Effects of Atomic Mixing in Inertial Confinement Fusion by Multifluid Interpenetration Mix Model  

作　　者：GU Jian-Fa YE Wen-Hua 

机构地区：[1]Institute of Applied Physics and Computational Mathematics, Beijing 100094, China

出　　处：《Communications in Theoretical Physics》2009年第12期1102-1106,共5页理论物理通讯（英文版）

基　　金：Supported by the National Basic Research Program of China under Grant No.2007CB815100;the National Natural Science Foundation of China under Grant Nos.10775020 and 10935003

摘　　要：The effects of atomic-level rnixing are systemically investigated in a multifluid interpenetration mix model ,and results are compared with the single-fluid model＇s simulations and experimental data. It is shown that increasing the model free parameter α, shock Mach number, and the initial density discontinuity makes the mix length and fraction of mixing particle increase, resulting in the lower shock temperatures compared with the results of single-fluid model without mixing. Recent high-compressibility direct-drive spherical implosions on OMEGA are simulated by the interpenetration mix modal. The calculations with atomic mixing between fuel and shell match quite well with the observations. Without considering any mixing, the calculated neutron yields and ion temperatures are overpredicted; while inclusion of the interpenetration mix model with the adjustable parameter α could fit the simulated neutron yields and ion temperatures well with experimental data.

关 键 词：multifluid interpenetration mix model atomic mixing inertial confinement fusion 

分 类 号：O562.1[理学—原子与分子物理] TS272.55[理学—物理]