Options and Challenges of Steam Cycle Components for SCWR
NURETH-14 - 2011 September 25-30


Presented at:
NURETH-14
2011 September 25-30
Location:
Toronto, Canada
Session Title:
G8-1 Supercritical Water Reactors

Authors:
Thomas Schulenberg (Karlsruhe Institute for Technology)
Marc Schlagenhaufer (TÜV SÜD)
Heiko Herbell (EnBW Kernkraft GmbH)
  

Abstract

The steam cycle of supercritical water cooled reactors (SCWR) is intended to be based on the

experience with supercritical fossil fired power plants and on boiling water reactors. Different

steam cycle concepts have been proposed up to now for the SCWR, and its key components are

discussed in more detail here. These are the turbine design, the reheater or steam separator

design, the design and operation of the start-up system, the feedwater line with 7 preheater

stages, the feedwater tank and the high pressure feedwater pumps. The paper highlights the

design features, discusses the thermal-hydraulic and technical challenges and summarizes recent

achievements.

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