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首页> 外文会议>Conference on Superintense Light Fields and Ultrafast Processes; 20030630-20030704; St.Petersburg; RU >Fast ignition in system 'Dynamic Hohlraum' with Monte-Carlo simulations of fusion kinetic and radiation processes
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Fast ignition in system 'Dynamic Hohlraum' with Monte-Carlo simulations of fusion kinetic and radiation processes

机译：在“动态霍尔伦”系统中进行快速点火，并进行融合动力学和辐射过程的蒙特卡洛模拟

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摘要

The scheme of fast ignition by super-intense laser of DT target placed at a cavity of the radiate plasma liner, created in a "dynamic - hohlraum" system is considered. It is shown that this scheme can supply effective TN fusion. The process of compression and preheating of DT fuel of shell target by X-ray radiation of Dynamic Hohlraum is simulated by the code TRITON with parameters of Z-generator of Sandia National Laboratory. The optimum parameters of target are obtained. The mechanism of ignitor creation by protons, accelerated by ultra-shot laser radiation is considered and corresponding laser parameters are evaluated. The mathematical simulation of the following thermonuclear (TN) bum wave propagation in DT target is carried out with the use of TERA code based upon the direct statistical simulation of kinetics of fast charged particles and quantum of thermal radiation on each time step of hydrodynamics. The released TN energy is obtained as a function of ignition energy. The theoretical explanations of obtained dependencies are presented. The laser parameters necessary to produce G 1 are determined.
机译：考虑了由超强激光对放置在辐射等离子体衬套腔体上的DT目标进行快速点火的方案，该方案是在“动态-全息”系统中创建的。结果表明，该方案可以提供有效的TN融合。以美国桑迪亚国家实验室的Z-generator参数为参数，用TRITON代码模拟了动态Hohlraum的X射线辐射对壳目标DT燃料的压缩和预热过程。获得目标的最佳参数。考虑了质子产生引燃剂的机理，并由超短时激光辐射加速，并评估了相应的激光参数。接下来的热核（TN）烧伤波在DT目标中的数学仿真是使用TERA代码进行的，该仿真基于流体动力学每个时间步上快速带电粒子动力学和热辐射量子的直接统计模拟。获得释放的TN能量作为点火能量的函数。给出了获得的依赖关系的理论解释。确定产生G >> 1所需的激光参数。

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