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Proceedings Papers

Experimental Investigation of a Physisorption-Based Hydrogen Storage System

Marcel Otto, Yakym Khlyapov, Erik Fernandez, Joshua Schmitt, Adam Swanger, Jayanta Kapat
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A045, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129410
https://doi.org/10.1115/GT2024-129410
View Paper titled, Experimental Investigation of a Physisorption-Based Hydrogen Storage System
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Topics: Hydrogen, Hydrogen storage, Aerogels, Design, High pressure (Physics), Storage, Transients (Dynamics), Cooling, Cycles, Delays
Proceedings Papers

Analysis of NH3 Powered Turbofan Engine With sCO2 Waste Heat Recovery System

William Andress, Guillermo Paniagua, Ladislav Vesely, Marcel Otto, Jayanta Kapat
Proc. ASME. GT2024, Volume 1: Aircraft Engine, V001T01A043, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126643
https://doi.org/10.1115/GT2024-126643
View Paper titled, Analysis of NH3 Powered Turbofan Engine With sCO2 Waste Heat Recovery System
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Topics: Engines, Heat recovery, Modeling, Turbofans
Proceedings Papers

Transient Modeling of an Aero-Engine Using Ammonia As a Fuel Carrier

Kangana Patel, Vipul Goyal, Brandon Cotto, Marcel Otto, Ladislav Vesely, Jayanta Kapat, Mingxuan Shi
Proc. ASME. GT2024, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A043, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129283
https://doi.org/10.1115/GT2024-129283
View Paper titled, Transient Modeling of an Aero-Engine Using Ammonia As a Fuel Carrier
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Topics: Aircraft engines, Carbon, Emissions, Engines, Fuels, Hydrogen, Modeling, Transients (Dynamics)
Proceedings Papers

Techno-Economic Analysis of Green Hydrogen Energy Storage in a Cryogenic Flux Capacitor

Joshua Schmitt, Bikram Roychowdhury, Adam Swanger, Marcel Otto, Jayanta Kapat
Proc. ASME. GT2024, Volume 6: Education; Electric Power; Energy Storage; Fans and Blowers, V006T09A015, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129208
https://doi.org/10.1115/GT2024-129208
View Paper titled, Techno-Economic Analysis of Green Hydrogen Energy Storage in a Cryogenic Flux Capacitor
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Topics: Capacitors, Economics , Green hydrogen, Storage, Hydrogen, Aerogels, Bonding, Carbon capture and storage, Fuel cells, Power systems (Machinery)
Proceedings Papers

Investigation of SPS Tungsten-Lithium Heat Pipe for Primary Heat Exchanger Applications

Abhilash M. Prasad, Elena Torres, Nandhini Raju, Marcel Otto, Ladislav Vesely, Erik Fernandez, Zachariah Koyn, Jayanta Kapat
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A003, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122070
https://doi.org/10.1115/GT2024-122070
View Paper titled, Investigation of SPS Tungsten-Lithium Heat Pipe for Primary Heat Exchanger Applications
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Topics: Heat exchangers, Heat pipes, Lithium, Plasmas (Ionized gases), Sintering, Tungsten
Proceedings Papers

sCO2 Cycle Selection for Waste Heat Recovery From Aircraft Engine

Ladislav Vesely, William Andress, Guillermo Paniagua, Marcel Otto, Jayanta Kapat, Claire-Phonie Bury
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A050, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129456
https://doi.org/10.1115/GT2024-129456
View Paper titled, sCO2 Cycle Selection for Waste Heat Recovery From Aircraft Engine
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Topics: Aircraft engines, Cycles, Heat recovery, Waste heat, Engines, Fuels, Electricity (Physics), Flow (Dynamics), Heat, Thermodynamic power cycles
Journal Articles

Techno-Economic Analysis of a Physisorption-Based Hydrogen Storage System

Yannik Schueler, Marcel Otto, Jayanta Kapat, Joshua Schmitt
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2024, 146(1): 011020.
Paper No: GTP-23-1400
https://doi.org/10.1115/1.4063552
Published Online: November 21, 2023
View Article titled, Techno-Economic Analysis of a Physisorption-Based Hydrogen Storage System
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Topics: Hydrogen, Hydrogen storage, Storage, Density, Cooling, Economics , Vessels
Proceedings Papers

Solving Renewable Intermittency With Low-Cost Legacy Turbines Firing 100% Hydrogen: An Ecosystem Analysis

George Gramatikas, Marcel Otto
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104160
https://doi.org/10.1115/GT2023-104160
View Paper titled, Solving Renewable Intermittency With Low-Cost Legacy Turbines Firing 100% Hydrogen: An Ecosystem Analysis
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Topics: Firing, Gas turbines, Hydrogen, Turbines
Proceedings Papers

Techno-Economic Analysis of a Physisorption-Based Hydrogen Storage System

Yannik Schueler, Marcel Otto, Jayanta Kapat, Joshua Schmitt
Proc. ASME. GT2023, Volume 2: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels, V002T03A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102283
https://doi.org/10.1115/GT2023-102283
View Paper titled, Techno-Economic Analysis of a Physisorption-Based Hydrogen Storage System
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Topics: Economics , Hydrogen storage, Storage, Energy storage, High pressure (Physics), Hydrogen, Capacitors, Climate change, Cooling, Hydrogen production
Proceedings Papers

A Numerical Heat Transfer Investigation of Lattice Structures As an Alternative AM-Enabled Design for Cooled sCO 2 Airfoils

Marcel Otto, Ryan Wardell, Parker O’Neal, Ladislav Veselý, Jayanta Kapat
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A032, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104180
https://doi.org/10.1115/GT2023-104180
View Paper titled, A Numerical Heat Transfer Investigation of Lattice Structures As an Alternative AM-Enabled Design for Cooled sCO 2 Airfoils
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Topics: Airfoils, Design, Heat transfer
Proceedings Papers

An Experimental Investigation of Heat Transfer for Supercritical Carbon Dioxide Cooling in a Staggered Pin Fin Array

Ryan J. Wardell, John Richardson, Marcel Otto, Matthew Smith, Erik Fernandez, Jayanta Kapat
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A022, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103263
https://doi.org/10.1115/GT2023-103263
View Paper titled, An Experimental Investigation of Heat Transfer for Supercritical Carbon Dioxide Cooling in a Staggered Pin Fin Array
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Topics: Cooling, Heat transfer, Supercritical carbon dioxide, Cycles, Fluids, Geometry, Turbine blades, Blades, Computer simulation, Emissions
Journal Articles

Ammonia as an Aircraft Fuel: A Critical Assessment From Airport to Wake

Marcel Otto, Ladislav Vesely, Jayanta Kapat, Michael Stoia, Nicholas D. Applegate, Gregory Natsui
Journal: ASME Open Journal of Engineering
Publisher: ASME
Article Type: Research Papers
ASME Open J. Engineering. January 2023, 2: 021033.
Paper No: AOJE-22-1055
https://doi.org/10.1115/1.4062626
Published Online: June 19, 2023
View Article titled, Ammonia as an Aircraft Fuel: A Critical Assessment From Airport to Wake
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Topics: Aircraft, Aviation, Emissions, Engines, Fuels, Hydrogen, Sustainable aviation fuels, Temperature, Turbines, Heat exchangers
Proceedings Papers

Ammonia as an Aircraft Fuel: Thermal Assessment From Airport to Wake

Marcel Otto, Ladislav Vesely, Jayanta Kapat, Michael Stoia, Nicholas D. Applegate, Greg Natsui
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A023, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-84359
https://doi.org/10.1115/GT2022-84359
View Paper titled, Ammonia as an Aircraft Fuel: Thermal Assessment From Airport to Wake
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Topics: Aircraft, Fuels, Wakes, Aviation, Emissions, Hydrogen, Cooling, Biofuel, Carbon, Compressors
Proceedings Papers

Numerical Performance Study of Adsorption Based Hydrogen Storage System in Silica Aerogel

Adil Riahi, Sara Algurab, Marcel Otto, Erik Fernandez, Jayanta Kapat, Joshua Schmitt, Swati Saxena
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T03A014, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82711
https://doi.org/10.1115/GT2022-82711
View Paper titled, Numerical Performance Study of Adsorption Based Hydrogen Storage System in Silica Aerogel
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Topics: Energy storage, Hydrogen, Hydrogen storage, Desorption, Storage, Temperature, Aircraft, Carbon, Computational fluid dynamics, Economics
Proceedings Papers

Numerical Study of Three Gaseous Fuels on the Reactor Length and Pollutant Formation Under Lean Gas Turbine Conditions

Bernhard Stiehl, Marcel Otto, Malcolm Newmyer, Max Fortin, Tommy Genova, Kareem Ahmed, Jayanta Kapat, Stefano Orsino, Carlo Arguinzoni
Proc. ASME. GT2022, Volume 3B: Combustion, Fuels, and Emissions, V03BT04A050, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83343
https://doi.org/10.1115/GT2022-83343
View Paper titled, Numerical Study of Three Gaseous Fuels on the Reactor Length and Pollutant Formation Under Lean Gas Turbine Conditions
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Topics: Combustion chambers, Ejectors, Fuels, Gas turbines, Gaseous fuels, Large eddy simulation, Nitrogen oxides, Pollution, Turbines
Proceedings Papers

Techno-Economic Analysis of a Cryogenic Flux Capacitor for Grid Storage

Joshua Schmitt, Noemi Collado, Adam Swanger, Marcel Otto, Jayanta Kapat
Proc. ASME. GT2022, Volume 4: Cycle Innovations; Cycle Innovations: Energy Storage, V004T07A010, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83375
https://doi.org/10.1115/GT2022-83375
View Paper titled, Techno-Economic Analysis of a Cryogenic Flux Capacitor for Grid Storage
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Topics: Capacitors, Economics , Storage, Hydrogen, Natural gas, Carbon capture and storage, Carbon dioxide, Energy storage, Bonding, Combined cycle gas turbines
Proceedings Papers

A Numerical Study on Conjugate Heat Transfer of Supercritical Carbon Dioxide Cooling in a Staggered Pin Fin Structure

Ryan J. Wardell, Marcel Otto, Matthew Smith, Erik Fernandez, Jayanta Kapat
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A015, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82044
https://doi.org/10.1115/GT2022-82044
View Paper titled, A Numerical Study on Conjugate Heat Transfer of Supercritical Carbon Dioxide Cooling in a Staggered Pin Fin Structure
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Topics: Cooling, Heat transfer, Supercritical carbon dioxide, Cycles, Fluids, Turbomachinery, Geometry, Temperature, Blades, Computer software
Proceedings Papers

Optimization of a Primary Heat Exchanger for FLiBe Molten Salt Nuclear Reactor With sCO 2 Power System

Emmanuel Gabriel-Ohanu, Akshay Khadse, Ladislav Vesely, Nandhini Raju, Marcel Otto, Jayanta S. Kapat, Kurt Harris
Proc. ASME. GT2021, Volume 10: Supercritical CO2, V010T30A023, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59939
https://doi.org/10.1115/GT2021-59939
View Paper titled, Optimization of a Primary Heat Exchanger for FLiBe Molten Salt Nuclear Reactor With sCO 2 Power System
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Topics: Heat exchangers, Molten salt reactors, Nuclear reactors, Optimization, Power systems (Machinery), Shells, Heat, Thermodynamic power cycles, Heat transfer, Brayton cycle
Proceedings Papers

A Novel Long-Duration Hydrogen Storage Concept Without Liquefaction and High Pressure Suitable for Onsite Blending

Marcel Otto, Manoj P. Sargunaraj, Adil Riahi, Jayanta Kapat
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T03A007, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59393
https://doi.org/10.1115/GT2021-59393
View Paper titled, A Novel Long-Duration Hydrogen Storage Concept Without Liquefaction and High Pressure Suitable for Onsite Blending
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Topics: Fuels, High pressure (Physics), Hydrogen storage, Liquefaction, Storage, Gas turbines, Hydrogen, Power stations, Pressure, Boiling
Journal Articles

Heat Transfer in a Rib Turbulated Pin Fin Array for Trailing Edge Cooling

Marcel Otto, Jayanta Kapat, Mark Ricklick, Shantanu Mhetras
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. April 2022, 14(4): 041012.
Paper No: TSEA-21-1067
https://doi.org/10.1115/1.4051766
Published Online: August 6, 2021
View Article titled, Heat Transfer in a Rib Turbulated Pin Fin Array for Trailing Edge Cooling
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Topics: Heat transfer, Pins (Engineering), Reynolds number, Flow (Dynamics), Cooling, Fins, Pressure drop