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Mesh Size Sensitivity of the Simple Cheap Vessel Benchmark Problem | SciTechnol

Journal of Nuclear Energy Science & Power Generation Technology.ISSN: 2325-9809

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Research Article, J Nucl Ene Sci Power Generat Technol Vol: 8 Issue: 1

Mesh Size Sensitivity of the Simple Cheap Vessel Benchmark Problem

Djillali Saad1* and Ahmed Hadjam2

1Department of Nuclear Materials and Mechanical Test, Nuclear Research Center of Birine, P.O. BOX 180, Ain-Oussera 17200, Algeria

2Thermal-Hydraulic Laboratory, Nuclear Research Center of Birine, P.O. BOX 180, Ain-Oussera 17200, Algeria

*Corresponding Author :Djillali Saad
Department of Nuclear Materials and Mechanical Test, Nuclear Research Center of Birine, P.O. BOX 180, Ain-Oussera 17200, Algeria
Tel: +2130550884021
E-mail: saad_crnb@hotmail.com or dsaad@usthb.dz

Received: December 11, 2018 Accepted: February 18, 2019 Published: February 22, 2019

Citation: Saad D, Hadjam A (2019) Mesh Size Sensitivity of the Simple Cheap Vessel Benchmark Problem. J Nucl Ene Sci Power Generat Technol 8:1.

Abstract

A mesh sensitization study was applied to the Simple Cheap Vessel Problem provided by Innovation Systems Software (ISS). The generations of the different meshes used in the present work are realized using the CoupleMeshing program, locally developed. This program allowed us to reduce the input of the COUPLE mesh part composed of several hundreds of lines (formatted or unformatted) in only five unformatted lines. A new RELAP5/SCDAP execution interface of the code that integrates the CoupleMeshing program has been proposed. A call is being made through this article to Mr. C. Allison to support this new interface. The results found clearly show the influence of the mesh size on the different parameters studied.
 

Keywords: RELAP5/SCDAP; Couple mesh; Mesh sensitivity; Lower head vessel; Relocated debris; Molten pool

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