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Journal Articles

Evaluation of Mechanical and Thermomechanical Water Vapor Compression Techniques for Enabling High Temperature Lift Hydration-Based Chemical Heat Pumps

Accepted Manuscript
Paul D. Armatis, Piyush Sabharwall, Brian M. Fronk
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol.
Paper No: JERT-24-1364
https://doi.org/10.1115/1.4066318
Published Online: August 22, 2024
View Article titled, Evaluation of Mechanical and Thermomechanical Water Vapor Compression Techniques for Enabling High Temperature Lift Hydration-Based Chemical Heat Pumps
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Topics: Compression, Heat pumps, High temperature, Thermomechanics, Water vapor, Temperature, Pressure, Steam, Compressors, Heat exchangers
Journal Articles

Digital Twin to Detect Nuclear Proliferation: A Case Study

Christopher Ritter, Ross Hays, Jeren Browning, Ryan Stewart, Samuel Bays, Gustavo Reyes, Mark Schanfein, Adam Pluth, Piyush Sabharwall, Ross Kunz, Ashley Shields, John Koudelka, Porter Zohner
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. October 2022, 144(10): 102108.
Paper No: JERT-21-1675
https://doi.org/10.1115/1.4053979
Published Online: March 22, 2022
View Article titled, Digital Twin to Detect Nuclear Proliferation: A Case Study
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Topics: Digital twin, Visualization, Machine learning, Manufacturing, Design
Proceedings Papers

Deposition Velocity and Penetration Efficiency in a Square Channel Using a Lagrangian-Based Modeling Approach

Byung-Hee Choi, Daniel Orea, Thien Nguyen, N. K. Anand, Yassin Hassan, Piyush Sabharwall
Proc. ASME. ICONE2020, Volume 1: Beyond Design Basis; Codes and Standards; Computational Fluid Dynamics (CFD); Decontamination and Decommissioning; Nuclear Fuel and Engineering; Nuclear Plant Engineering, V001T03A026, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16907
https://doi.org/10.1115/ICONE2020-16907
View Paper titled, Deposition Velocity and Penetration Efficiency in a Square Channel Using a Lagrangian-Based Modeling Approach
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Topics: Computational fluid dynamics, Computer simulation, Dimensions, Drag (Fluid dynamics), Ducts, Fast neutron reactors, Flow (Dynamics), Modeling, Particulate matter, Reynolds number
Journal Articles

Improvement of the RELAP5-3D Condensation Heat Transfer Model in the Presence of Noncondensable Gases

Nolan Anderson, Piyush Sabharwall
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. August 2020, 142(8): 084501.
Paper No: HT-17-1636
https://doi.org/10.1115/1.4047048
Published Online: June 10, 2020
View Article titled, Improvement of the RELAP5-3D Condensation Heat Transfer Model in the Presence of Noncondensable Gases
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Topics: Condensation, Gases, Heat, Heat flux, Heat transfer, Pressure, Vapors, Steam, Accidents
Proceedings Papers

Numerical Study of Particle Transport and Deposition in a Horizontal Channel Using a Lagrangian-Based Modelling Approach

Byung-Hee Choi, Daniel Orea, Thien Nguyen, N. K. Anand, Yassin Hassan, Piyush Sabharwall
Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A084, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-11800
https://doi.org/10.1115/IMECE2019-11800
View Paper titled, Numerical Study of Particle Transport and Deposition in a Horizontal Channel Using a Lagrangian-Based Modelling Approach
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Topics: Flow (Dynamics), Modeling, Particulate matter, Turbulence, Simulation, Computational fluid dynamics, Uncertainty, Accidents, Boundary-value problems, Computer simulation
Proceedings Papers

Experimental Study of Surrogate Particle Transport and Deposition in a Square Channel Using Particle Tracking Technique

Daniel Orea, Thien Nguyen, Rodolfo Vaghetto, N. K. Anand, Yassin A. Hassan, Piyush Sabharwall
Proc. ASME. IMECE2019, Volume 6: Energy, V006T06A085, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-11811
https://doi.org/10.1115/IMECE2019-11811
View Paper titled, Experimental Study of Surrogate Particle Transport and Deposition in a Square Channel Using Particle Tracking Technique
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Topics: Particulate matter
Journal Articles

Study on Effects of Heat Loss and Channel Deformation on Thermal-Hydraulic Performance of Semicircular Straight Channel Printed Circuit Heat Exchangers

Su-Jong Yoon, James O'Brien, Piyush Sabharwall, Kevin Wegman, Xiaodong Sun
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. August 2018, 10(4): 041013.
Paper No: TSEA-17-1216
https://doi.org/10.1115/1.4039543
Published Online: May 7, 2018
View Article titled, Study on Effects of Heat Loss and Channel Deformation on Thermal-Hydraulic Performance of Semicircular Straight Channel Printed Circuit Heat Exchangers
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Topics: Circuits, Computational fluid dynamics, Heat exchangers, Heat losses, Fluids, Flow (Dynamics), Pressure, Deformation, Temperature
Proceedings Papers

Exergy Analysis for Small Modular Reactor Hybrid Energy System

Lauren Boldon, Piyush Sabharwall, Li (Emily) Liu
Proc. ASME. NUCLRF2015, ASME 2015 Nuclear Forum, V001T01A002, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: NUCLRF2015-49083
https://doi.org/10.1115/NUCLRF2015-49083
View Paper titled, Exergy Analysis for Small Modular Reactor Hybrid Energy System
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Topics: Exergy analysis, Small modular reactors, Thermoeconomics, Energy / power systems, Exergy, System efficiency, Carbon, Complex systems, Economics , Heat
Proceedings Papers

Scale Analysis and Experimental Results of a Solid/Liquid Phase-Change Thermal Energy Storage System

Ali Siahpush, James O’Brien, John Crepeau, Piyush Sabharwall
Proc. ASME. IMECE2014, Volume 8B: Heat Transfer and Thermal Engineering, V08BT10A069, November 14–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2014-39786
https://doi.org/10.1115/IMECE2014-39786
View Paper titled, Scale Analysis and Experimental Results of a Solid/Liquid Phase-Change Thermal Energy Storage System
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Topics: Thermal energy storage, Heat transfer, Melting, Temperature, Temperature distribution, Cylinders, Heat, Heat conduction, Metal foams, Natural convection
Proceedings Papers

Development of a Multi-Loop Flow and Heat Transfer Facility for Advanced Nuclear Reactor Thermal Hydraulic and Hybrid Energy System Studies

James E. O’Brien, Piyush Sabharwall, SuJong Yoon
Proc. ASME. IMECE2014, Volume 8A: Heat Transfer and Thermal Engineering, V08AT10A090, November 14–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2014-39057
https://doi.org/10.1115/IMECE2014-39057
View Paper titled, Development of a Multi-Loop Flow and Heat Transfer Facility for Advanced Nuclear Reactor Thermal Hydraulic and Hybrid Energy System Studies
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Topics: Flow (Dynamics), Heat transfer, Nuclear reactors, High temperature, Design, Fluids, Heat, Heat exchangers, Helium, Circuits
Proceedings Papers

Design of Fluidic Diode for a High-Temperature DRACS Test Facility

Qiuping Lv, Minghui Chen, Xiaodong Sun, Richard Christensen, Thomas Blue, Graydon Yoder, Dane Wilson, Piyush Sabharwall
Proc. ASME. ICONE21, Volume 4: Thermal Hydraulics, V004T09A123, July 29–August 2, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ICONE21-16902
https://doi.org/10.1115/ICONE21-16902
View Paper titled, Design of Fluidic Diode for a High-Temperature DRACS Test Facility
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Topics: Design, High temperature, Test facilities, Flow (Dynamics), Vortices, Nozzles, Accidents, Buoyancy, Computational fluid dynamics, Convection
Proceedings Papers

Technologies for Upgrading Light Water Reactor Outlet Temperature

Daniel S. Wendt, Piyush Sabharwall, Vivek Utgikar
Proc. ASME. HT2013, Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Theory and Fundamental Research in Heat Transfer, V001T01A013, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17122
https://doi.org/10.1115/HT2013-17122
View Paper titled, Technologies for Upgrading Light Water Reactor Outlet Temperature
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Topics: Light water reactors, Temperature, Heat, Chemical processes, Energy / power systems, Thermal energy, Biomass, Carbon, Coal, Electricity (Physics)
Proceedings Papers

Tritium Production and Permeation in High-Temperature Reactor Systems

Piyush Sabharwall, Hans Schmutz, Carl Stoots, George Griffith
Proc. ASME. HT2013, Volume 4: Heat and Mass Transfer Under Extreme Conditions; Environmental Heat Transfer; Computational Heat Transfer; Visualization of Heat Transfer; Heat Transfer Education and Future Directions in Heat Transfer; Nuclear Energy, V004T19A001, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17036
https://doi.org/10.1115/HT2013-17036
View Paper titled, Tritium Production and Permeation in High-Temperature Reactor Systems
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Topics: High temperature, Nuclear reactors, Nuclear fission, Radioisotopes, Hydrogen, Light water reactors, Temperature, Absorption, Alloys, Contamination
Proceedings Papers

ASME Material Challenges for Advance Reactor Concepts

Ali Siahpush, Piyush Sabharwall
Proc. ASME. HT2013, Volume 4: Heat and Mass Transfer Under Extreme Conditions; Environmental Heat Transfer; Computational Heat Transfer; Visualization of Heat Transfer; Heat Transfer Education and Future Directions in Heat Transfer; Nuclear Energy, V004T19A002, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17039
https://doi.org/10.1115/HT2013-17039
View Paper titled, ASME Material Challenges for Advance Reactor Concepts
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Topics: Acceptance criteria, Boilers, Corrosion, Creep, Cycles, Design, Energy generation, Energy transformation, Heat, Heat exchangers
Proceedings Papers

Scale/Analytical Analyses of Freezing and Convective Melting With Internal Heat Generation

Ali Siahpush, John Crepeau, Piyush Sabharwall
Proc. ASME. HT2013, Volume 2: Heat Transfer Enhancement for Practical Applications; Heat and Mass Transfer in Fire and Combustion; Heat Transfer in Multiphase Systems; Heat and Mass Transfer in Biotechnology, V002T07A034, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17041
https://doi.org/10.1115/HT2013-17041
View Paper titled, Scale/Analytical Analyses of Freezing and Convective Melting With Internal Heat Generation
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Topics: Freezing, Heat, Melting, Temperature, Geometry, Heat conduction, Boundary-value problems, Convection, Heat flux, Natural convection
Proceedings Papers

Preliminary Design for Conventional and Compact Secondary Heat Exchanger in a Molten Salt Reactor

Piyush Sabharwall, Eung Soo Kim, Ali S. Siahpush, Mike Patterson
Proc. ASME. HT2012, Volume 1: Heat Transfer in Energy Systems; Theory and Fundamental Research; Aerospace Heat Transfer; Gas Turbine Heat Transfer; Transport Phenomena in Materials Processing and Manufacturing; Heat and Mass Transfer in Biotechnology; Environmental Heat Transfer; Visualization of Heat Transfer; Education and Future Directions in Heat Transfer, 1-12, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: HT2012-58007
https://doi.org/10.1115/HT2012-58007
View Paper titled, Preliminary Design for Conventional and Compact Secondary Heat Exchanger in a Molten Salt Reactor
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Topics: Circuits, Coolants, Cycles, Design, Energy generation, Heat, Heat capacity, Heat exchangers, Heat transfer, Molten salt reactors
Journal Articles

Diffusion-Welded Microchannel Heat Exchanger for Industrial Processes

Piyush Sabharwall, Denis E. Clark, Ronald E. Mizia, Michael V. Glazoff, Michael G. McKellar
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. March 2013, 5(1): 011009.
Paper No: TSEA-12-1063
https://doi.org/10.1115/1.4007578
Published Online: March 18, 2013
View Article titled, Diffusion-Welded Microchannel Heat Exchanger for Industrial Processes
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Topics: Alloys, Design, Diffusion (Physics), Diffusion bonding (Metals), Heat exchangers, Microchannels
Proceedings Papers

Computational Intelligence as a Tool for Small Modular Reactors

Milos Manic, Piyush Sabharwall
Proc. ASME. SMR2011, ASME 2011 Small Modular Reactors Symposium, 299-310, September 28–30, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SMR2011-6544
https://doi.org/10.1115/SMR2011-6544
View Paper titled, Computational Intelligence as a Tool for Small Modular Reactors
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Topics: Small modular reactors, Artificial neural networks, Pressure sensors, Accidents, Coolants, Design, Fuzzy logic, Genetic algorithms, Nuclear engineering, Nuclear power stations
Proceedings Papers

Small Modular Molten Salt Reactor (SM-MSR)

Piyush Sabharwall, Eung Soo Kim, Michael Mckellar, Mike Patterson
Proc. ASME. SMR2011, ASME 2011 Small Modular Reactors Symposium, 31-39, September 28–30, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SMR2011-6527
https://doi.org/10.1115/SMR2011-6527
View Paper titled, Small Modular Molten Salt Reactor (SM-MSR)
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Topics: Molten salt reactors, Light water reactors, Cycles, Heat, Nuclear power, Temperature, Thermal energy
Proceedings Papers

NGNP Process Heat Utilization: Liquid Metal Phase Change Heat Exchanger

Piyush Sabharwall, Mike Patterson, Vivek Utgikar, Fred Gunnerson
Proc. ASME. HTR2008, Fourth International Topical Meeting on High Temperature Reactor Technology, Volume 1, 725-732, September 28–October 1, 2008
Publisher: American Society of Mechanical Engineers
Paper No: HTR2008-58197
https://doi.org/10.1115/HTR2008-58197
View Paper titled, NGNP Process Heat Utilization: Liquid Metal Phase Change Heat Exchanger
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Topics: Heat, Heat exchangers, Liquid metals