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Walter Ambrosini
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Proceedings Papers

Extending a Fluid-to-Fluid Similarity Rationale for Heat Transfer at Supercritical Pressure to R134a

Sara Kassem, Andrea Pucciarelli, Walter Ambrosini
Proc. ASME. ICONE28, Volume 3: Computational Fluid Dynamics (CFD); Verification and Validation; Advanced Methods of Manufacturing (AMM) for Nuclear Reactors and Components; Decontamination, Decommissioning, and Radioactive Waste Management; Beyond Design Basis and Nuclear Safety; Risk Informed Management and Regulation, V003T08A014, August 4–6, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ICONE28-64822
https://doi.org/10.1115/ICONE28-64822
View Paper titled, Extending a Fluid-to-Fluid Similarity Rationale for Heat Transfer at Supercritical Pressure to R134a
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Topics: Fluids, Heat transfer, Pressure
Journal Articles

Application of Fractional Scaling Analysis for Development and Design of Integral Effects Test Facility

Milorad B. Dzodzo, Francesco Oriolo, Walter Ambrosini, Marco Ricotti, Davor Grgic, Roberta Ferri, Andrea Achilli, Fosco Bianchi, Paride Meloni
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. October 2019, 5(4): 041208.
Paper No: NERS-18-1027
https://doi.org/10.1115/1.4042496
Published Online: September 3, 2019
View Article titled, Application of Fractional Scaling Analysis for Development and Design of Integral Effects Test Facility
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Topics: Containment vessels, Engineering prototypes, Pressure, Reactor vessels, Test facilities, Transients (Dynamics), Water, Design, Heat, Containment
Journal Articles

Summary on the Results of Two Computational Fluid Dynamic Benchmarks of Tube and Different Channel Geometries

Attila Kiss, Andrey Churkin, Darwan S. Pilkhwal, Abhijeet M. Vaidya, Walter Ambrosini, Andrea Pucciarelli, Krishna Podila, Yanfei Rao, Laurence Leung, Chen Yuzhou, Mark Anderson, Meng Zhao
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research-Article
ASME J of Nuclear Rad Sci. January 2018, 4(1): 011001.
Paper No: NERS-17-1047
https://doi.org/10.1115/1.4038162
Published Online: December 4, 2017
View Article titled, Summary on the Results of Two Computational Fluid Dynamic Benchmarks of Tube and Different Channel Geometries
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Topics: Computational fluid dynamics, Sensitivity analysis, Wall temperature, Heat transfer, Turbulence, Boundary-value problems
Proceedings Papers

Steady-State and Stability Analysis of Natural Circulation With Fluids at Supercritical Pressure

Francesco Carbone, Walter Ambrosini
Proc. ASME. ICONE24, Volume 3: Thermal-Hydraulics, V003T09A001, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60007
https://doi.org/10.1115/ICONE24-60007
View Paper titled, Steady-State and Stability Analysis of Natural Circulation With Fluids at Supercritical Pressure
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Topics: Fluids, Pressure, Stability, Steady state, Heat transfer, Transients (Dynamics), Carbon dioxide, Buoyancy, Diffusion (Physics), Errors
Proceedings Papers

Use of Algebraic Heat Flux Models to Improve Heat Transfer Predictions for Supercritical Pressure Fluids

Vera Papp, Andrea Pucciarelli, Medhat Sharabi, Walter Ambrosini
Proc. ASME. ICONE24, Volume 4: Computational Fluid Dynamics (CFD) and Coupled Codes; Decontamination and Decommissioning, Radiation Protection, Shielding, and Waste Management; Workforce Development, Nuclear Education and Public Acceptance; Mitigation Strategies for Beyond Design Basis Events; Risk Management, V004T10A012, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60298
https://doi.org/10.1115/ICONE24-60298
View Paper titled, Use of Algebraic Heat Flux Models to Improve Heat Transfer Predictions for Supercritical Pressure Fluids
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Topics: Algebra, Fluids, Heat flux, Heat transfer, Pressure, Temperature, Turbulence, Energy budget (Physics), Engineering simulation, Flow (Dynamics)
Proceedings Papers

New IAEA Coordinated Research Project on Thermal-Hydraulics of Supercritical Water Cooled Reactors

Katsumi Yamada, Laurence Leung, Walter Ambrosini
Proc. ASME. ICONE24, Volume 2: Smart Grids, Grid Stability, and Offsite and Emergency Power; Advanced and Next Generation Reactors, Fusion Technology; Safety, Security, and Cyber Security; Codes, Standards, Conformity Assessment, Licensing, and Regulatory Issues, V002T06A036, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ICONE24-60876
https://doi.org/10.1115/ICONE24-60876
View Paper titled, New IAEA Coordinated Research Project on Thermal-Hydraulics of Supercritical Water Cooled Reactors
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Topics: Thermal hydraulics, Water, Carbon reinforced plastics, Supercritical water reactors, Collaboration, Performance, Databases
Journal Articles

On Some Relevant Effects in the Simulation of Flow Stability With Fluids at Supercritical Pressure

Walter Ambrosini
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research Papers
ASME J of Nuclear Rad Sci. July 2016, 2(3): 031005.
Paper No: NERS-15-1174
https://doi.org/10.1115/1.4032595
Published Online: June 17, 2016
View Article titled, On Some Relevant Effects in the Simulation of Flow Stability With Fluids at Supercritical Pressure
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Topics: Computational fluid dynamics, Diffusion (Physics), Flow (Dynamics), Fluids, Heating, Pressure, Stability, Heat capacity, Errors
Journal Articles

Computational Fluid Dynamics Prediction of Heat Transfer in Rod Bundles With Water at Supercritical Pressure

Andrea Pucciarelli, Walter Ambrosini
Journal: Journal of Nuclear Engineering and Radiation Science
Publisher: ASME
Article Type: Research Papers
ASME J of Nuclear Rad Sci. January 2016, 2(1): 011011.
Paper No: NERS-15-1090
https://doi.org/10.1115/1.4031201
Published Online: December 9, 2015
View Article titled, Computational Fluid Dynamics Prediction of Heat Transfer in Rod Bundles With Water at Supercritical Pressure
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Topics: Boundary-value problems, Computational fluid dynamics, Geometry, Heat transfer, Pressure, Turbulence, Wall temperature, Water, Flow (Dynamics), Temperature
Proceedings Papers

Dimensionless Parameters in Stability Analysis of Heated Channels With Fluids at Supercritical Pressures

Walter Ambrosini, Medhat Sharabi
Proc. ASME. ICONE14, Volume 2: Thermal Hydraulics, 881-888, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89862
https://doi.org/10.1115/ICONE14-89862
View Paper titled, Dimensionless Parameters in Stability Analysis of Heated Channels With Fluids at Supercritical Pressures
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Topics: Fluids, Stability, Boiling, Density, Enthalpy, Pressure, Pressure drop, Subcooling, Supercritical fluids, Temperature
Proceedings Papers

Analysis of Basic Phenomena in Boiling Channel Instabilities With Different Flow Models and Numerical Schemes

Walter Ambrosini, Juan Carlos Ferreri
Proc. ASME. ICONE14, Volume 2: Thermal Hydraulics, 889-900, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89863
https://doi.org/10.1115/ICONE14-89863
View Paper titled, Analysis of Basic Phenomena in Boiling Channel Instabilities With Different Flow Models and Numerical Schemes
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Topics: Boiling, Flow (Dynamics), Stability, Boiling water reactors, Density, Equilibrium (Physics), Numerical analysis, Waves
Proceedings Papers

Validation of a CFD Condensation Model Based on Heat and Mass Transfer Analogy by TOSQAN Facility ISP47 Test

Matteo Bucci, Walter Ambrosini, Nicola Forgione, Francesco Oriolo, Sandro Paci
Proc. ASME. ICONE14, Volume 4: Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition, 479-486, July 17–20, 2006
Publisher: American Society of Mechanical Engineers
Paper No: ICONE14-89101
https://doi.org/10.1115/ICONE14-89101
View Paper titled, Validation of a CFD Condensation Model Based on Heat and Mass Transfer Analogy by TOSQAN Facility ISP47 Test
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Topics: Computational fluid dynamics, Condensation, Heat, Mass transfer, Vessels, Containment, Design, Engineering standards, Momentum, Nuclear reactors