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Proceedings Papers

Numerical Analysis of a Shrouded Centrifugal Compressor for Use in Supercritical Carbon Dioxide (s-CO2) Brayton Cycle

Arockia Fenil, Lakshminarayanan Seshadri, Pramod Kumar, Abdul Nassar, Gaurav Giri
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A032, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103420
https://doi.org/10.1115/GT2023-103420
View Paper titled, Numerical Analysis of a Shrouded Centrifugal Compressor for Use in Supercritical Carbon Dioxide (s-CO2) Brayton Cycle
Open the PDF for Numerical Analysis of a Shrouded Centrifugal Compressor for Use in Supercritical Carbon Dioxide (s-CO2) Brayton Cycle in another window
Topics: Brayton cycle, Compressors, Computational fluid dynamics, Design, Numerical analysis, Supercritical carbon dioxide
Journal Articles

Analysis of Turbomachinery Losses in sCO 2 Brayton Power Blocks

Lakshminarayanan Seshadri, Pramod Kumar, Abdul Nassar, Gaurav Giri
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. November 2022, 144(11): 112101.
Paper No: JERT-21-2020
https://doi.org/10.1115/1.4054133
Published Online: April 11, 2022
View Article titled, Analysis of Turbomachinery Losses in sCO 2 Brayton Power Blocks
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Topics: Cycles, Turbomachinery, Pressure, Compressors, Turbines
Includes: Supplementary data
Proceedings Papers

Preliminary Aerodynamic Design of a S-CO2 Axial Turbine

R. Senthil Kumaran, Dilipkumar B. Alone, Abdul Nassar, Pramod Kumar
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T12A009, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-76454
https://doi.org/10.1115/GTINDIA2021-76454
View Paper titled, Preliminary Aerodynamic Design of a S-CO2 Axial Turbine
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Topics: Brayton cycle, Carbon, Design, Flow (Dynamics), Supercritical carbon dioxide, Turbines
Proceedings Papers

Supercritical Carbon Dioxide Turbomachinery Options for Kilowatt to Gigawatt Level Power Generation

Lakshminarayanan Seshadri, Harini Nivetha Raja, Pramod Kumar, Abdul Nassar, Gaurav Giri, Leonid Moroz
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T08A007, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2472
https://doi.org/10.1115/GTINDIA2019-2472
View Paper titled, Supercritical Carbon Dioxide Turbomachinery Options for Kilowatt to Gigawatt Level Power Generation
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Topics: Compressors, Design, Energy generation, Supercritical carbon dioxide, Turbines, Turbomachinery
Proceedings Papers

An Integral Approach to Designing of an Optimized and Reliable Anti-Icing System Under Off-Design Operating Regimes in a Gas Turbine

Nishit Mehta, Olga Altukhova, Abdul Nassar, Leonid Moroz
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T09A010, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2695
https://doi.org/10.1115/GTINDIA2019-2695
View Paper titled, An Integral Approach to Designing of an Optimized and Reliable Anti-Icing System Under Off-Design Operating Regimes in a Gas Turbine
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Topics: Design, Flow (Dynamics), Gas turbines
Proceedings Papers

Parametric Study on Ported Shroud Locations and Geometries for a Turbocharger Compressor

Suheab Thamizullah, Abdul Nassar, Antonio Davis, Gaurav Giri, Leonid Moroz
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T26A017, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91245
https://doi.org/10.1115/GT2019-91245
View Paper titled, Parametric Study on Ported Shroud Locations and Geometries for a Turbocharger Compressor
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Topics: Compressors, Turbochargers, Design, Surges, Blades, Delays, Automotive engines, Cavities, Computational fluid dynamics, Computer software
Proceedings Papers

Design of 20 kW Turbomachinery for Closed Loop Supercritical Carbon Dioxide Brayton Test Loop Facility

Lakshminarayanan Seshadri, Sharath Sathish, Pramod Kumar, Gaurav Giri, Abdul Nassar, Leonid Moroz, Raghavendra Setty, Pramod Chandra Gopi, Adi Narayana Namburi
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A016, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90876
https://doi.org/10.1115/GT2019-90876
View Paper titled, Design of 20 kW Turbomachinery for Closed Loop Supercritical Carbon Dioxide Brayton Test Loop Facility
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Topics: Design, Supercritical carbon dioxide, Turbomachinery, Compressors, Turbines, Generators, Blades, Boundary-value problems, Brayton cycle, Collaboration
Proceedings Papers

Direct Off-Design Performance Prediction of Micro Gas Turbine Engine for Distributed Power Generation

Valentyn Barannik, Maksym Burlaka, Leonid Moroz, Abdul Nassar
Proc. ASME. GTINDIA2017, Volume 1: Compressors, Fans and Pumps; Turbines; Heat Transfer; Combustion, Fuels and Emissions, V001T02A006, December 7–8, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2017-4617
https://doi.org/10.1115/GTINDIA2017-4617
View Paper titled, Direct Off-Design Performance Prediction of Micro Gas Turbine Engine for Distributed Power Generation
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Topics: Design, Distributed power generation, Engines, Micro gas turbines, Combined heat and power, Gas turbines, Compressors, Electric power generation, Energy generation, Flow (Dynamics)
Proceedings Papers

Designing Supercritical CO2 Power Plants Using an Integrated Design System

Abdul Nassar, Leonid Moroz, Maksym Burlaka, Petr Pagur, Yuri Govoruschenko
Proc. ASME. GTINDIA2014, ASME 2014 Gas Turbine India Conference, V001T08A004, December 15–17, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2014-8225
https://doi.org/10.1115/GTINDIA2014-8225
View Paper titled, Designing Supercritical CO2 Power Plants Using an Integrated Design System
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Topics: Design, Power stations, Supercritical carbon dioxide, Cycles, Turbomachinery, Compressors, Turbines, Heat, Boundary-value problems, Engineering prototypes
Proceedings Papers

Numerical Studies on the Effect of Tip Clearance and Tip Cooling Flow on Endwall Losses of an Unshrouded Axial Turbine Rotor

K. Asgar Ali, Quamber H. Nagpurwala, Abdul Nassar, S. V. Ramanamurthy
Proc. ASME. GTINDIA2013, ASME 2013 Gas Turbine India Conference, V001T02A006, December 5–6, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2013-3568
https://doi.org/10.1115/GTINDIA2013-3568
View Paper titled, Numerical Studies on the Effect of Tip Clearance and Tip Cooling Flow on Endwall Losses of an Unshrouded Axial Turbine Rotor
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Topics: Clearances (Engineering), Coolants, Cooling, Flow (Dynamics), Rotors, Turbines