Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Akitoshi Hotta"'
Publikováno v:
Nuclear Engineering and Technology, Vol 47, Iss 1, Pp 1-10 (2015)
After the Fukushima Daiichi nuclear power plant (NPP) accident, new regulatory requirements were enforced in July 2013 and a backfit was required for all existing nuclear power plants. It is required to take measures to prevent severe accidents and m
Externí odkaz:
https://doaj.org/article/31851383b6804dd6a92007afa3b0920f
Publikováno v:
Transactions of the Atomic Energy Society of Japan. 19:1-15
Publikováno v:
Physics of Fluids. 34:123326
Fluid infiltration, solidification, and remelting in a particle bed are complex phenomena that can occur in the lower head of a reactor pressure vessel (an in-vessel phenomenon) or in the reactor cavity below the vessel (an ex-vessel phenomenon) duri
Autor:
Akinobu Morita, Michael Buck, Andrei Komlev, Akitoshi Hotta, Per Sköld, Seyed Mohsen Hoseyni, Toshinori Matsumoto, Miyuki Akiba, Tomoyuki Sugiyama, Sachin Thakre, Alexander Konovalenko, Walter Villanueva, Sevostian Bechta
Publikováno v:
Journal of Nuclear Science and Technology. 57:353-369
Key phenomena in the cooling states of underwater debris beds were classified based on the premise that a target debris bed has a complicated geometry, nonhomogeneous porosity, and volumetric heat....
Publikováno v:
Nuclear Engineering and Design. 387:111598
Publikováno v:
Nuclear Engineering and Design. 386:111523
This article is the first part of two-part series describing the MSPREAD code developed for analyzing anisotropic melt spreading. The debris bed is modeled as a multi-layer structure consisting of the substrate, melt, upper and bottom crusts, and amb
Publikováno v:
Journal of Nuclear Science and Technology. 56:55-69
A framework of the modular code system, THERMOS, aiming to evaluate cooling of a debris bed having complex configurations was introduced with a focus on one of the major modules, DPCOOL, which mode...
Autor:
Andrei Komlev, Seyed Mohsen Hoseyni, Sachin Thakre, Sevostian Bechta, Akitoshi Hotta, Alexander Konovalenko, Miyuki Akiba, Walter Villanueva, Per Sköld
Publikováno v:
Nuclear Engineering and Design. 379:111229
The re-melting of multi-component debris is important for both in-vessel and ex-vessel phases of severe accident progression in nuclear power plants. However, current knowledge is limited with respect to understanding the associated complex phenomena
Publikováno v:
Annals of Nuclear Energy. 158:108297
A 3D MCCI code, CORCAAB, has been developed to account for uncertainty factors in the long-term molten corium–concrete interaction including changes in the three-dimensional cavity contour, which affect the convective heat transfer of the molten de
Publikováno v:
Transactions of the Atomic Energy Society of Japan. 16:139-152