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Journal Articles

EFFECTS OF LOCALIZED NON-GAUSSIAN ROUGHNESS ON HIGH PRESSURE TURBINE AERO-THERMAL PERFORMANCE: CONVECTIVE HEAT TRANSFER, SKIN-FRICTION AND THE REYNOLDS' ANALOGY

Accepted Manuscript
Thomas Jelly, Massimiliano Nardini, Richard Sandberg, Paul Vitt, Greg Sluyter
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1286
https://doi.org/10.1115/1.4067354
Published Online: December 6, 2024
View Article titled, EFFECTS OF LOCALIZED NON-GAUSSIAN ROUGHNESS ON HIGH PRESSURE TURBINE AERO-THERMAL PERFORMANCE: CONVECTIVE HEAT TRANSFER, SKIN-FRICTION AND THE REYNOLDS' ANALOGY
Open the PDF for EFFECTS OF LOCALIZED NON-GAUSSIAN ROUGHNESS ON HIGH PRESSURE TURBINE AERO-THERMAL PERFORMANCE: CONVECTIVE HEAT TRANSFER, SKIN-FRICTION AND THE REYNOLDS' ANALOGY in another window
Topics: Boundary layers, Convection, Heat transfer, High pressure (Physics), Skin friction (Fluid dynamics), Surface roughness, Turbines, Turbochargers, Drag (Fluid dynamics), Computational fluid dynamics
Journal Articles

Advanced methods for assessing flow physics of the TU Darmstadt compressor stage: Uncertainty quantification of RANS turbulence modeling

Accepted Manuscript
Marcel Matha, Felix M. Möller, Christoph Bode, Christian Morsbach, Edmund Kuegeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1239
https://doi.org/10.1115/1.4067315
Published Online: December 4, 2024
View Article titled, Advanced methods for assessing flow physics of the TU Darmstadt compressor stage: Uncertainty quantification of RANS turbulence modeling
Open the PDF for Advanced methods for assessing flow physics of the TU Darmstadt compressor stage: Uncertainty quantification of RANS turbulence modeling in another window
Topics: Compressors, Flow (Dynamics), Modeling, Physics, Reynolds-averaged Navier–Stokes equations, Turbochargers, Turbulence, Uncertainty quantification
Journal Articles

UNSTEADY LOSS MECHANISMS IN LOW-PRESSURE TURBINES WITH DIVERGING END-WALLS STUDIED VIA HIGH-FIDELITY SIMULATION

Accepted Manuscript
Marco Rosenzweig, Melissa Kozul, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1296
https://doi.org/10.1115/1.4067294
Published Online: November 27, 2024
View Article titled, UNSTEADY LOSS MECHANISMS IN LOW-PRESSURE TURBINES WITH DIVERGING END-WALLS STUDIED VIA HIGH-FIDELITY SIMULATION
Open the PDF for UNSTEADY LOSS MECHANISMS IN LOW-PRESSURE TURBINES WITH DIVERGING END-WALLS STUDIED VIA HIGH-FIDELITY SIMULATION in another window
Topics: Pressure, Simulation, Turbines, Turbochargers, Wakes, Blades, Computational fluid dynamics, Engines, Flow (Dynamics), Boundary layers
Journal Articles

A Data-Driven Method for the Derivation of Explicit Algebraic Reynolds Stress Models Applied to the Wake Losses of Low-Pressure Turbine Cascades

Johannes Deutsch, Nima Fard Afshar, Stefan Henninger, Peter Jeschke
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2025, 147(6): 061007.
Paper No: TURBO-24-1188
https://doi.org/10.1115/1.4067032
Published Online: November 22, 2024
View Article titled, A Data-Driven Method for the Derivation of Explicit Algebraic Reynolds Stress Models Applied to the Wake Losses of Low-Pressure Turbine Cascades
Open the PDF for A Data-Driven Method for the Derivation of Explicit Algebraic Reynolds Stress Models Applied to the Wake Losses of Low-Pressure Turbine Cascades in another window
Topics: Kinetic energy, Optimization, Pressure, Reynolds stress, Simulation, Turbines, Turbulence, Wakes, Reynolds-averaged Navier–Stokes equations, Tensors
Journal Articles

Uncertainty Analysis of Laser Drilling Imperfection and Impacts on the Cooling Performance of a Transonic Turbine Vane

Accepted Manuscript
Mingyang Hao, Bo Bai, Jiawei Zhang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1072
https://doi.org/10.1115/1.4067244
Published Online: November 21, 2024
View Article titled, Uncertainty Analysis of Laser Drilling Imperfection and Impacts on the Cooling Performance of a Transonic Turbine Vane
Open the PDF for Uncertainty Analysis of Laser Drilling Imperfection and Impacts on the Cooling Performance of a Transonic Turbine Vane in another window
Topics: Cooling, Drilling, Lasers, Turbines, Turbochargers, Uncertainty analysis, Uncertainty quantification, Flow (Dynamics), Fluctuations (Physics), Algorithms
Journal Articles

SCALE-RESOLVING SIMULATIONS OF TURBULENT FLOW RETAINING THE EXACT BLADE COUNT WITH THE TIME-INCLINED METHOD

Accepted Manuscript
Miguel Montiel, Roque Corral
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1276
https://doi.org/10.1115/1.4067247
Published Online: November 21, 2024
View Article titled, SCALE-RESOLVING SIMULATIONS OF TURBULENT FLOW RETAINING THE EXACT BLADE COUNT WITH THE TIME-INCLINED METHOD
Open the PDF for SCALE-RESOLVING SIMULATIONS OF TURBULENT FLOW RETAINING THE EXACT BLADE COUNT WITH THE TIME-INCLINED METHOD in another window
Topics: Blades, Engineering simulation, Simulation, Turbochargers, Turbulence, Wakes, Cascades (Fluid dynamics), Computational fluid dynamics, Modeling, Pressure
Journal Articles

THE IMPACT OF INFLOW UNSTEADINESS ON LOSS PREDICTION

Accepted Manuscript
Pawel Przytarski, Davide Lengani, Richard Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1309
https://doi.org/10.1115/1.4067241
Published Online: November 21, 2024
View Article titled, THE IMPACT OF INFLOW UNSTEADINESS ON LOSS PREDICTION
Open the PDF for THE IMPACT OF INFLOW UNSTEADINESS ON LOSS PREDICTION in another window
Topics: Compressors, Design, Inflow, Turbochargers, Pressure, Computational fluid dynamics, Engineering simulation, Reynolds number, Simulation, Turbulence
Journal Articles

Noise Source Identification for the Unsteady Low-Pressure Turbine Flow Fields

Lanyi Yan, Daniele Simoni, Yigang Luan, Tao Sun, Dario Barsi, Pietro Zunino
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2025, 147(5): 051007.
Paper No: TURBO-24-1127
https://doi.org/10.1115/1.4066917
Published Online: November 12, 2024
View Article titled, Noise Source Identification for the Unsteady Low-Pressure Turbine Flow Fields
Open the PDF for Noise Source Identification for the Unsteady Low-Pressure Turbine Flow Fields in another window
Topics: Flow (Dynamics), Noise (Sound), Pressure, Rotors, Stators, Turbines, Turbulence, Principal component analysis, Blades
Journal Articles

THE COOLING EFFECT OF COMBUSTOR EXIT LOUVER SCHEME ON A TRANSONIC NOZZLE GUIDE VANE ENDWALL

Accepted Manuscript
Shuo Mao, Kaiyuan Zhang, Daniel Van Hout, Wing Ng, Hongzhou Xu, Michael Fox
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1041
https://doi.org/10.1115/1.4067121
Published Online: November 11, 2024
View Article titled, THE COOLING EFFECT OF COMBUSTOR EXIT LOUVER SCHEME ON A TRANSONIC NOZZLE GUIDE VANE ENDWALL
Open the PDF for THE COOLING EFFECT OF COMBUSTOR EXIT LOUVER SCHEME ON A TRANSONIC NOZZLE GUIDE VANE ENDWALL in another window
Topics: Combustion chambers, Computational fluid dynamics, Cooling, Gas turbines, Nozzle guide vanes, Turbochargers, Coolants, Flow (Dynamics), Cavities, Heat transfer
Journal Articles

LARGE EDDY SIMULATION OF AN OPEN FAN BLADE AT FULL-SCALE REYNOLDS NUMBER

Accepted Manuscript
Stephan Priebe, Eduardo Jourdan, Arash Mousavi, Ravish Karve, Suryapratim Chakrabarti, Luke D'Aquila, Junsok Yi, Mohammad Alhawwary, Varun Bharadwaj Ananthan, Kishore Ramakrishnan, Trevor Wood
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1164
https://doi.org/10.1115/1.4067098
Published Online: November 7, 2024
View Article titled, LARGE EDDY SIMULATION OF AN OPEN FAN BLADE AT FULL-SCALE REYNOLDS NUMBER
Open the PDF for LARGE EDDY SIMULATION OF AN OPEN FAN BLADE AT FULL-SCALE REYNOLDS NUMBER in another window
Topics: Blades, Design, Large eddy simulation, Reynolds number, Turbochargers, Engineering simulation, Simulation, Acoustics, Computational fluid dynamics, Flight
Journal Articles

Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms

Matteo Russo, Andrea Carlucci, Matteo Dellacasagrande, Daniele Petronio, Davide Lengani, Daniele Simoni, Juri Bellucci, Matteo Giovannini, Angelo A. Granata, Monica Gily, Carlotta Manca
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041005.
Paper No: TURBO-24-1304
https://doi.org/10.1115/1.4066818
Published Online: October 25, 2024
View Article titled, Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms
Open the PDF for Optimization of Low-Pressure Turbine Blade by Means of Fine Inspection of Loss Production Mechanisms in another window
Topics: Blades, Design, Flow (Dynamics), Optimization, Pressure, Turbulence, Wakes, Boundary layers, Large eddy simulation, Suction
Journal Articles

Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions

S. M. Ananth, Massimiliano Nardini, Melissa Kozul, Nagabhushana Rao Vadlamani, Richard D. Sandberg
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2025, 147(4): 041011.
Paper No: TURBO-24-1255
https://doi.org/10.1115/1.4066815
Published Online: October 25, 2024
View Article titled, Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions
Open the PDF for Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions in another window
Topics: Boundary layers, Flow (Dynamics), Reynolds number, Skin friction (Fluid dynamics), Surface roughness, Turbulence, Pressure, Simulation, Blades, Statistics
Journal Articles

DEVELOPMENT OF MACHINE-LEARNT TURBULENCE CLOSURES FOR WAKE MIXING PREDICTIONS IN LOW-PRESSURE TURBINES

Accepted Manuscript
Yuri Frey Marioni, Paolo Adami, Raul Vazquez Diaz, Andrea Cassinelli, Spencer J. Sherwin, Francesco Montomoli
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-22-1316
https://doi.org/10.1115/1.4066919
Published Online: October 17, 2024
View Article titled, DEVELOPMENT OF MACHINE-LEARNT TURBULENCE CLOSURES FOR WAKE MIXING PREDICTIONS IN LOW-PRESSURE TURBINES
Open the PDF for DEVELOPMENT OF MACHINE-LEARNT TURBULENCE CLOSURES FOR WAKE MIXING PREDICTIONS IN LOW-PRESSURE TURBINES in another window
Topics: Machinery, Pressure, Turbines, Turbochargers, Turbulence, Wakes, Artificial neural networks, Computational fluid dynamics, Aircraft engines, Algebra
Journal Articles

RANS Capabilities for Transonic Axial Compressor: A Perspective From GPPS Computational Fluid Dynamics Workshop

Xiao He, Fabian Klausmann
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021007.
Paper No: TURBO-24-1060
https://doi.org/10.1115/1.4066431
Published Online: October 8, 2024
View Article titled, RANS Capabilities for Transonic Axial Compressor: A Perspective From GPPS Computational Fluid Dynamics Workshop
Open the PDF for RANS Capabilities for Transonic Axial Compressor: A Perspective From GPPS Computational Fluid Dynamics Workshop in another window
Topics: Compressors, Computational fluid dynamics, Flow (Dynamics), Pressure, Reynolds-averaged Navier–Stokes equations, Rotors, Turbulence, Workshops (Work spaces), Stators, Simulation
Journal Articles

Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation

Christian Morsbach, Marcel Matha, Robin G. Brakmann, Sadiya Tabassum, Michael Bergmann, Michael Schroll, Christian Willert, Edmund Kügeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031002.
Paper No: TURBO-24-1139
https://doi.org/10.1115/1.4066508
Published Online: October 8, 2024
View Article titled, Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation
Open the PDF for Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation in another window
Topics: Cross-flow, Dynamics (Mechanics), Flow (Dynamics), Inflow, Jets, Large eddy simulation, Temperature, Turbulence, Impingement cooling, Heat transfer
Journal Articles

Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine

Chad B. Schaeffer, Michael D. Barringer, Stephen P. Lynch, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. March 2025, 147(3): 031003.
Paper No: TURBO-24-1190
https://doi.org/10.1115/1.4066560
Published Online: October 8, 2024
View Article titled, Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine
Open the PDF for Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine in another window
Topics: Combustion chambers, Flow (Dynamics), Temperature, Turbines, Design, Computational fluid dynamics, Turbulence, Temperature profiles, Simulation, Engines
Journal Articles

The Effect of Unsteady Inlet Boundary Conditions on the Aero-Thermal Behavior of High-Pressure Turbine Vanes – A Numerical Study Using Scale-Resolving Simulations

Jonathan Gründler, Knut Lehmann, Heinz-Peter Schiffer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011002.
Paper No: TURBO-23-1201
https://doi.org/10.1115/1.4065858
Published Online: September 3, 2024
View Article titled, The Effect of Unsteady Inlet Boundary Conditions on the Aero-Thermal Behavior of High-Pressure Turbine Vanes – A Numerical Study Using Scale-Resolving Simulations
Open the PDF for The Effect of Unsteady Inlet Boundary Conditions on the Aero-Thermal Behavior of High-Pressure Turbine Vanes – A Numerical Study Using Scale-Resolving Simulations in another window
Topics: Boundary-value problems, Simulation, Turbines, Turbulence, High pressure (Physics), Reynolds-averaged Navier–Stokes equations, Flow (Dynamics), Nozzle guide vanes, Combustion chambers
Journal Articles

Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow

Zhiyu Li, Kaiyuan Zhang, Zhigang Li, Jun Li
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011011.
Paper No: TURBO-24-1162
https://doi.org/10.1115/1.4066272
Published Online: September 3, 2024
View Article titled, Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow
Open the PDF for Aerothermal Performance of Slashface Leakage With Double Surface Angle Under Realistic Swirling Inflow in another window
Topics: Cascades (Fluid dynamics), Coolants, Design, Film cooling, Flow (Dynamics), Heat transfer, Inflow, Leakage, Pressure, Swirling flow
Journal Articles

Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows

Xiao He, Francesco Montomoli, Vittorio Michelassi, Andrea Panizza, Leonardo Pulga
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011009.
Paper No: TURBO-24-1115
https://doi.org/10.1115/1.4066276
Published Online: September 3, 2024
View Article titled, Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows
Open the PDF for Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows in another window
Topics: Anisotropy, Cooling, Film cooling, Flow (Dynamics), Heat flux, Reynolds-averaged Navier–Stokes equations, Stress tensors, Turbulence, Vortex shedding, Kinetic energy
Journal Articles

Impact of Lean-Burn Combustor Flow on Nozzle Guide Vane Performance

Jonas Amend, Nafiz Chowdhury, Thomas Povey
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011001.
Paper No: TURBO-23-1329
https://doi.org/10.1115/1.4065701
Published Online: August 6, 2024
View Article titled, Impact of Lean-Burn Combustor Flow on Nozzle Guide Vane Performance
Open the PDF for Impact of Lean-Burn Combustor Flow on Nozzle Guide Vane Performance in another window
Topics: Combustion chambers, Computational fluid dynamics, Coolants, Flow (Dynamics), Nozzle guide vanes, Temperature, Turbulence, Pressure