Author(s)： Shervin Goudarzi, Fatemeh Dadgarnejad, Hojat Babaee
Concerning the increasing global energy demand, the current paper considers nuclear energy as a solution. Within this context, the 2011 disaster in Fukushima Nuclear Power Plant and, particularly, the technical disorders in boiling water reactors are explained. The deficiency of safety technique in boiling water reactors is explained. The deficiencies in safety procedure of this type of reactors manifested during 2011 earthquake and subsequent tsunami are explained. To complete the discussion, the newer technologies of reactors enabling them to act more safely during natural disasters are introduced. These investigations indicate that despite improvement in the fission reactor technologies, the danger embedded in them still remains. Therefore, the nuclear fusion using Deuterium-Tritium reaction is the best way forward for energy production in the future, and the best candidate of this type of reactors is Tokamak.
It seems that important problems with nuclear fission reactors can be reduced; the new designed nuclear power plants can withstand natural disasters, mainly earth quake and tsunami. However, in these new generations of fission-type nuclear power plants, the challenge of preparing the required fuel, dangerous radioactive waste and risks of incidents such as explosion and leak still exist.
Nuclear fusion is the best candidate for providing energy in the future; it does not have any of the problems of the other energy generation methods. A large number of investments have put on developing fusion-type reactors in the last 6 decades, but a lot of theoretical and technical problems must be solved and still many years are left for the commercial usage of such type of reactors.
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