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The one-dimensional separate two-phase flow model of APROS

Year of publication

2008

Authors

Hänninen, Markku; Ylijoki, Jukka

Abstract

The publication describes the one-dimensional two-fluid model of the computer program APROS used for the simulation of nuclear and conventional power plants. The work is based on the technical report from 1992. The treatment of the non-condensable gas mass equation has been added. The test results have been updated, so that the results correspond to the present APROS version 5.08. The derivation of the model from the governing partial differential equations is shown in detail and the solution procedure is described. Correlations for interfacial and wall friction and for heat transfer have been used to close the set of the linear equations. The friction and heat transfer packages of the model are documented. Finally, results of test cases calculated with the present model are briefly discussed.
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Organizations and authors

VTT Technical Research Centre of Finland Ltd

Ylijoki Jukka

Hänninen Markku

Publication type

Publication format

Monograph

Audience

Professional

MINEDU's publication type classification code

D4 Published development or research report or study

Publication channel information

Journal/Series

VTT Tiedotteita - Meddelanden - Research Notes

Publisher

VTT Technical Research Centre of Finland

Open access

Open access in the publisher’s service

Yes

Open access of publication channel

Partially open publication channel

License of the publisher’s version

Other license

Self-archived

No

Other information

Keywords

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Language

English

International co-publication

No

Co-publication with a company

No

The publication is included in the Ministry of Education and Culture’s Publication data collection

No