شبیه سازی پارامترهای هیدرودینامیکی هدف همجوشی یون سنگین

نوع مقاله: مقاله پژوهشی کامل

نویسندگان

1 گروه هسته ای ، دانشکده فیزیک، دانشگاه یزد، یزد، ایران

2 بخش اتمی و مولکولی، دانشکده فیزیک، دانشگاه یزد، یزد، ایران

چکیده

در همجوشی یون سنگین که یکی از راههای تولید انرژی هسته‌ ای است، هدف بوسیله باریکه‌های یون سنگین بطور مستقیم متراکم ‌می‌گردد. باریکه‌های یونی به دلیل دارا بودن بازده، آهنگ تکرار و قابلیت کارایی بالا از مزایای بیشتری نسبت به لیزرها برخوردار هستند. طراحی شکل پالس و طراحی لایه های هدف از پارامترهای مهم در مقدار بهره هستند. در این مقاله، پارامترهای هیدرودینامیکی هدفی که با باریکه‌ یون بیســـــموت با انرژیGeV 10و طول پالسns 21 راه اندازی شده با روش تفاضل محدود در حوزه زمان شبیه سازی شده است. بهره‌ محاسبه شده برای یک هدف دلخواه 222 به‌دست آمده است. نتایج مقادیر شبیه سازی با نتایج کدهای DEIRA و MEDUSA مقایسه شده است.

کلیدواژه‌ها


عنوان مقاله [English]

Simulation of hydrodynamic parameters of heavy-ion fusion target

نویسندگان [English]

  • leila gholamzadeh 1
  • somayeh Baghestani 2
  • mehdi Sharifian 2
1 Nuclear Group, faculty of physics, Yazd University, Yazd, Iran
2 Atomic and molecules Group, Faculty of Physics, Yazd University, Yazd, Iran
چکیده [English]

In heavy ion fusion is one of the ways of producing nuclear energy, target is directly compressed by heavy ion beams. Ion beam due to high efficiency, repetition rate and high performance capability are more advantages than lasers. The design of pulse shape and target layers are important parameters in gain value. In this paper, the target hydrodynamic parameters driven by bismuth ion beam with energy 10GeV and pulse duration 21ns, are simulated with the finite difference time domain) FDTD) method. The calculated gain is 222 for a typical fuel pellet. The gain calculated for a desired target is achieved 222. Our simulation results are compared with the results of MEDUSA and DEIRA codes.

کلیدواژه‌ها [English]

  • heavy ion fusion
  • pulse shape
  • gain
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