feng T G, Lai D X, Xu Y, Meng X J 2005 Laser and Particle Beams 23 275
[11] Xu Y, Jiang S E, Lai D X, Pei W B, Ding Y K, Chang T Q, Lan K, Li S G, Feng T G 2006 Laser Part. Beams 24 495
[12] Pomraning G C 1973 Radiation Hydrodynamics (Oxford: Pergamon Press) p31
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