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Lakshminarayanan Seshadri
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Journal Articles

Vaneless Diffuser Modelling for Real Gas Supercritical Carbon Dioxide Flows- Need for a Data Driven Approach

Accepted Manuscript
Lakshminarayanan Seshadri, Pramod Kumar
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power.
Paper No: GTP-24-1602
https://doi.org/10.1115/1.4066709
Published Online: September 28, 2024
View Article titled, Vaneless Diffuser Modelling for Real Gas Supercritical Carbon Dioxide Flows- Need for a Data Driven Approach
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Topics: Flow (Dynamics), Modeling, Supercritical carbon dioxide, Vaneless diffusers, Artificial neural networks, Computational fluid dynamics, Skin friction (Fluid dynamics), Compressors, Differential equations, Friction
Proceedings Papers

Vaneless Diffuser Modelling for Real Gas Supercritical Carbon Dioxide Flows- Need for a Data Driven Approach

Lakshminarayanan Seshadri, Pramod Kumar
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A021, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126308
https://doi.org/10.1115/GT2024-126308
View Paper titled, Vaneless Diffuser Modelling for Real Gas Supercritical Carbon Dioxide Flows- Need for a Data Driven Approach
Open the PDF for Vaneless Diffuser Modelling for Real Gas Supercritical Carbon Dioxide Flows- Need for a Data Driven Approach in another window
Topics: Compressors, Flow (Dynamics), Modeling, Supercritical carbon dioxide, Vaneless diffusers
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

Sliding Pressure Inventory Control of a Supercritical CO 2 Cycle for Concentrated Solar Power—Analysis and Implications

Lakshminarayanan Seshadri, Pramod Kumar
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2024, 146(1): 011009.
Paper No: SOL-23-1011
https://doi.org/10.1115/1.4063183
Published Online: September 13, 2023
View Article titled, Sliding Pressure Inventory Control of a Supercritical CO 2 Cycle for Concentrated Solar Power—Analysis and Implications
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Topics: Carbon dioxide, Compressors, Cycles, Design, Fluids, Heat exchangers, Pressure, Stress, Supercritical carbon dioxide, Temperature
Proceedings Papers

Two Stage Radial Compressor for a Kilowatt Scale Supercritical Carbon Dioxide Power Block: Design Considerations

Lakshminarayanan Seshadri, Ashutosh Patel, Vijay Biradar, Pramod Kumar, Pramod Chandra Gopi
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A006, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81699
https://doi.org/10.1115/GT2022-81699
View Paper titled, Two Stage Radial Compressor for a Kilowatt Scale Supercritical Carbon Dioxide Power Block: Design Considerations
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Topics: Compressors, Design, Supercritical carbon dioxide, Turbomachinery
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

Vaneless Diffuser Performance in a Super-Critical Carbon Dioxide Centrifugal Compressor With Real Gas Effects

Lakshminarayanan Seshadri, Pramod Kumar
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T04A007, December 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2021-76030
https://doi.org/10.1115/GTINDIA2021-76030
View Paper titled, Vaneless Diffuser Performance in a Super-Critical Carbon Dioxide Centrifugal Compressor With Real Gas Effects
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Topics: Carbon dioxide, Compressors, Supercritical carbon dioxide, Vaneless diffusers
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

Modelling of Gas Cooler for S-CO 2 Brayton Power Cycle

Vivek Pandey, Lakshminarayanan Seshadri, Jayesh Gupta, Ravishankar Mariayyah, Nagavally Lingappa Santhosh, Pramod Kumar
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, V002T08A010, December 5–6, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2019-2612
https://doi.org/10.1115/GTINDIA2019-2612
View Paper titled, Modelling of Gas Cooler for S-CO 2 Brayton Power Cycle
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Topics: Flow (Dynamics), Mechanical admittance, Modeling, Supercritical carbon dioxide, Thermal resistance, Thermodynamic power cycles
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