ASSESSMENT OF THE HPLWR THERMAL CORE DESIGN
The 5th International Symposium on SuperCritical Water-cooled Reactors - 2011 March 13-16


Presented at:
The 5th International Symposium on SuperCritical Water-cooled Reactors
2011 March 13-16
Location:
Vancouver,Canada
Session Title:
Core Design

Authors:
Thomas Schulenberg (Karlsruhe Institute of Technology)
Csaba Maráczy (Hungarian Academy of Sciences )
Wolfgang Bernnat (University of Stuttgart)
Joerg Starflinger (University of Stuttgart)
  

Abstract

The core design concept of the High Performance Light Water Reactor features a thermal neutron spectrum, provided by additional moderator water in water boxes and in gaps between assembly boxes, and a heat-up of the coolant in three steps from 280°C to 500°C. Intermediate coolant mixing has been foreseen by mixing chambers underneath and above the core to overcome the hot channel issue of a core design with a large enthalpy rise. The paper summarizes the various analyses performed within the project HPLWR-Phase 2 with respect to this core design and assesses how far the initial design target has been met.

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