Here we take a look at the nuclear power generation. Nuclear power generates steam and turn turbine by the energy of the fission of uranium, etc. Let's think about the current issue and future of nuclear power and power supply.
Once nuclear power generation attracted attention as the future of energy, it had been expected as the stable power supply in the future.
One of the reasons that nuclear power has been expected as an energy source, is the concern of oil energy dependence.
It is said that oil energy will be exhausted in not far future. And the mass consumption of oil had been said to contribute to environmental destruction and global warming. In addition, when our country are highly dependence on oil, our economy can be affected by oil price increase for the Middle East unrest etc.
During in the economic growth, Japan increased oil consumption rapidly. Under such circumstances, the risk to be dependent on oil energy is becoming major concern of Japan from oil shocks and unstable Middle East situation. So, nuclear energy has attracted attention and became to be expected as a de-petroleum energy.
The second half of the 20th century, in Japan nuclear power plants are steadily constructed, and started operating.
In addition, new plans that use nuclear power such as fast-breeder reactor construction and Pluthermal plan are also begun.
When 21st century comes and global warming problem is to be close up, nuclear power that is considered to be small contributions to the global warming such as CO2 emissions attracts attention.
In order to significantly reduce CO2 emissions in Japan, Japan once planned to increase dependence on nuclear power to 50% and more, or even 70%.
Meanwhile, the occurrence of the 2011 earthquake and the Fukushima Daiichi nuclear power plant accident, brings a big impact to the world.
Reliance on nuclear power in Japan is hugely lost, now its risk is strongly pointed out.
However, the fear of nuclear power did not begin in the Fukushima nuclear power plant accident of 2011. The risks has been pointed out from long before.
Cases of overseas accidents. The research reports of the impact of radioactivity. Processing problems of radioactive waste. Domestic past accidents that could lead catastrophes. Risks of the plans itself, such as fast breeder reactors and Pluthermal plan.
However, those risks had not been regarded as important, Japan steadily increased nuclear power generation.
Nuclear power generation uses the nuclear fission energy of uranium etc. While fission is to be expected as an energy source for the magnitude of the energy, radioactivity generated and its explosive force has been considered to be very dangerous. If radiation leak or explosion accident happens, it not only threaten people's lives and livelihoods, it can severely damage the ecosystem.
Of course they should be able to be controlled technically. Nuclear power plants should have been made with multiple safety design in light of the lessons of past data and accidents. Therefore nuclear power has been believed to be safe power generation.
However, while you continue to the investigation of the nuclear accidents, a variety of facts come out, some of them have made us that we can not say they are very safe.
Here, we will primarily look at nuclear power generation in Japan. From the basic knowledge of nuclear power, we will look at the current situation and issues of nuclear power in Japan.
In addition, we would think about the future of nuclear power and Japan's energy policy.
|Nuclear Power Generation is||Fission Energy|
Power Generating Plant
|Issues of Nuclear Power Generation||Radioactive Waste|
Workers and Their Health
Safety Design and Quality Management
Correspondence in Case of Accident
Decommissioning of Nuclear Power Plant
|Future of Nuclear Power Generation||The Future of Nuclear Power
Should the Nuclear Power Be Eliminated?
Future of Energy Policy
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