ANTONIO CARLOS DE OLIVEIRA BARROSO
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Artigo IPEN-doc 25152 An R-package for water and steam properties for scientific and general use2018 - BAPTISTA FILHO, B.D.; CABRAL, E.L.L.; BARROSO, A.C.O.The International Association for the Properties of Water and Steam (IAPWS) develops formulations for the calculation of thermophysical properties of water as a function of different combinations of temperature, density, pressure, enthalpy, and entropy. These properties are useful for scientists and nuclear, chemical, and mechanical engineers who analyse experimental data or are involved with projects and equipment development, like heat exchangers, turbines, or nuclear power reactors. The IAPWS-95 formulation solves the fundamental equation of Helmholtz free energy as a function of temperature and density. This paper gives a description of how these equations are solved and exemplifies the use of a package developed for the free platform R. The IAPWS95 package was developed to help users to get access to the IAPWS-95 formulation in a free software environment which is growing exponentially. Transport properties were programmed using other IAPWS releases. The examples consider the uncertainty analysis of thermal parameters of a nuclear power reactor and the preparation of tables and graphs of water properties.Artigo IPEN-doc 12200 Development of methods in the design of a test section for iris pressurizer simulation2007 - BARROSO, ANTONIO C. de O.; SILVA, MARIO A.B. da; LIRA, CARLOS A.B. de O.Artigo IPEN-doc 10702 Simulacao de estados estacionarios de um PWR integral e de transientes para mudanca de potencia entre esses estados usando o RELAP5MOD32005 - ARONNE, I.D.; PALMIERI, E.T.; BAPTISTA FILHO, B.D.; BARROSO, A.C.O.; AZEVEDO, C.V.G.Artigo IPEN-doc 12180 Simulation of iris transients with RELAP52007 - BAPTISTA FILHO, BENEDITO D.; BARROSO, ANTONIO C. de O.; ARONNE, IVAN D.; PALMIERI, ELCIO T.; AZEVEDO, CARLOS V.G. deArtigo IPEN-doc 10746 Simulation of IRIS pressurizer out-surge transient using two and three volumes simulation models2005 - BOTELHO, D.A.; SAMPAIO, P.A.B.; MOREIRA, M.L.; BARROSO, A.C.O.Artigo IPEN-doc 19474 An experimental low-pressure facility to study boron transients in the pressurizer of an integral modular nuclear reactor2013 - NASCIMENTO, SAMIRA R.V.; LIRA, CARLOS A.B.O.; LAPA, CELSO M.F.; BEZERRA, JAIR L.; SILVA, MARIO A.B.; LIMA, FERNANDO R.A.; BARROSO, ANTONIO C.O.; LOURDES, MARIA deArtigo IPEN-doc 15294 Determination of a test section parameters for Iris nuclear reactor pressurizer2009 - SILVA, MARIO A.B. da; LIRA, CARLOS A.B. de O.; BARROSO, ANTONIO C. de O.Artigo IPEN-doc 09275 CNEN in the IRIS Project2002 - BARROSO, A.C.O.; BAPTISTA FILHO, B.D.; PALMIERI, E.T.; SABUNDJIAN, G.; ANDRADE, D.A.; MACEDO, L.A.Artigo IPEN-doc 09837 Refining the design and analysis of the iris pressurizer2004 - BARROSO, A.C.O.; BAPTISTA FILHO, B.D.Artigo IPEN-doc 09838 Social economic and environmental assessment of energy and water desalination options for the brazilian polygon of drought with iris reactor2004 - BAPTISTA FILHO, B.D.; CEGALLA, M.; RADUAN, R.N.; BARROSO, A.C.O.; MOLNARY, L.; LIMA, F.R.A.; LIRA, C.A.B.O.; LIMA, R.C.F.