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Thermal-Hydraulic System Study of the Helium Cooled Pebble Bed (HCPB) Test Blanket Module (TBM) for ITER Using System Code RELAP5 被引量:2

Thermal-Hydraulic System Study of the Helium Cooled Pebble Bed (HCPB) Test Blanket Module (TBM) for ITER Using System Code RELAP5
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摘要 The HCPB concept has been a European DEMO reference concept for nearly one decade. Detailed thermal-hydraulic study on the control behavior of the whole system is one of the important parts of this development. The thermal-hydraulic effect of the TBM-combined cooling circuit during a cyclic operation in ITER has been studied using the system code RELAP5. The RELAP5 is based on an one-dimensional, transient two-fluid model for the flow of a two-phase steam-water mixture that can contain noncondensable components like Helium. The RELAP5models are modified to take the cyclic operation of the circulator, heat, exchanger, bypass, valves etc in to account. A sequence of operational phases is investigated, starting from the cold state through the heating phase that brings the system to a stand-by condition, followed by typical power cycles applied in ITER. The results show that the implemented control mechanisms keep the inlet temperature to the TBM and the total mass flow rate at the required values through all phases. The HCPB concept has been a European DEMO reference concept for nearly one decade. Detailed thermal-hydraulic study on the control behavior of the whole system is one of the important parts of this development. The thermal-hydraulic effect of the TBM-combined cooling circuit during a cyclic operation in ITER has been studied using the system code RELAP5. The RELAP5 is based on an one-dimensional, transient two-fluid model for the flow of a two-phase steam-water mixture that can contain noncondensable components like Helium. The RELAP5models are modified to take the cyclic operation of the circulator, heat, exchanger, bypass, valves etc in to account. A sequence of operational phases is investigated, starting from the cold state through the heating phase that brings the system to a stand-by condition, followed by typical power cycles applied in ITER. The results show that the implemented control mechanisms keep the inlet temperature to the TBM and the total mass flow rate at the required values through all phases.
出处 《Plasma Science and Technology》 SCIE EI CAS CSCD 2005年第2期2753-2757,共5页 等离子体科学和技术(英文版)
基金 The project supported by European Fusion Development Agreement (EFDA) Technology Work Program
关键词 test blanket module helium cooled pebble bed RELAP5 cooling system test blanket module, helium cooled pebble bed, RELAP5, cooling system
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参考文献4

  • 1Boccaccini L V, Hermsmeyer S, Meyder R. EU Desings and Efforts on ITER HCPB TBM. ITER TBMP roject Meeting at UCLA, Feb. 2004.
  • 2Kleefeldt K. Thermal-Hydraulic Model of the Helium-Cooled Pebble Bed Test Blanket Module for ITER FEAT. FZKA 6724, Forschungszentrum Karlsruhe,2003.
  • 3Hermsmeyer S, Dolensky B, Fiek J, et al. Revision of the EU Helium cooled pebble bet blanket for DEMO.SOFE-conference, San Diego, October 2003.
  • 4The RELAP5 Code Development Team: RELAP5/MOD3 Code Manual Volume II: User's guide and input requirements, NUREG/CR-5535, INEL-95/0174,Aug. 1995.

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