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Leonardo Tognarelli
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Proceedings Papers

Gas Turbine Rotor Damper Lift-Off Study

S. Manoharan, S. Abhimanyu, S. Babu, Leonardo Tognarelli, Guido Peano
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A028, June 13–17, 2022
Paper No: GT2022-82960
https://doi.org/10.1115/GT2022-82960
View Paper titled, Gas Turbine Rotor Damper Lift-Off Study
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Topics: Dampers, Damping, Gas turbines, Rotors
Proceedings Papers

Methods to Have Tighter Clearance in Gas Turbine: Turbine Section

Santhana G. Babu, Kammalapalli Ramesh, Leonardo Tognarelli
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A030, September 21–25, 2020
Paper No: GT2020-15973
https://doi.org/10.1115/GT2020-15973
View Paper titled, Methods to Have Tighter Clearance in Gas Turbine: Turbine Section
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Topics: Clearances (Engineering), Gas turbines, Turbines, Design, Honeycomb structures, Pressure, Rotors, Damage, Flow (Dynamics), Heat
Proceedings Papers

All-Purpose Packing Cups for Hyper Compressor

Carmelo Maggi, Jan Wojnar, Leonardo Tognarelli
Proc. ASME. PVP2016, Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Symposium and 24th Annual Student Paper Competition; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD); Electric Power Research Institute (EPRI) Creep Fatigue Workshop, V005T05A007, July 17–21, 2016
Paper No: PVP2016-63256
https://doi.org/10.1115/PVP2016-63256
View Paper titled, All-Purpose Packing Cups for Hyper Compressor
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Topics: Compressors, Packing (Shipments), Packings (Cushioning), Manufacturing, Ducts, Design, Cylinders, Sealing (Process), Compression, Cooling
Proceedings Papers

Optimization of Hyper Compressors Configuration and Related Plant Arrangement

Carmelo Maggi, Leonardo Tognarelli, Stefano Giorgetti
Proc. ASME. PVP2015, Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Competition and 23rd Annual Student Paper Competition; ASME NDE Division, V005T05A004, July 19–23, 2015
Paper No: PVP2015-45185
https://doi.org/10.1115/PVP2015-45185
View Paper titled, Optimization of Hyper Compressors Configuration and Related Plant Arrangement
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Topics: Compressors, Optimization, Design, Stress, Vibration, Engines, High pressure (Physics), Motors
Proceedings Papers

Preventive Maintenance and Spare Parts Management Optimization in Natural Gas Pipelines Operating Under Variable Conditions Across the Year

Elisa Carlucci, Leonardo Tognarelli
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T08A001, June 28–July 2, 2015
Paper No: POWER2015-49326
https://doi.org/10.1115/POWER2015-49326
View Paper titled, Preventive Maintenance and Spare Parts Management Optimization in Natural Gas Pipelines Operating Under Variable Conditions Across the Year
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Topics: Maintenance, Natural gas distribution, Optimization, Pipelines, Generators, Gas turbines, Reliability, Cycles, Delays, Machinery
Proceedings Papers

Mixed Weibull Distribution as Best Representative of Forced Outage Distribution to be Implemented in BlockSim

Elisa Carlucci, Leonardo Tognarelli
Proc. ASME. POWER2014, Volume 1: Fuels and Combustion, Material Handling, Emissions; Steam Generators; Heat Exchangers and Cooling Systems; Turbines, Generators and Auxiliaries; Plant Operations and Maintenance; Reliability, Availability and Maintainability (RAM); Plant Systems, Structures, Components and Materials Issues, V001T06A009, July 28–31, 2014
Paper No: POWER2014-32282
https://doi.org/10.1115/POWER2014-32282
View Paper titled, Mixed Weibull Distribution as Best Representative of Forced Outage Distribution to be Implemented in BlockSim
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Topics: Failure, Interpolation, Reliability, Risk, Risk-based design, Weibull distribution
Proceedings Papers

Improved Accuracy on Efficiency of PK Hypercompressor Valves

Carmelo Maggi, Jan Wojnar, Riccardo Bagagli, Leonardo Tognarelli
Proc. ASME. PVP2014, Volume 5: High-Pressure Technology; ASME NDE Division; 22nd Scavuzzo Student Paper Symposium and Competition, V005T05A004, July 20–24, 2014
Paper No: PVP2014-28079
https://doi.org/10.1115/PVP2014-28079
View Paper titled, Improved Accuracy on Efficiency of PK Hypercompressor Valves
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Topics: Valves, Compressors, Design, Energy consumption, Geometry, Pressure, Accuracy and precision, Drag (Fluid dynamics), Engineering disciplines, Flow (Dynamics)
Proceedings Papers

Rig and Engine Testing of Melt Infiltrated Ceramic Composites for Combustor and Shroud Applications

Gregory S. Corman, Anthony J. Dean, Stephen Brabetz, Milivoj K. Brun, Krishan L. Luthra, Leonardo Tognarelli, Mario Pecchioli
Proc. ASME. GT2000, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V004T02A019, May 8–11, 2000
Paper No: 2000-GT-0638
https://doi.org/10.1115/2000-GT-0638
View Paper titled, Rig and Engine Testing of Melt Infiltrated Ceramic Composites for Combustor and Shroud Applications
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Topics: Ceramic composites, Combustion chambers, Engines, Testing, Composite materials, Gas turbines, Turbines, Ceramics, Combustion, Cycles
Proceedings Papers

Rig and Gas Turbine Engine Testing of MI-CMC Combustor and Shroud Components

Gregory Corman, Anthony Dean, Stephen Brabetz, Keith McManus, Milivoj Brun, Peter Meschter, Krishan Luthra, HongYu Wang, Robert Orenstein, Mark Schroder, Devin Martin, Roberta De Stefano, Leonardo Tognarelli
Proc. ASME. GT2001, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award, V004T02A015, June 4–7, 2001
Paper No: 2001-GT-0593
https://doi.org/10.1115/2001-GT-0593
View Paper titled, Rig and Gas Turbine Engine Testing of MI-CMC Combustor and Shroud Components
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Topics: Ceramic matrix composites, Combustion chambers, Gas turbines, Testing, Engines, Combustion, High pressure (Physics), Industrial gases, Machinery, Risk
Proceedings Papers

The MS 5002E: A New 2-Shaft, High Efficiency Heavy Duty Gas Turbine for Oil and Gas Applications

Luca Aurelio, Paolo Battagli, Dino Bianchi, Arlie R. Martin, Leonardo Tognarelli
Proc. ASME. GT2001, Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations, V002T03A004, June 4–7, 2001
Paper No: 2001-GT-0225
https://doi.org/10.1115/2001-GT-0225
View Paper titled, The MS 5002E: A New 2-Shaft, High Efficiency Heavy Duty Gas Turbine for Oil and Gas Applications
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Topics: Aircraft engines, Airfoils, Combined cycles, Combustion systems, Compressors, Computational fluid dynamics, Cooling, Cycles, Design, Emissions
Proceedings Papers

Improving the Traditional RCA Methodology to Design a Most Efficient and Reliable Valve for LDPE Hypercompressors Leveraging Experimental Data From Test Bench Simulation: A Real Case Study

Carmelo Maggi, Leonardo Tognarelli, Riccardo Bagagli, Jan Wojnar
Proc. ASME. PVP2013, Volume 5: High-Pressure Technology; ASME NDE Division; Rudy Scavuzzo Student Paper Symposium, V005T05A009, July 14–18, 2013
Paper No: PVP2013-97926
https://doi.org/10.1115/PVP2013-97926
View Paper titled, Improving the Traditional RCA Methodology to Design a Most Efficient and Reliable Valve for LDPE Hypercompressors Leveraging Experimental Data From Test Bench Simulation: A Real Case Study
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Topics: Design, Simulation, Valves, Geometry, Pressure, Damage, Drag (Fluid dynamics), Failure mechanisms, Flow (Dynamics), Optimization
Proceedings Papers

Advances in Hypercompressor Valve and Valve Spring Design

Riccardo Bagagli, Alessio Capanni, Carmelo Maggi, Leonardo Tognarelli
Proc. ASME. PVP2012, Volume 5: High-Pressure Technology; ASME NDE Division, 19-26, July 15–19, 2012
Paper No: PVP2012-78472
https://doi.org/10.1115/PVP2012-78472
View Paper titled, Advances in Hypercompressor Valve and Valve Spring Design
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Topics: Design, Springs, Valves, Compressors, Vortex shedding, Resonance, Surges, Transients (Dynamics), Approximation, Deflection
Proceedings Papers

New Manufacturing Cycle to Improve the Life of Packing Cups for Hyper-Compressors

Carmelo Maggi, Leonardo Tognarelli, Alessio Capanni, Jan Wojnar
Proc. ASME. PVP2012, Volume 5: High-Pressure Technology; ASME NDE Division, 27-36, July 15–19, 2012
Paper No: PVP2012-78509
https://doi.org/10.1115/PVP2012-78509
View Paper titled, New Manufacturing Cycle to Improve the Life of Packing Cups for Hyper-Compressors
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Topics: Compressors, Cycles, Manufacturing, Packing (Shipments), Packings (Cushioning), Design, Autofrettage, Cylinders, Fatigue, Pressure