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Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A003, September 21–25, 2020

Paper No: GT2020-14335

DOI: https://doi.org/10.1115/GT2020-14335

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Topics: Density, Supercritical carbon dioxide, Thermodynamic power cycles

Proceedings Papers

A High-Fidelity Modeling Tool to Support the Design of Oxy-Combustors for Direct-Fired sCO 2 Cycles

Andrea C. Zambon, Ashvin Hosangadi, Tim Weathers, Mark Winquist, Jeff Mays, Shinjiro Miyata, Ganesan Subbaraman

Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T31A004, September 21–25, 2020

Paper No: GT2020-14406

DOI: https://doi.org/10.1115/GT2020-14406

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Topics: Chemistry, Combustion chambers, Computational fluid dynamics, Cycles, Design, Fluids, Modeling, Nitrogen oxides, Supercritical carbon dioxide, Ejectors

Journal Articles

A High-Fidelity Modeling Tool to Support the Design of Oxy-Combustors for Direct-Fired Supercritical CO 2 Cycles

Andrea C. Zambon, Ashvin Hosangadi, Tim Weathers, Mark Winquist, Jeff Mays, Shinjiro Miyata, Ganesan Subbaraman

J. Eng. Gas Turbines Power. January 2021, 143(1): 011016.

Paper No: GTP-20-1538

DOI: https://doi.org/10.1115/1.4049350

Published Online: January 4, 2021

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Topics: Carbon dioxide, Chemistry, Combustion chambers, Computational fluid dynamics, Design, Diluents, Flames, Fuels, Modeling, Nitrogen oxides

Journal Articles

Probing the Effects of NO x and SO x Impurities on Oxy-Fuel Combustion in Supercritical CO 2 : Shock Tube Experiments and Chemical Kinetic Modeling

Ramees K. Rahman, Samuel Barak, K.R.V. (Raghu) Manikantachari, Erik Ninnemann, Ashvin Hosangadi, Andrea Zambon, Subith S. Vasu

J. Energy Resour. Technol. December 2020, 142(12): 122302.

Paper No: JERT-20-1282

DOI: https://doi.org/10.1115/1.4047314

Published Online: June 12, 2020

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Topics: Chemistry, Combustion, High pressure (Physics), Ignition delay, Methane, Nitrogen oxides, Oxidation, Shock tubes, Supercritical carbon dioxide, Modeling

Journal Articles

Measurements of Density and Sound Speed in Mixtures Relevant to Supercritical CO 2 Cycles

Suhyeon Park, Justin Urso, K.R.V. (Raghu) Manikantachari, Ashvin Hosangadi, Andrea Zambon, Subith S. Vasu

J. Energy Resour. Technol. October 2020, 142(10): 102105.

Paper No: JERT-20-1264

DOI: https://doi.org/10.1115/1.4047081

Published Online: May 26, 2020

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Topics: Carbon dioxide, Density, Supercritical carbon dioxide, Temperature, Pressure, Cycles, Combustion, Methane

Proceedings Papers

Effect of Diffuser Vane Solidity on Performance of a Multistage Bowl Pump

Paul Cooper, Ashvin Hosangadi

Proc. ASME. AJKFluids2019, Volume 3B: Fluid Applications and Systems, V03BT03A048, July 28–August 1, 2019

Paper No: AJKFluids2019-5633

DOI: https://doi.org/10.1115/AJKFluids2019-5633

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Topics: Diffusers, Flow (Dynamics), Pumps

Proceedings Papers

Numerical Simulation of Non-Equilibrium Condensation in Supercritical CO 2 Compressors

Kevin W. Brinckman, Ashvin Hosangadi, Zisen Liu, Timothy Weathers

Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A010, June 17–21, 2019

Paper No: GT2019-90497

DOI: https://doi.org/10.1115/GT2019-90497

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Topics: Compressors, Computer simulation, Condensation, Equilibrium (Physics), Supercritical carbon dioxide, Drops, Nucleation (Physics), Fluids, Carbon dioxide, Computational fluid dynamics

Journal Articles

Modeling Multiphase Effects in CO 2 Compressors at Subcritical Inlet Conditions

Ashvin Hosangadi, Zisen Liu, Timothy Weathers, Vineet Ahuja, Judy Busby

J. Eng. Gas Turbines Power. August 2019, 141(8): 081005.

Paper No: GTP-18-1545

DOI: https://doi.org/10.1115/1.4042975

Published Online: March 18, 2019

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Topics: Carbon dioxide, Compressors, Computational fluid dynamics, Condensation, Flow (Dynamics), Fluids, Impellers, Pressure, Temperature, Vapors

Proceedings Papers

CFD-Aided Hydraulic Development of a Steam Generator Feed Pump

Paul Cooper, Bruno Schiavello, Ashvin Hosangadi, James T. McGuire

Proc. ASME. AJKFluids2015, Volume 1: Symposia, V001T33A010, July 26–31, 2015

Paper No: AJKFluids2015-33419

DOI: https://doi.org/10.1115/AJKFluids2015-33419

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Topics: Boilers, Computational fluid dynamics, Pumps, Flow (Dynamics), Diffusers, Design, Impellers, Pressure, Rotors, Emergencies

Journal Articles

Shape Optimization of a Multi-Element Foil Using an Evolutionary Algorithm

Yu-Tai Lee, Vineet Ahuja, Ashvin Hosangadi, Michael Ebert

J. Fluids Eng. May 2010, 132(5): 051401.

DOI: https://doi.org/10.1115/1.4001343

Published Online: April 28, 2010

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Topics: Computational fluid dynamics, Design, Flow (Dynamics), Optimization, Shapes, Torque, Turbulence, Drag (Fluid dynamics), Simulation, Evolutionary algorithms

Proceedings Papers

Simulations of Cavitation in Orifice and Venturis

Vineet Ahuja, Ashvin Hosangadi

Proc. ASME. PVP2007, Volume 4: Fluid-Structure Interaction, 163-171, July 22–26, 2007

Paper No: PVP2007-26639

DOI: https://doi.org/10.1115/PVP2007-26639

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Topics: Cavitation, Engineering simulation, Simulation, Flow (Dynamics), Flow instability, Temperature effects, Venturi tubes, Blades, Cavities, Ducts

Proceedings Papers

Simulations of Valve Operation in High Pressure Facilities

Vineet Ahuja, Ashvin Hosangadi, Peter Cavallo, Jeremy Shipman

Proc. ASME. PVP2007, Volume 4: Fluid-Structure Interaction, 591-602, July 22–26, 2007

Paper No: PVP2007-26629

DOI: https://doi.org/10.1115/PVP2007-26629

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Topics: Engineering simulation, High pressure (Physics), Simulation, Valves, Fluids, Test facilities, Accounting, Acoustics, Cavitation, Computational fluid dynamics

Proceedings Papers

Investigation of an Air Supply Centrifugal Fan for Air Cushion Vehicle: Impeller Design and Validation

Yu-Tai Lee, Vineet Ahuja, Ashvin Hosangadi, Michael E. Slipper, Lawrence P. Mulvihill, Roger Birkbeck, Roderick M. Coleman

Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 2273-2285, June 9–13, 2008

Paper No: GT2008-50376

DOI: https://doi.org/10.1115/GT2008-50376

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Topics: Design, Impellers, Vehicles, Computational fluid dynamics, Fans, Design methodology, Flow (Dynamics), Blades, Computational methods, Flow separation

Proceedings Papers

Shape Optimization of a Multi-Element Airfoil Using CFD

Yu-Tai Lee, Vineet Ahuja, Ashvin Hosangadi, Michael Ebert

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1823-1833, July 30–August 2, 2007

Paper No: FEDSM2007-37141

DOI: https://doi.org/10.1115/FEDSM2007-37141

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Topics: Airfoils, Computational fluid dynamics, Shape optimization, Optimization, Shapes, Reynolds-averaged Navier–Stokes equations, Design, Flow (Dynamics), Hydrofoil, Actuators

Proceedings Papers

Generalized Numerical Framework for Cavitation in Inducers

Ashvin Hosangadi, Vineet Ahuja, Ronald J. Ungewitter

Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 1239-1249, July 6–10, 2003

Paper No: FEDSM2003-45408

DOI: https://doi.org/10.1115/FEDSM2003-45408

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Topics: Cavitation, Engineering simulation, Simulation, Pumps, Flow (Dynamics), Acoustics, Cavities, Geometry, NASA, Nitrogen

Proceedings Papers

Computational Analyses of Instabilities and Transients in Valve and Piping Systems

Vineet Ahuja, Ashvin Hosangadi

Proc. ASME. PVP2006-ICPVT-11, Volume 2: Computer Technology, 41-48, July 23–27, 2006

Paper No: PVP2006-ICPVT-11-93453

DOI: https://doi.org/10.1115/PVP2006-ICPVT-11-93453

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Topics: Piping systems, Transients (Dynamics), Valves, Cavitation, Engineering simulation, Flow (Dynamics), Pressure, Simulation, Engines, Failure

Journal citation

NARROW

Development of a Laser Igniter for Direct Fired sCO2 Combustor

Numerical Predictions of Mean Performance and Dynamic Behavior of a 10 MWe sCO2 Compressor with Test Data Validation

Numerical Predictions of Mean Performance and Dynamic Behavior of a 10 MWe SCO 2 Compressor With Test Data Validation

Capturing the Effects of NO x and SO x Impurities on Oxy-Combustion Under Supercritical CO 2 Conditions for Coal-Derived Syngas and Natural Gas Mixtures

Measurements of Density and Sound Speed in Mixtures Relevant to sCO 2 Power Cycles

A High-Fidelity Modeling Tool to Support the Design of Oxy-Combustors for Direct-Fired sCO 2 Cycles

A High-Fidelity Modeling Tool to Support the Design of Oxy-Combustors for Direct-Fired Supercritical CO 2 Cycles

Probing the Effects of NO x and SO x Impurities on Oxy-Fuel Combustion in Supercritical CO 2 : Shock Tube Experiments and Chemical Kinetic Modeling

Measurements of Density and Sound Speed in Mixtures Relevant to Supercritical CO 2 Cycles

Effect of Diffuser Vane Solidity on Performance of a Multistage Bowl Pump

Numerical Simulation of Non-Equilibrium Condensation in Supercritical CO 2 Compressors

Modeling Multiphase Effects in CO 2 Compressors at Subcritical Inlet Conditions

CFD-Aided Hydraulic Development of a Steam Generator Feed Pump

Shape Optimization of a Multi-Element Foil Using an Evolutionary Algorithm

Simulations of Cavitation in Orifice and Venturis

Simulations of Valve Operation in High Pressure Facilities

Investigation of an Air Supply Centrifugal Fan for Air Cushion Vehicle: Impeller Design and Validation

Shape Optimization of a Multi-Element Airfoil Using CFD

Generalized Numerical Framework for Cavitation in Inducers

Computational Analyses of Instabilities and Transients in Valve and Piping Systems

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