Transactions of the ASME . Journal of engineering for gas turbines and power, Vol. 133 N° 5. Journal of engineering for gas turbines and power - Mai 2011
| Titre : | Transactions of the ASME . Journal of engineering for gas turbines and power, Vol. 133 N° 5. Journal of engineering for gas turbines and power - Mai 2011 |
| Type de document : | Bulletin |
| Paru le : | 12/02/2012 |
Dépouillements
Article : texte imprimé
Gyeongho Kim, Auteur ;
Dong-Ok Kim, Auteur ;
Woo-Seok Choi, Auteur
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Graphite blocks are important core components of the high temperature gas-cooled reactor. As these blocks are simply stacked in array, collisions among neighboring components may occur during earthquakes or accidents. Thus, it is important to de[...]
Article : texte imprimé
Zheng Yanhua, Auteur ;
Shi Lei, Auteur
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Reactivity accident due to inadvertent withdrawal of the control rod is one kind of the design basis accident for high temperature gas-cooled reactors, which should be analyzed carefully in order to validate the reactor inherent safety propertie[...]
Article : texte imprimé
Liyang Zhu, Auteur ;
Wuhua Duan, Auteur ;
Jingming Xu, Auteur
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Reprocessing of used nuclear fuel and nuclear waste management are important issues for the sustainable development of nuclear energy. It is necessary to develop novel nuclear waste treatment technologies to meet the goal of minimizing the secon[...]
Article : texte imprimé
Jan Schuhknecht, Auteur ;
Hans-Werner Viehrig, Auteur ;
Udo Rindelhardt, Auteur
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The investigation of reactor pressure vessel (RPV) materials from decommissioned nuclear power plants (NPPs) offers the unique opportunity to scrutinize the irradiation behavior under real conditions. Material samples taken from the RPV wall ena[...]
Article : texte imprimé
Akimaro Kawahara, Auteur ;
Michio Sadatomi, Auteur ;
Yutaro Nakamoto, Auteur
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Most of the recent subchannel analysis codes are based on a multifluid model, and an accurate evaluation of the constitutive equations in the model is essential. In order to get an accurate interfacial friction force in two-phase bubble flows, e[...]
Article : texte imprimé
Koichi Hata, Auteur ;
Suguru Masuzaki, Auteur
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The subcooled boiling heat transfer and the steady-state critical heat fluxes (CHFs) in a short SUS304-tube with twisted-tape insert are systematically measured for mass velocities (G=4016–13,850 kg/m2 s), inlet liquid temperatures (Tin=285.82–[...]
Article : texte imprimé
Junfeng Wang, Auteur ;
Yanping Huang, Auteur ;
Yanlin Wang, Auteur
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Visualized experimental observation on flow patterns during flow boiling of water under single-side heated and fluid-inlet subcooled conditions in a vertical narrow rectangular channel with the cross section of 40×3 mm2 have been carried out. F[...]
Article : texte imprimé
Kun Mo, Auteur ;
Gianfranco Lovicu, Auteur ;
Hsiao-Ming Tung, Auteur
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The very high temperature gas-cooled reactor (VHTR), with dual capacities of highly efficient electricity generation and thermochemical production of hydrogen, is considered as one of the most promising Gen-IV nuclear systems. The primary candid[...]
Article : texte imprimé
Flavio D. Giust, Auteur ;
Peter Grimm, Auteur ;
Rakesh Chawla, Auteur
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In this paper, reconstructed local fission rates obtained with the two-group nodal diffusion program PRESTO-2, used at the Leibstadt Nuclear Power Plant (KKL) in Switzerland, are compared with experimental results and MCNPX calculations. The exp[...]
Article : texte imprimé
H. Kondo, Auteur ;
Furukawa, T., Auteur ;
Y. Hirakawa, Auteur
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The International Fusion Materials Irradiation Facility (IFMIF) is a D+–Li neutron source aimed at producing an intense high energy neutron flux (2 MW/m2) for testing candidate fusion reactor materials. Under Broader Approach activities, Engine[...]
Article : texte imprimé
Hirokazu Sugiura, Auteur ;
Takuji Kanemura, Auteur ;
Sachiko Yoshihashi-Suzuki, Auteur
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The International Fusion Materials Irradiation Facility (IFMIF) has been conceived as a high-flux 14 MeV neutron source for testing candidate fusion reactor materials. In the current design, neutrons are generated by irradiating a target with a [...]
Article : texte imprimé
Xu HongKun, Auteur ;
Fang Fang, Auteur ;
Ni Shijun, Auteur
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Gamma-ray spectrum analysis was essential for radioactive environmental monitoring, and it had been widely used in many areas of nuclear engineering. However, for the low-energy region of gamma-ray spectrum, weak peaks were contained in the fast[...]
Article : texte imprimé
Xiang Zhao, Auteur ;
Trent Montgomery, Auteur ;
Sijun Zhang, Auteur
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In this paper, computational fluid dynamics (CFD) gas flow simulations are carried out for the pebble bed reactor. In CFD calculations, geometry modeling and physical modeling are crucial to CFD results. The effects of the treatments of the inte[...]
Article : texte imprimé
Hyoung Kyu Cho, Auteur ;
Byong-Jo Yun, Auteur ;
Ik Kyu Park, Auteur
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For the analysis of transient two-phase flows in nuclear reactor components such as a reactor vessel, a steam generator, and a containment, KAERI has developed a three-dimensional thermal hydraulic code, CUPID. It adopts a three-dimensional, tra[...]
Article : texte imprimé
Lingzhi Xia, Auteur ;
Jin Jiang, Auteur
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This paper presents the development of a three-dimensional space-time neutronic kinetic model of a Canadian deuterium uranium (CANDU) reactor using a modal method. In this method, the reactor space-time neutron flux is synthesized by a time-weig[...]
Article : texte imprimé
A. Cammi, Auteur ;
V. Di Marcello, Auteur ;
C. Guerrieri, Auteur
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In this paper, the zero-power behavior of circulating fuel reactors (CFRs) has been investigated by means of a zero-dimensional neutron kinetics model that provides a simplified but useful approach to the simulation of the dynamics of this class[...]
Article : texte imprimé
Christophe Vallée, Auteur ;
Tobias Seidel, Auteur ;
Dirk Lucas, Auteur
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In order to investigate the two-phase flow behavior during countercurrent flow limitation in the hot leg of a pressurized water reactor, two test models were built: one at the Kobe University and the other at the TOPFLOW test facility of Forschu[...]
Article : texte imprimé
Toru Kawasaki, Auteur ;
Motohiro Aizawa, Auteur ;
Hidehiro Iizuka, Auteur
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The hydrogen concentration in the outlets of off-gas recombiners increased at Hamaoka Units 4 and 5, and their reactors could not continue the startup operations. Therefore, we investigated why the recombination reactions were deactivated and we[...]
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