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Journal Articles

Centrifugal Compressor Surge in Innovative Heat Pump: Fluid Dynamic and Vibrational Analysis

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Marco Ferrando, Tommaso Reboli, Federico Reggio, Carlo Alberto Niccolini, Paolo Silvestri, Alberto Traverso, Vishnu Sishtla
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2025, 147(3): 031029.
Paper No: GTP-23-1366
https://doi.org/10.1115/1.4063547
Published Online: November 15, 2024
View Articletitled, Centrifugal Compressor Surge in Innovative Heat Pump: Fluid Dynamic and Vibrational Analysis
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Topics: Compressors, Cycles, Surges, Heat pumps, Water, Fluids, Pressure
Journal Articles

The Development of Machine Learning Models for Radial Compressor Monitoring With Instability Detection

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Lorenzo Carrattieri, Carlo Cravero, Davide Marsano, Emiliano Valenti, Vishnu Sishtla, Chaitanya Halbe
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051004.
Paper No: TURBO-24-1128
https://doi.org/10.1115/1.4066918
Published Online: November 12, 2024
View Articletitled, The Development of Machine Learning Models for Radial Compressor Monitoring With Instability Detection
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Topics: Compressors, Diffusers, Machine learning, Probes, Signals, Surges, Pressure, Stability, Computational fluid dynamics, Algorithms
Journal Articles

Compressor Surge Identification in Innovative Heat-Pump Systems Equipped by Vaned Diffuser Centrifugal Compressor

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Carlo Alberto Niccolini Marmont Du Haut Champ, Paolo Silvestri, Federico Reggio, Alberto Traverso, Vishnu Sishtla
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2025, 147(2): 021018.
Paper No: GTP-24-1474
https://doi.org/10.1115/1.4066363
Published Online: September 27, 2024
View Articletitled, Compressor Surge Identification in Innovative Heat-Pump Systems Equipped by Vaned Diffuser Centrifugal Compressor
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Topics: Compressors, Surges, Acoustics, Signals, Heat pumps
Proceedings Papers

Compressor Surge Identification in Innovative Heat-Pump Systems Equipped by Vaned Diffuser Centrifugal Compressor

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Carlo Alberto Niccolini Marmont Du Haut Champ, Paolo Silvestri, Federico Reggio, Alberto Traverso, Vishnu Sishtla
Proc. ASME. GT2024, Volume 5: Cycle Innovations, V005T06A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125074
https://doi.org/10.1115/GT2024-125074
View Paper titled, Compressor Surge Identification in Innovative Heat-Pump Systems Equipped by Vaned Diffuser Centrifugal Compressor
Open the PDF for Compressor Surge Identification in Innovative Heat-Pump Systems Equipped by Vaned Diffuser Centrifugal Compressor in another window
Topics: Compressors, Diffusers, Heat pumps, Surges
Proceedings Papers

The Development of Machine Learning Models for Radial Compressor Monitoring With Instability Detection

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Lorenzo Carrattieri, Carlo Cravero, Davide Marsano, Emiliano Valenti, Vishnu Sishtla, Chaitanya Halbe
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A013, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126818
https://doi.org/10.1115/GT2024-126818
View Paper titled, The Development of Machine Learning Models for Radial Compressor Monitoring With Instability Detection
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Topics: Compressors, Machine learning, Simulation, Stability, Surges
Journal Articles

Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor With Refrigerant Gas

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Carlo Cravero, Davide Marsano, Vishnu Sishtla, Chaitanya Halbe, William T. Cousins
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2024, 146(2): 021010.
Paper No: GTP-23-1246
https://doi.org/10.1115/1.4063577
Published Online: November 2, 2023
View Articletitled, Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor With Refrigerant Gas
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Topics: Compressors, Diffusers, Flow (Dynamics), Impellers, Inlet guide vanes, Pressure, Rotors, Surges, Blades, Entropy
Proceedings Papers

Centrifugal Compressor Surge in Innovative Heat Pump – Part 1: Fluid Dynamic and Vibrational Analysis

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Marco Ferrando, Tommaso Reboli, Federico Reggio, Carlo Alberto Niccolini, Paolo Silvestri, Alberto Traverso, Vishnu Sishtla
Proc. ASME. GT2023, Volume 5: Cycle Innovations, V005T06A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102776
https://doi.org/10.1115/GT2023-102776
View Paper titled, Centrifugal Compressor Surge in Innovative Heat Pump – Part 1: Fluid Dynamic and Vibrational Analysis
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Topics: Compressors, Fluids, Heat pumps, Surges, Cycles, Fossil fuels, Boilers, Energy efficiency, Experimental characterization, Fast Fourier transforms
Proceedings Papers

Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor With Refrigerant Gas

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Carlo Cravero, Davide Marsano, Vishnu Sishtla, Chaitanya Halbe, William T. Cousins
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A016, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102630
https://doi.org/10.1115/GT2023-102630
View Paper titled, Numerical Investigations of Near Surge Operating Conditions in a Two-Stage Radial Compressor With Refrigerant Gas
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Topics: Compressors, Refrigerants, Surges
Proceedings Papers

Analytical and Experimental Results of a Novel Single-Stage Centrifugal Compressor With Economizer Injection

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William T. Cousins, Lei Yu, Vishnu Sishtla, Feng Shen
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A026, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76967
https://doi.org/10.1115/GT2018-76967
View Paper titled, Analytical and Experimental Results of a Novel Single-Stage Centrifugal Compressor With Economizer Injection
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Topics: Compressors, Cycles, Design, HVAC equipment, Water, Air conditioning, Computational fluid dynamics, Condensers (steam plant), Diffusers, Energy consumption
Proceedings Papers

A Numerical Analysis of the Effects of Liquid Carryover on the Performance of a Two-Stage Centrifugal Compressor

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Chaitanya V. Halbe, Walter F. O’Brien, William T. Cousins, Vishnu Sishtla
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT44A028, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-77015
https://doi.org/10.1115/GT2018-77015
View Paper titled, A Numerical Analysis of the Effects of Liquid Carryover on the Performance of a Two-Stage Centrifugal Compressor
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Topics: Compressors, Numerical analysis, Drops, Flow (Dynamics), Aerodynamics, Compression, Computational fluid dynamics, Computational methods, Design, Dynamics (Mechanics)
Proceedings Papers

Numerical Investigation of the Flow Distortion Impact on a Refrigeration Centrifugal Compressor

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Feng Shen, Lei Yu, William T. Cousins, Vishnu Sishtla, Om P. Sharma
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A025, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57063
https://doi.org/10.1115/GT2016-57063
View Paper titled, Numerical Investigation of the Flow Distortion Impact on a Refrigeration Centrifugal Compressor
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Topics: Compressors, Flow (Dynamics), Refrigeration, Clearances (Engineering), Computational fluid dynamics, Inlet guide vanes, Pipes, Design, Guide vanes, Impellers
Proceedings Papers

Numerical Investigation of the Effect of Diffuser and Volute Design Parameters on the Performance of a Centrifugal Compressor Stage

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Lei Yu, William T. Cousins, Feng Shen, Georgi Kalitzin, Vishnu Sishtla, Om Sharma
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A024, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57057
https://doi.org/10.1115/GT2016-57057
View Paper titled, Numerical Investigation of the Effect of Diffuser and Volute Design Parameters on the Performance of a Centrifugal Compressor Stage
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Topics: Compressors, Design, Diffusers, Flow (Dynamics), Pressure, Simulation, Impellers, Computational fluid dynamics, Diffusion (Physics), Diffusion processes
Proceedings Papers

A CFD Analysis of the Effects of Two-Phase Flow in a Two-Stage Centrifugal Compressor

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Chaitanya V. Halbe, Walter F. O’Brien, William T. Cousins, Vishnu Sishtla
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A016, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-42534
https://doi.org/10.1115/GT2015-42534
View Paper titled, A CFD Analysis of the Effects of Two-Phase Flow in a Two-Stage Centrifugal Compressor
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Topics: Compressors, Computational fluid dynamics, Two-phase flow, Drops, Simulation, Dynamics (Mechanics), Heat, Momentum, Pressure
Proceedings Papers

Test and Simulation of the Effects of Surface Roughness on a Shrouded Centrifugal Impeller

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William T. Cousins, Lei Yu, Jacquelynn Garofano, Barbara Botros, Vishnu Sishtla, Om Sharma
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT42A012, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-25480
https://doi.org/10.1115/GT2014-25480
View Paper titled, Test and Simulation of the Effects of Surface Roughness on a Shrouded Centrifugal Impeller
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Topics: Impellers, Simulation, Surface roughness, Computational fluid dynamics, Turbomachinery, Boundary layer turbulence, Design, Finishes, Modeling, Refrigerants