GABRIEL ANGELO
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Artigo IPEN-doc 18200 Flow regime identification in natural circulation phenomenon using RELAP5 code2012 - SABUNDJIAN, GAIANE; BELCHIOR JUNIOR, ANTONIO; MESQUITA, ROBERTO N.; MASOTTI, PAULO H.F.; ANDRADE, DELVONEI A.; TORRES, WALMIR M.; UMBEHAUN, PEDRO E.; CONTI, THADEU das N.; ANGELO, GABRIELArtigo IPEN-doc 17037 Frequency analysis for the thermal hydraulic characterization of a natural circulation circuit2011 - TORRES, WALMIR M.; MACEDO, LUIZ A.; SABUNDJIAN, GAIANE; ANDRADE, DELVONEI A.; UMBEHAUN, PEDRO E.; CONTI, THADEU N.; MESQUITA, ROBERTO N.; MASOTTI, PAULO H.; ANGELO, GABRIELArtigo IPEN-doc 16918 A RELAP5 study to identify flow regime in natural circulation phenomenon2011 - SABUNDJIAN, GAIANE; TORRES, WALMIR M.; MACEDO, LUIZ A.; MESQUITA, ROBERTO N.; ANDRADE, DELVONEI A.; UMBEHAUN, PEDRO E.; CONTI, THADEU N.; MASOTTI, PAULO H.F.; BELCHIOR JUNIOR, ANTONIO; ANGELO, GABRIELArtigo IPEN-doc 16868 Development of a labview web-based simulator for RELAP52011 - MACEDO, LUIZ A.; TORRES, WALMIR M.; SABUNDJIAN, GAIANE; ANDRADE, DELVONEI A.; BELCHIOR JUNIOR, ANTONIO; UMBEHAUN, PEDRO E.; CONTI, THADEU N.; MESQUITA, ROBERTO N. de; MASOTTI, PAULO H.F.; ANGELO, GABRIELArtigo IPEN-doc 17556 Comparison between experimental data and numerical modeling for the natural circulation phenomenon2011 - SABUNDJIAN, GAIANE; ANDRADE, DELVONEI A. de; UMBEHAUN, PEDRO E.; TORRES, WALMIR M.; MACEDO, LUIZ A.; CONTI, THADEU N.; MESQUITA, ROBERTO N. de; ANGELO, GABRIELArtigo IPEN-doc 18093 A numerical and three-dimensional analysis of steady state rectangular natural circulation loop2012 - ANGELO, G.; ANDRADE, D.A.; ANGELO, E.; TORRES, W.M.; SABUNDJIAN, G.; MACEDO, L.A.; SILVA, A.F.Free convection circuits or natural circulation systems are employed in several engineering fields. In nuclear reactors, natural circulation can be used as a passive safety system or as a main heat transfer mechanism. This work presents the results of a three-dimensional numerical analysis of a steady state rectangular natural circulation loop located at the Instituto de Pesquisas Energéticas e Nucleares/Comissão Nacional de Energia Nuclear (IPEN/CNEN-SP). Numerical results and experimental data present in this paper are discussed and compared. The model is good enough to capture 3-D effects, such as the formation of vortex structures and swirl effects.