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FP5

Design and development of a steam generator emergency feedwater passive system for existing and future PWRs using advanced Steam Injectors (DEEPSSI), Final Report

Project ID: FIKS-CT-2000-00113
Funded under: FP5-EAECTP C

Abstract

The DEEPSSI project is a research program dealing with steam injectors. Among thermalhydraulic passive systems, the steam injectors (also called "condensing ejectors" or "steam jet pumps") are very interesting apparatus with very specific thermal-hydraulic quantities (high velocity, very low pressure). The envisaged reactor application is the Steam Generator Emergency FeedWater System (EFWS) of Pressurized Water Reactors (PWRs). The heart of this project is the developme nt and the testing of an innovative steam injector design. Three experimental facilities are involved : CLAUDIA in France, IETI in Italy and IMP -PAN in Poland. In these facilities, different design options have been tested and some significant improvements of the initial design have been obtained.
In addition to the experimental studies, the development of a steam injector computational model has been undertaken in order to model industrial systems based on steam injectors. The one-dimensional module of the system code CATHARE2 has been chosen to be the basis of this model. The first results obtained have confirmed the capabilities of CATHARE2 to describe the steam injector thermal-hydraulics.

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Record Number: 6360 / Last updated on: 2004-10-21
Category: PROJ