Dynamic Evolution of Fusion Processes in Ultrahigh-Pressure Liquid-Metallic Hydrogen : Effects of Self-Heating and Radiative Cooling
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概要
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Temporal evolution of enhanced pycnonuclear reactions and resultant thermohydrodynamicexpansion in ultrahigh-presstrre liquid-metallic hydrogen have been analyzed by taking intoaccount the heating elect of the charged fusion yields and the cooling effect by radiation. Itis predicted that the p-d reactions, starting with the initial conditions for the fuel material,(mass density, temperature, presstrre) = (10 g/curt', 900 K, 130 1N4bar), may last for 10 ' fs,yielding a net gain of therrnal energy by a factor of' 10'; the temperature 4 x 10' K, attainedin the final stage, tray not be high enough to re-ignite thermonuclear reactions, however. Thed-t reactions, starting with the initial conditions (TO' g/cm', 16,100 K, 10" Mbar), may last for10 ' fs and yield a thermal gain by a factor of 24, raising the fuel ternperattrre to approximately4 x 10" K, which is sufficient to re-ignite the thertnonuclear reactions, leading to a total gainfactor of 90.
- 社団法人日本物理学会の論文
- 1996-05-15
著者
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Kitamura Hikaru
Department Of Physics University Of Tokyo
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Kitamura Hikaru
Department Of Physics School Of Science The University Of Tokyo
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Ichimaru Setsuo
Department Of Physics University Of Tokyo
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Ichimaru Setsuo
Department Of Nuclear Engineering University Of Tokyo
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