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Proceedings Papers

Numerical and Experimental Investigation of Riblet-Coating Impact on Centrifugal Compressor Stage Performance

Sophia Jörg, Manfred Wirsum, Mikel Lucas García De Albéniz, Peter Leitl, Andreas Flanschger, Yvonne Kowalik, Philipp Jenny
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT35A017, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103040
https://doi.org/10.1115/GT2023-103040
View Paper titled, Numerical and Experimental Investigation of Riblet-Coating Impact on Centrifugal Compressor Stage Performance
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Topics: Coating processes, Compressors
Proceedings Papers

Full-Scale Demonstration and Validation of a 35 MW Transcritical CO 2 Heat Pump

Leonhard Wolscht, Reto Somaini, Emmanuel Jacquemoud, Philipp Jenny
Proc. ASME. GT2023, Volume 12: Supercritical CO2, V012T28A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-101356
https://doi.org/10.1115/GT2023-101356
View Paper titled, Full-Scale Demonstration and Validation of a 35 MW Transcritical CO 2 Heat Pump
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Topics: Carbon dioxide, Central heating, Heat pumps
Journal Articles

Errata: “Off-Design Modeling and Operational Optimization of Trans-Critical Carbon Dioxide Heat Pumps” [ASME J. Eng. Gas Turbines Power, 2022, 144(10), p. 101004]

Paolo Gabrielli, Siddhant Singh, Giovanni Sansavini, Luis Sanz Garcia, Emmanuel Jacquemoud, Philipp Jenny
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Errata
J. Eng. Gas Turbines Power. October 2023, 145(10): 107002.
Paper No: GTP-23-1257
https://doi.org/10.1115/1.4063125
Published Online: August 31, 2023
View Article titled, Errata: “Off-Design Modeling and Operational Optimization of Trans-Critical Carbon Dioxide Heat Pumps” [ASME J. Eng. Gas Turbines Power, 2022, 144(10), p. 101004]
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Topics: Carbon dioxide, Design, Gas turbines, Heat pumps, Modeling, Optimization
Proceedings Papers

Off-Design Modelling and Operational Optimization of Trans-Critical Carbon Dioxide Heat Pumps

Paolo Gabrielli, Siddhant Singh, Giovanni Sansavini, Luis Sanz Garcia, Emmanuel Jacquemoud, Philipp Jenny
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A022, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-83205
https://doi.org/10.1115/GT2022-83205
View Paper titled, Off-Design Modelling and Operational Optimization of Trans-Critical Carbon Dioxide Heat Pumps
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Topics: Carbon dioxide, Design, Heat pumps, Modeling, Optimization, Heating and cooling, Boundary-value problems, Climate change, Cooling, Engines
Journal Articles

Off-Design Modeling and Operational Optimization of Trans-Critical Carbon Dioxide Heat Pumps

Paolo Gabrielli, Giovanni Sansavini, Siddhant Singh, Luis Sanz Garcia, Emmanuel Jacquemoud, Philipp Jenny
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2022, 144(10): 101004.
Paper No: GTP-22-1394
https://doi.org/10.1115/1.4055233
Published Online: August 25, 2022
View Article titled, Off-Design Modeling and Operational Optimization of Trans-Critical Carbon Dioxide Heat Pumps
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Topics: Carbon dioxide, Compressors, Design, Heat, Heat pumps, Optimization, Stress, Temperature, Turbomachinery, Modeling
Proceedings Papers

Experimental and Numerical Investigation of Vaned Hub and Shroud Wall Contoured Diffusers Designed to Improve Flexibility and Efficiency of an Open Impeller Centrifugal Compressor Stage

Daniel Hermann, Manfred Wirsum, Douglas Robinson, Philipp Jenny
Proc. ASME. GT2021, Volume 2D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V02DT37A005, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59255
https://doi.org/10.1115/GT2021-59255
View Paper titled, Experimental and Numerical Investigation of Vaned Hub and Shroud Wall Contoured Diffusers Designed to Improve Flexibility and Efficiency of an Open Impeller Centrifugal Compressor Stage
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Topics: Compressors, Diffusers, Impellers, Design, Flow (Dynamics), Computational fluid dynamics, Engineering simulation, Mach number, Pressure, Probes
Journal Articles

Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension

Daniel Hermann, Manfred Wirsum, Douglas Robinson, Philipp Jenny
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091018.
Paper No: TURBO-21-1053
https://doi.org/10.1115/1.4051045
Published Online: July 14, 2021
View Article titled, Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension
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Topics: Design, Diffusers, Flow (Dynamics), Mach number, Stability, Compressors, Impellers, Computational fluid dynamics
Proceedings Papers

Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilising 3D Diffuser End Wall Contouring for Operating Range Extension

Daniel Hermann, Manfred Wirsum, Douglas Robinson, Philipp Jenny
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET39A017, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14782
https://doi.org/10.1115/GT2020-14782
View Paper titled, Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilising 3D Diffuser End Wall Contouring for Operating Range Extension
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Topics: Compressors, Diffusers, Impellers, Design, Flow (Dynamics), Mach number, Blades, Stability, Computation, Computational fluid dynamics
Journal Articles

Experimental Determination of Mechanical Stress Induced by Rotating Stall in Unshrouded Impellers of Centrifugal Compressors

Philipp Jenny, Yves Bidaut
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2017, 139(3): 031011.
Paper No: TURBO-16-1241
https://doi.org/10.1115/1.4034984
Published Online: December 1, 2016
View Article titled, Experimental Determination of Mechanical Stress Induced by Rotating Stall in Unshrouded Impellers of Centrifugal Compressors
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Topics: Blades, Impellers, Inlet guide vanes, Pressure, Stress, Compression, Resonance, Compressors, Strain gages, Pressure transducers
Proceedings Papers

Experimental Determination of Mechanical Stress Induced by Rotating Stall in Unshrouded Impellers of Centrifugal Compressors

Philipp Jenny, Yves Bidaut
Proc. ASME. GT2016, Volume 2D: Turbomachinery, V02DT42A010, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56436
https://doi.org/10.1115/GT2016-56436
View Paper titled, Experimental Determination of Mechanical Stress Induced by Rotating Stall in Unshrouded Impellers of Centrifugal Compressors
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Topics: Compressors, Impellers, Stress, Excitation, Pressure, Design, Blades, Compression, Flow (Dynamics), Fluctuations (Physics)
Journal Articles

Experimentally Observed Unsteady Work at Inlet to and Exit From an Axial Flow Turbine Rotor

Martin G. Rose, Philipp Jenny, Jochen Gier, Reza S. Abhari
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2013, 135(6): 061017.
Paper No: TURBO-12-1095
https://doi.org/10.1115/1.4023460
Published Online: September 13, 2013
View Article titled, Experimentally Observed Unsteady Work at Inlet to and Exit From an Axial Flow Turbine Rotor
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Topics: Pressure, Rotors, Turbines, Computational fluid dynamics
Proceedings Papers

Experimentally Observed Unsteady Work at Inlet to and Exit From an Axial Flow Turbine Rotor

Martin G. Rose, Philipp Jenny, Jochen Gier, Reza S. Abhari
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 2677-2686, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69207
https://doi.org/10.1115/GT2012-69207
View Paper titled, Experimentally Observed Unsteady Work at Inlet to and Exit From an Axial Flow Turbine Rotor
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Topics: Axial flow, Rotors, Turbines, Wakes, Pressure, Vortices, Cascades (Fluid dynamics), Computational fluid dynamics, Flow (Dynamics), Fluids
Journal Articles

Hot Streak Migration in a Turbine Stage: Integrated Design to Improve Aerothermal Performance

Altug M. Basol, Philipp Jenny, Mohamed Ibrahim, Anestis I. Kalfas, Reza S. Abhari
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. June 2011, 133(6): 061901.
https://doi.org/10.1115/1.4002349
Published Online: February 17, 2011
View Article titled, Hot Streak Migration in a Turbine Stage: Integrated Design to Improve Aerothermal Performance
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Topics: Blades, Flow (Dynamics), Particulate matter, Pressure, Rotors, Stators, Turbines, Design, Temperature, Temperature distribution