By Ken Nakajima
This publication covers crucial points of transmutation applied sciences, highlighting in particular the advances in Japan. The coincidence on the Fukushima Daiichi Nuclear energy Plant (NPP) has brought on us to concentration realization on a large number of spent nuclear fuels kept in NPPs. additionally, public anxiousness concerning the therapy and disposal of high-level radioactive wastes that require long term regulate is transforming into. the japanese coverage at the back-end of the nuclear gas cycle remains to be unpredictable within the aftermath of the coincidence. for that reason, learn and improvement for reinforcing the security of assorted procedures focused on nuclear power construction are being actively pursued all over the world. specifically, nuclear transmutation know-how has been drawing major awareness after the accident.
This e-book is well timed with the next highlights: 1) improvement of accelerator-driven structures (ADSs), that's a brand-new reactor thought for transmutation of hugely radioactive wastes; 2) Nuclear reactor structures from the perspective of the nuclear gasoline cycle. tips to lessen nuclear wastes or the right way to deal with them together with the particles from TEPCO’s Fukushima nuclear strength stations is mentioned; and three) Environmental radioactivity, radioactive waste therapy and geological disposal policy.
State-of-the-art applied sciences for total back-end problems with the nuclear gas cycle in addition to the applied sciences of transmutation are awarded right here. The bankruptcy authors are actively occupied with the improvement of ADSs and transmutation-related applied sciences. the way forward for the back-end concerns in Japan is particularly doubtful after the twist of fate on the Fukushima Daiichi NPP and this booklet offers a chance for readers to think about the long run course of these issues.
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Additional resources for Nuclear Back-end and Transmutation Technology for Waste Disposal: Beyond the Fukushima Accident
Kobayashi K et al (1987) KURRI-Linac as a neutron source for irradiation. Annu Rep Res Reactor Inst Kyoto Univ 22:142 6. 01eV to 10eV. J Nucl Sci Technol 33:815 7. 0: a new library for nuclear science and engineering. J Nucl Sci Technol 48:1 Chapter 4 Development of Nondestructive Assay of Fuel Debris of Fukushima Daiichi NPP (2): Numerical Validation for the Application of a Self-Indication Method Tadafumi Sano, Jun-ichi Hori, Yoshiyuki Takahashi, Hironobu Unesaki, and Ken Nakajima Abstract To perform decommissioning of the Fukushima Daiichi NPP safely, it is very important to measure the components of the fuel debris.
The burn-up of the MOX pellet is 20 GWd/t. 1–100 eV: the resonance peaks are 41, 73, 75, and 97 eV. The transmitted neutrons are easily obtained via 129I resonance absorption reactions in the indicator by the present method (Fig. 4). Using the self-indication method, one cannot prepare a pure indicator to identify and quantify a target nuclide in a sample. Therefore, it is necessary to validate the application of the present method using an impure indicator. 5 shows the numerical result of 239Pu fission yield in the indicator, which has impure plutonium.
OECD/NEA, ISBN: 92-6419905-5 2. Okumura K et al (2007) SRAC 2006: a comprehensive neutronics calculation code system. JAEA-Data/Code, 2007–004 3. 0: a new library for nuclear science and engineering. J Nucl Sci Technol 48(1):1–30 4. Nagaya Y et al (2005) MVP/GMVP II: general purpose Monte Carlo codes for neutron and photon transport calculations based on continuous energy and multigroup methods. JAERI 1348, Japan Atomic Energy Research Institute Chapter 5 Precise Measurements of Neutron Capture Cross Sections for LLFPs and MAs S.