VALIDATION OF THE MOODY AND HENRY-FAUSKE CRITICAL FLOW MODELS IN APROS AGAINST MARVIKEN CRITICAL FLOW EXPERIMENTS

Milan Tesinsky

doi:10.1299/jsmeicone.2019.27.1007

The Proceedings of the International Conference on Nuclear Engineering (ICONE)

Online ISSN : 2424-2934

2019.27

Session ID : 1007

DOI https://doi.org/10.1299/jsmeicone.2019.27.1007

Conference information

Host: The Japan Society of Mechanical Engineers

Name : The 27th International Conference on Nuclear Engineering (ICONE27)

Date : May 19, 2019 - May 24, 2019

VALIDATION OF THE MOODY AND HENRY-FAUSKE CRITICAL FLOW MODELS IN APROS AGAINST MARVIKEN CRITICAL FLOW EXPERIMENTS

*Milan Tesinsky

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Keywords: APROS, Marviken, critical flow, Moody critical flow model, Henry-Fauske critical flow model, Marviken Critical Flow Tests (Marviken CFT)

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Abstract

The Moody and Henry-Fauske critical flow models implemented in APROS have been validated against Marviken critical flow experiments and compared with other available simulations of the same experiments. Both models in combination with discharge coefficient 0.75 (suggested for best estimate calculations) produce results close to the experimental data for twophase flows, while one-phase flow of subcooled water is underpredicted. Using discharge coefficient 1.0 for subcooled water leads to a good match with the experimental results, while twophase flows become overpredicted.

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