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Journal Articles

Modeling Stochastical Particle Rebound based on High Velocity Experiments

Accepted Manuscript
Jan Hartmann, Christian Koch, Stephan Staudacher
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1117
https://doi.org/10.1115/1.4066810
Published Online: October 9, 2024
View Article titled, Modeling Stochastical Particle Rebound based on High Velocity Experiments
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Topics: Computational fluid dynamics, Modeling, Particulate matter, Turbochargers, Compressors, Computation, Computer simulation, Computer software, Cylinder tests (Concrete), Erosion
Journal Articles

Impacts of Material and Machine on the Variation of Additively Manufactured Cooling Channels

Abbigail Y. Altland, Thomas M. Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031006.
Paper No: TURBO-24-1178
https://doi.org/10.1115/1.4066580
Published Online: October 8, 2024
View Article titled, Impacts of Material and Machine on the Variation of Additively Manufactured Cooling Channels
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Topics: Cooling, Heat transfer, Machinery, Surface roughness, Additive manufacturing, Friction, Diamonds, surface morphology, Design, Geometry
Journal Articles

Impacts of Superalloys on the Surface Quality of Additively Manufactured Channels

Thomas M. Corbett, Karen A. Thole, Daniel Ryan, Sudhakar Bollapragada
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081003.
Paper No: TURBO-23-1213
https://doi.org/10.1115/1.4064468
Published Online: March 11, 2024
View Article titled, Impacts of Superalloys on the Surface Quality of Additively Manufactured Channels
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Topics: Additive manufacturing, Alloys, Cooling, Design, Flow (Dynamics), Friction, Heat transfer, Lasers, Nickel alloys, Pressure
Journal Articles

Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures

Roberto Pacciani, Michele Marconcini, Andrea Arnone, Francesco Bertini, Ennio Spano, Simone Rosa Taddei, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051009.
Paper No: TURBO-23-1186
https://doi.org/10.1115/1.4064312
Published Online: January 16, 2024
View Article titled, Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Machinery, Pressure, Reynolds number, Reynolds-averaged Navier–Stokes equations, Turbines, Turbulence, Wakes
Journal Articles

Multidisciplinary Design of an Electrically Powered High-Lift System

Niklas Maroldt, Stefanie Lohse, Matthias Kalla, Bernd Ponick, Joerg R. Seume
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101001.
Paper No: TURBO-23-1002
https://doi.org/10.1115/1.4062677
Published Online: June 26, 2023
View Article titled, Multidisciplinary Design of an Electrically Powered High-Lift System
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Topics: Compressors, Design, Optimization, Machinery, Electrical components
Journal Articles

Impact of Operating Conditions and Axial Casing Grooves on the Evolution of Flow Structure Across Blade Rows in an Axial Compressor

Ayush Saraswat, Subhra Shankha Koley, Joseph Katz
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071002.
Paper No: TURBO-22-1261
https://doi.org/10.1115/1.4056697
Published Online: February 9, 2023
View Article titled, Impact of Operating Conditions and Axial Casing Grooves on the Evolution of Flow Structure Across Blade Rows in an Axial Compressor
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Topics: Blades, Compressors, Flow (Dynamics), Rotors, Vorticity, Stators, Vortices, Pressure, Leakage flows, Machinery
Journal Articles

New Concept for Design in Turbomachinery Applications Using Full RANS Gradient Methodology

Armando Del Rio, Ernesto Casartelli, Benno Fleischli, Luca Mangani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041009.
Paper No: TURBO-22-1256
https://doi.org/10.1115/1.4055869
Published Online: November 7, 2022
View Article titled, New Concept for Design in Turbomachinery Applications Using Full RANS Gradient Methodology
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Topics: Compressors, Computational fluid dynamics, Deformation, Design, Diffusers, Flow (Dynamics), Geometry, Machinery, Optimization, Pressure
Journal Articles

Impacts of the Additive Manufacturing Process on the Roughness of Engine Scale Vanes and Cooling Channels

Alexander J. Wildgoose, Karen A. Thole, Ramesh Subramanian, Lisa Kersting, Anand Kulkarni
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2023, 145(4): 041013.
Paper No: TURBO-22-1160
https://doi.org/10.1115/1.4055973
Published Online: November 7, 2022
View Article titled, Impacts of the Additive Manufacturing Process on the Roughness of Engine Scale Vanes and Cooling Channels
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Topics: Surface roughness, Cooling, Wall thickness, Machinery, Lasers
Journal Articles

Efficiency Scaling: Influence of Reynolds and Mach Numbers on Fan Performance

Peter F. Pelz, Sebastian Saul, Johannes Brötz
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061001.
Paper No: TURBO-20-1106
https://doi.org/10.1115/1.4053172
Published Online: January 28, 2022
View Article titled, Efficiency Scaling: Influence of Reynolds and Mach Numbers on Fan Performance
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Topics: Fans, Flow (Dynamics), Friction, Mach number, Pressure, Reynolds number, Machinery, Impellers, Surface roughness
Journal Articles

Non-Dimensional Parameters for Comparing Conventional and Counter-Rotating Turbomachines

J. J. Waldren, C. J. Clark, S. D. Grimshaw, G. Pullan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. December 2021, 143(12): 121006.
Paper No: TURBO-20-1324
https://doi.org/10.1115/1.4051559
Published Online: July 5, 2021
View Article titled, Non-Dimensional Parameters for Comparing Conventional and Counter-Rotating Turbomachines
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Topics: Blades, Design, Turbomachinery, Flow (Dynamics), Turbines, Rotation, Machinery, Computational fluid dynamics, Compressors
Journal Articles

Aerodynamic Investigation of a Composite Low-Speed Fan for UHBR Application

Martin Rodrigues, Laurent Soulat, Benoit Paoletti, Xavier Ottavy, Christoph Brandstetter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101004.
Paper No: TURBO-20-1413
https://doi.org/10.1115/1.4050671
Published Online: May 12, 2021
View Article titled, Aerodynamic Investigation of a Composite Low-Speed Fan for UHBR Application
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Topics: Blades, Composite materials, Design, Flow (Dynamics), Leakage, Pressure, Reynolds-averaged Navier–Stokes equations, Rotors, Simulation, Turbulence
Journal Articles

A Machine-Learnt Wall Function for Rotating Diffusers

Lorenzo Tieghi, Alessandro Corsini, Giovanni Delibra, Francesco Aldo Tucci
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2021, 143(8): 081012.
Paper No: TURBO-20-1368
https://doi.org/10.1115/1.4050442
Published Online: May 3, 2021
View Article titled, A Machine-Learnt Wall Function for Rotating Diffusers
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Topics: Algorithms, Computer simulation, Diffusers, Flow (Dynamics), Machinery, Modeling, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Machine learning
Journal Articles

Machine-Learnt Turbulence Closures for Low-Pressure Turbines With Unsteady Inflow Conditions

H. D. Akolekar, R. D. Sandberg, N. Hutchins, V. Michelassi, G. Laskowski
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2019, 141(10): 101009.
Paper No: TURBO-18-1305
https://doi.org/10.1115/1.4043907
Published Online: September 30, 2019
View Article titled, Machine-Learnt Turbulence Closures for Low-Pressure Turbines With Unsteady Inflow Conditions
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Topics: Errors, Flow (Dynamics), Physics, Turbulence, Wakes, Inflow, Approximation, Locks (Waterways), Model development, Pressure
Journal Articles

Special Issue on the 17th ISROMAC Conference

Kenneth C. Hall, Olivier Coutier-Delgosha
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Editorial
J. Turbomach. February 2019, 141(2): 020201.
Paper No: TURBO-19-1013
https://doi.org/10.1115/1.4042566
Published Online: January 31, 2019
View Article titled, Special Issue on the 17th ISROMAC Conference
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Topics: Aerodynamics, Aeroelasticity, Turbomachinery, Machinery, Aerodynamic noise, Dynamics (Mechanics), Flow (Dynamics), Heat transfer, Leakage, Mechanical engineers
Journal Articles

Applying Machine Learnt Explicit Algebraic Stress and Scalar Flux Models to a Fundamental Trailing Edge Slot

R. D. Sandberg, R. Tan, J. Weatheritt, A. Ooi, A. Haghiri, V. Michelassi, G. Laskowski
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2018, 140(10): 101008.
Paper No: TURBO-18-1202
https://doi.org/10.1115/1.4041268
Published Online: September 28, 2018
View Article titled, Applying Machine Learnt Explicit Algebraic Stress and Scalar Flux Models to a Fundamental Trailing Edge Slot
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Topics: Anisotropy, Heat flux, Large eddy simulation, Reynolds-averaged Navier–Stokes equations, Scalars, Stress, Tensors, Turbulence, Eddies (Fluid dynamics), Algebra
Journal Articles

Generic Properties of Flows in Low-Speed Axial Fans Operating at Load-Controlled Windmill

Aurélie Ortolan, Suk-Kee Courty-Audren, Massyl Lagha, Nicolas Binder, Xavier Carbonneau, Florent Challas
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2018, 140(8): 081002.
Paper No: TURBO-18-1006
https://doi.org/10.1115/1.4040678
Published Online: July 24, 2018
View Article titled, Generic Properties of Flows in Low-Speed Axial Fans Operating at Load-Controlled Windmill
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Topics: Blades, Compressors, Fans, Flow (Dynamics), Machinery, Rotors, Stress, Turbines
Journal Articles

Analysis of the Rotordynamic Response of a Centrifugal Compressor Subject to Aerodynamic Loads Due to Rotating Stall

Davide Biliotti, Alessandro Bianchini, Giuseppe Vannini, Elisabetta Belardini, Marco Giachi, Libero Tapinassi, Lorenzo Ferrari, Giovanni Ferrara
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. February 2015, 137(2): 021002.
Paper No: TURBO-14-1148
https://doi.org/10.1115/1.4028246
Published Online: September 10, 2014
View Article titled, Analysis of the Rotordynamic Response of a Centrifugal Compressor Subject to Aerodynamic Loads Due to Rotating Stall
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Topics: Compressors, Databases, Flow (Dynamics), Impellers, Stress, Vibration, Pressure, Stiffness, Machinery
Journal Articles

MEMS-Scale Turbomachinery Based Vacuum Roughing Pump

Anthony J. Gannon, Garth V. Hobson, Michael J. Shea, Christopher S. Clay, Knox T. Millsaps
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. October 2014, 136(10): 101002.
Paper No: TURBO-14-1070
https://doi.org/10.1115/1.4027971
Published Online: July 15, 2014
View Article titled, MEMS-Scale Turbomachinery Based Vacuum Roughing Pump
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Topics: Blades, Boundary-value problems, Flow (Dynamics), Grinding, Microelectromechanical systems, Pressure, Pumps, Rotors, Simulation, Turbomachinery
Journal Articles

Experimental Study of Surge Precursors in a High-Speed Multistage Compressor

Nicolas Courtiade, Xavier Ottavy
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2013, 135(6): 061018.
Paper No: TURBO-12-1152
https://doi.org/10.1115/1.4023462
Published Online: September 13, 2013
View Article titled, Experimental Study of Surge Precursors in a High-Speed Multistage Compressor
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Topics: Compressors, Pressure, Rotors, Surges, Flow (Dynamics), Machinery, Control systems, Sensors
Journal Articles

Calculation of the Time-Averaged Flow in Squirrel-Cage Blowers by Substituting Blades With Equivalent Forces

Markus Tremmel, Dale B. Taulbee
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2008, 130(3): 031001.
https://doi.org/10.1115/1.2775483
Published Online: April 1, 2008
View Article titled, Calculation of the Time-Averaged Flow in Squirrel-Cage Blowers by Substituting Blades With Equivalent Forces
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Topics: Blades, Flow (Dynamics), Pressure, Machinery