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Proceedings Papers

Integration a Rotary Pressure Exchanger in Transcritical CO2 Refrigeration System: Modeling and Annual Energy Saving Estimation

Neelesh Sarawate, Arnav Deshmukh, Azam Thatte
Proc. ASME. GT2024, Volume 11: Supercritical CO2, V011T28A008, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-122716
https://doi.org/10.1115/GT2024-122716
View Paper titled, Integration a Rotary Pressure Exchanger in Transcritical CO2 Refrigeration System: Modeling and Annual Energy Saving Estimation
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Topics: Carbon dioxide, Cycles, Modeling, Pressure, Refrigeration
Proceedings Papers

Novel Architectures for Transcritical CO 2 Refrigeration Cycle Using Rotary Pressure Exchanger

Neelesh Sarawate, Azam Thatte, Omprakash Samudrala
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A026, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103228
https://doi.org/10.1115/GT2023-103228
View Paper titled, Novel Architectures for Transcritical CO 2 Refrigeration Cycle Using Rotary Pressure Exchanger
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Topics: Architecture, Carbon dioxide, Climate change, Cycles, Pressure, Refrigeration cycles
Proceedings Papers

Multi-Phase Rotary Pressure Exchanger as a Novel Compressor-Expander for Increasing Efficiency of Trans-Critical CO2 Heat Pumps

Azam Thatte
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A031, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104173
https://doi.org/10.1115/GT2023-104173
View Paper titled, Multi-Phase Rotary Pressure Exchanger as a Novel Compressor-Expander for Increasing Efficiency of Trans-Critical CO2 Heat Pumps
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Topics: Carbon dioxide, Compressors, Energy efficiency, Heat pumps, Pressure
Proceedings Papers

An Artificial Intelligence Based Method for Performance Prediction and Inverse Design of Hydraulic Turbochargers

Azam Thatte, Ganesh Vurimi, Prabhav Borate, Teymour Javaherchi
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T20A027, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16012
https://doi.org/10.1115/GT2020-16012
View Paper titled, An Artificial Intelligence Based Method for Performance Prediction and Inverse Design of Hydraulic Turbochargers
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Topics: Artificial intelligence, Design, Turbochargers, Turbines, Pumps, Algorithms, Turbomachinery, Artificial neural networks, Blades, Flow (Dynamics)
Proceedings Papers

Transcritical / Supercritical CO2 Recompression Brayton Cycle Using a Novel Rotary Liquid Piston Compressor

Azam Thatte
Proc. ASME. GT2019, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A019, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91088
https://doi.org/10.1115/GT2019-91088
View Paper titled, Transcritical / Supercritical CO2 Recompression Brayton Cycle Using a Novel Rotary Liquid Piston Compressor
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Topics: Brayton cycle, Compressors, Pistons, Supercritical carbon dioxide, Compression, Carbon dioxide, Fluids, Flow (Dynamics), Temperature, Bearings
Proceedings Papers

A Novel Structural Health Monitoring System Using Surface Acoustic Sensor Network and Guided Lamb Waves

Prabhav Borate, Azam Thatte
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A019, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91111
https://doi.org/10.1115/GT2019-91111
View Paper titled, A Novel Structural Health Monitoring System Using Surface Acoustic Sensor Network and Guided Lamb Waves
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Topics: Acoustics, Sensor networks, Structural health monitoring, Waves, Damage, Sensors, Actuators, Adhesion, Algorithms, Blades
Proceedings Papers

A New Type of Rotary Liquid Piston Pump for Multi-Phase CO 2 Compression

Azam Thatte
Proc. ASME. GT2018, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A022, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77011
https://doi.org/10.1115/GT2018-77011
View Paper titled, A New Type of Rotary Liquid Piston Pump for Multi-Phase CO 2 Compression
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Topics: Carbon dioxide, Compression, Pistons, Pumps, Fluids, Rotors, Pressure, Supercritical carbon dioxide, Ducts, Flow (Dynamics)
Proceedings Papers

A Novel Experimental Method for LCF Measurement of Nickel Base Super Alloys in High Pressure High Temperature Supercritical CO 2

Azam Thatte, Etienne Martin, Tim Hanlon
Proc. ASME. GT2017, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T38A030, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65169
https://doi.org/10.1115/GT2017-65169
View Paper titled, A Novel Experimental Method for LCF Measurement of Nickel Base Super Alloys in High Pressure High Temperature Supercritical CO 2
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Topics: Alloys, High pressure (Physics), High temperature, Nickel, Supercritical carbon dioxide, Turbomachinery, Fatigue life, Fracture (Materials), Low cycle fatigue, Chemical kinetics
Proceedings Papers

Coupled Physics Performance Predictions and Risk Assessment for Dry Gas Seal Operating in MW-Scale Supercritical CO2 Turbine

Azam Thatte, Voramon Dheeradhada
Proc. ASME. GT2016, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T36A017, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57670
https://doi.org/10.1115/GT2016-57670
View Paper titled, Coupled Physics Performance Predictions and Risk Assessment for Dry Gas Seal Operating in MW-Scale Supercritical CO2 Turbine
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Topics: Physics, Risk assessment, Supercritical carbon dioxide, Turbines, Fluids, Design, Carbon dioxide, Concentrating solar power, Corrosion, Cycles
Proceedings Papers

Performance and Life Characteristics of Hybrid Gas Bearing in a 10 MW Supercritical CO2 Turbine

Azam Thatte, Adrian Loghin, Youngwon Shin, Balajee Ananthasayanam
Proc. ASME. GT2016, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T36A018, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57695
https://doi.org/10.1115/GT2016-57695
View Paper titled, Performance and Life Characteristics of Hybrid Gas Bearing in a 10 MW Supercritical CO2 Turbine
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Topics: Gas bearings, Supercritical carbon dioxide, Turbines, Fluids, Stress, Bearings, High pressure (Physics), High temperature, Concentrating solar power, Crack propagation
Proceedings Papers

Hydrodynamics and Sonic Flow Transition in Dry Gas Seals

Azam Thatte, Xiaoqing Zheng
Proc. ASME. GT2014, Volume 7B: Structures and Dynamics, V07BT32A020, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26706
https://doi.org/10.1115/GT2014-26706
View Paper titled, Hydrodynamics and Sonic Flow Transition in Dry Gas Seals
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Topics: Flow (Dynamics), Hydrodynamics, Pressure, Dams, Stiffness, Turbomachinery, Carbon dioxide, Compressible flow, Design, Leakage
Journal Articles

Visco-Elastohydrodynamic Model of a Hydraulic Rod Seal During Transient Operation

Azam Thatte, Richard F. Salant
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. October 2010, 132(4): 041501.
https://doi.org/10.1115/1.4002542
Published Online: October 8, 2010
View Article titled, Visco-Elastohydrodynamic Model of a Hydraulic Rod Seal During Transient Operation
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Topics: Deformation, Film thickness, Fluid pressure, Microscale devices, Pressure, Sealing (Process), Viscoelasticity, Friction, Transients (Dynamics), Cavitation
Proceedings Papers

Recent Research and Future Challenges in the Simulation of Hydraulic Seals

Richard F. Salant, Bo Yang, Azam Thatte
Proc. ASME. IJTC2009, ASME/STLE 2009 International Joint Tribology Conference, 479-480, October 19–21, 2009
Publisher: American Society of Mechanical Engineers
Paper No: IJTC2009-15042
https://doi.org/10.1115/IJTC2009-15042
View Paper titled, Recent Research and Future Challenges in the Simulation of Hydraulic Seals
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Topics: Simulation, Computer simulation, Steady state
Journal Articles

Elastohydrodynamic Analysis of an Elastomeric Hydraulic Rod Seal During Fully Transient Operation

Azam Thatte, Richard F. Salant
Journal: Journal of Tribology
Publisher: ASME
Article Type: Research Papers
J. Tribol. July 2009, 131(3): 031501.
https://doi.org/10.1115/1.3139057
Published Online: May 27, 2009
View Article titled, Elastohydrodynamic Analysis of an Elastomeric Hydraulic Rod Seal During Fully Transient Operation
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Topics: Contact mechanics, Deformation, Film thickness, Flow (Dynamics), Fluid mechanics, Fluid pressure, Fluids, Friction, Leakage, Pressure