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Keywords: computational fluid dynamics (CFD)
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Journal Articles

Analysis of High-order Source Terms in Throughflow Solutions

Accepted Manuscript
Hao Yu, Jiancheng Zhang, Yuchen Dai, Donghai Jin, Xingmin Gui
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-23-1275
https://doi.org/10.1115/1.4066790
Published Online: October 4, 2024
... . 27 09 2023 23 09 2024 24 09 2024 04 10 2024 Computational Fluid Dynamics (CFD) Fan, compressor, and turbine aerodynamic design National Natural Science Foundation of China 10.13039/501100001809 52376021 Natural Science Foundation of Jiangxi Province...
View Article titled, Analysis of High-order Source Terms in Throughflow Solutions
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Topics: Compressors, Computational fluid dynamics, Design, Errors, Flow (Dynamics), Fluctuations (Physics), Modeling, Numerical analysis, Pressure, Turbines
Journal Articles

Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity CFD and a Novel Impeller Diffusion Factor

Accepted Manuscript
Yiming Liu, Stephen W T Spence, John Horsley, Stuart Mann, Charles Stuart
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1242
https://doi.org/10.1115/1.4066742
Published Online: September 30, 2024
... 2024 23 09 2024 30 09 2024 Email: liuy17@tcd.ie Email: spences@tcd.ie Email: j.horsley72@gmail.com Email: stuart.j.mann@cummins.com Email: stuartch@tcd.ie Centrifugal compressors and pumps Compressor stall, surge, and operability Computational Fluid Dynamics (CFD...
View Article titled, Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity CFD and a Novel Impeller Diffusion Factor
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Topics: Compressors, Computational fluid dynamics, Diffusion (Physics), Impellers, Stability, Surges, Turbochargers
Journal Articles

Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 1: Augmenting the Cooling Law for Non-isothermal Wall

Accepted Manuscript
L. He
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1159
https://doi.org/10.1115/1.4066671
Published Online: September 25, 2024
... by) the velocity field. Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 12 07 2024 18 09 2024 18 09 2024 25 09 2024 Email: li.he@eng.ox.ac.uk Computational Fluid Dynamics (CFD) Heat transfer...
View Article titled, Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 1: Augmenting the Cooling Law for Non-isothermal Wall
Open the PDF for Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 1: Augmenting the Cooling Law for Non-isothermal Wall in another window
Topics: Cooling, Design, Heat transfer coefficients, Turbochargers, Temperature, Computational fluid dynamics, Flow (Dynamics), Film cooling, Heat, Heat transfer
Journal Articles

Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 2: Leveraging Diabatic Wall Conditioning for Nonlinear Regime

Accepted Manuscript
L. He
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1160
https://doi.org/10.1115/1.4066672
Published Online: September 25, 2024
... of the present approach and method implementation. Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 12 07 2024 18 09 2024 18 09 2024 25 09 2024 Email: li.he@eng.ox.ac.uk Computational Fluid...
View Article titled, Spectral Heat Transfer Coefficient (SHTC) for Thermal Design Analysis - Part 2: Leveraging Diabatic Wall Conditioning for Nonlinear Regime
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Topics: Design, Heat transfer, Heat transfer coefficients, Turbochargers, Temperature, Computational fluid dynamics, Blades, Cooling, Diffusion (Physics), Film cooling
Journal Articles

A Simplified Injection Model for Variable Area Turbine Fluidic Throttling

Accepted Manuscript
Alexander Spens, Evan McFadden, Cole Westrick, Jeffrey Bons
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1204
https://doi.org/10.1115/1.4066673
Published Online: September 25, 2024
... Email: bons.2@osu.edu Computational Fluid Dynamics (CFD) Fan, compressor, and turbine aerodynamic design fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Journal of Turbomachinery. Received July 29, 2024; Accepted manuscript posted...
View Article titled, A Simplified Injection Model for Variable Area Turbine Fluidic Throttling
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Topics: Computational fluid dynamics, Design, Turbines, Turbochargers
Journal Articles

FLOW AND HEAT TRANSFER IN A RIBBED CONVERGING-DIVERGING U-DUCT UNDER ROTATING AND NON-ROTATING CONDITIONS

Accepted Manuscript
Wanjae Kim, Tom I-P. Shih, Kenneth Mark Bryden, Richard Dalton, Sung Yong Chang, Gyu Sang Park
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1143
https://doi.org/10.1115/1.4066567
Published Online: September 18, 2024
... 21 08 2024 18 09 2024 Computational Fluid Dynamics (CFD) Heat transfer and film cooling Journal of Turbomachinery. Received July 04, 2024; Accepted manuscript posted August 21, 2024. doi:10.1115/1.4066567 Copyright © 2024 by ASME Revised Version (Section 4 Updated) Proceedings...
View Article titled, FLOW AND HEAT TRANSFER IN A RIBBED CONVERGING-DIVERGING U-DUCT UNDER ROTATING AND NON-ROTATING CONDITIONS
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Topics: Ducts, Flow (Dynamics), Heat transfer, Turbochargers
Journal Articles

Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs

Accepted Manuscript
Thomas Corbett, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1197
https://doi.org/10.1115/1.4066581
Published Online: September 18, 2024
... of T urbomachinery . 27 07 2024 05 09 2024 05 09 2024 18 09 2024 Computational Fluid Dynamics (CFD) Heat transfer and film cooling Office of Energy Efficiency and Renewable Energy 10.13039/100006134 DE-AC05-00OR22725 Journal of Turbomachinery. Received...
View Article titled, Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs
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Topics: Additive manufacturing, Heat transfer, Pressure, Turbochargers
Journal Articles

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

Accepted Manuscript
Chad Schaeffer, Michael Barringer, Stephen Lynch, Karen A. Thole
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1190
https://doi.org/10.1115/1.4066560
Published Online: September 13, 2024
... controlled air mass flow distributions and source flow temperatures. To aid in the simulator design, computational fluid dynamics (CFD) simulations using Reynolds-averaged Navier Stokes modeling were conducted with a two-level Design of Experiments (DOE) approach to determine a number of engine...
View Article titled, Influence of Dilution and Effusion Flows in Generating Variable Inlet Profiles for a High-Pressure Turbine
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Topics: Computational fluid dynamics, Flow (Dynamics), Gas turbines, High pressure (Physics), Turbines, Turbochargers, Combustion chambers, Temperature, Cooling, Design
Journal Articles

The matching mechanism and flow mechanisms of supersonic through-flow variable-pitch tandem cascade

Accepted Manuscript
Xiaoying Sheng, Ziliang Li, Yunfeng Wu, Hang Yuan, Chengwu Yang, Xingen Lu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1085
https://doi.org/10.1115/1.4066507
Published Online: September 11, 2024
...: yuanhang@iet.cn Email: xingenlu@hotmail.com Email: yangchengwu2015@163.com Contributed by the International Gas Turbine Institute (IGTI) of ASME for publication in the J ournal of T urbomachinery . 08 05 2024 03 09 2024 04 09 2024 11 09 2024 Computational Fluid...
View Article titled, The matching mechanism and flow mechanisms of supersonic through-flow variable-pitch tandem cascade
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Turbochargers, Blades, Chords (Trusses), Boundary layers, Compressors, Computational fluid dynamics, Pressure, Shock (Mechanics)
Journal Articles

Investigating the unsteady dynamics of a multi-jet impingement cooling flow using large eddy simulation

Accepted Manuscript
Christian Morsbach, Marcel Matha, Robin Georg Brakmann, Sadiya Tabassum, Michael Bergmann, Michael Schroll, Christian Willert, Edmund Kuegeler
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1139
https://doi.org/10.1115/1.4066508
Published Online: September 11, 2024
... urbomachinery . 01 07 2024 05 08 2024 07 08 2024 11 09 2024 Computational Fluid Dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines Heat transfer and film cooling Accepted Manuscript Not Copyedited Journal...
View Article titled, Investigating the unsteady dynamics of a multi-jet impingement cooling flow using large eddy simulation
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Topics: Dynamics (Mechanics), Flow (Dynamics), Heat transfer, Impingement cooling, Large eddy simulation, Turbochargers, Jets, Computational fluid dynamics, Cross-flow, Compressors
Journal Articles

Data-Driven Radial Compressor Design Space Mapping

J. Brind
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021001.
Paper No: TURBO-24-1111
https://doi.org/10.1115/1.4066229
Published Online: September 10, 2024
... Graphical Abstract Figure centrifugal compressors and pumps computational fluid dynamics (CFD) compressor aerodynamic design To make multidisciplinary compromises, a turbomachinery engineer needs estimates of efficiency at an early stage in the design process. Weight and cost...
View Article titled, Data-Driven Radial Compressor Design Space Mapping
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Topics: Compressors, Design, Polynomials, Flow (Dynamics)
Journal Articles

Convergence Acceleration of Favre-Averaged Non-Linear Harmonic Method

Feng Wang, Kurt Weber, David Radford, Luca di Mare, Marcus Meyer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. February 2025, 147(2): 021002.
Paper No: TURBO-23-1334
https://doi.org/10.1115/1.4066267
Published Online: September 10, 2024
..., this approach ignores the interactions between stochastic and periodic perturbations; besides, the frequencies of the periodic perturbations normally need to be known a priori. Computational fluid dynamics (CFD) has been routinely used in the aerodynamic design of fluid machinery. A fluid machinery (i.e...
View Article titled, Convergence Acceleration of Favre-Averaged Non-Linear Harmonic Method
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Topics: Flow (Dynamics), Compressors
Journal Articles

Resolvent Analysis for Subsonic Compressor With Impedance Boundary Condition Casing Treatment

Dakun Sun, Jiahao Hu, Ruize Xu, Jia Li, Xu Dong, Dengke Xu, Xiaofeng Sun
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011006.
Paper No: TURBO-24-1036
https://doi.org/10.1115/1.4066148
Published Online: September 3, 2024
... compressor stall casing treatment linear stability analysis computational fluid dynamics (CFD) fluid dynamics phenomena in compressor components of gas turbine engines National Natural Science Foundation of China 10.13039/501100001809 52325602 The design requirements for thrust...
View Article titled, Resolvent Analysis for Subsonic Compressor With Impedance Boundary Condition Casing Treatment
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Topics: Boundary-value problems, Compressors, Optimization, Stall inception, Pressure, Rotors, Design, Flow (Dynamics), Blades
Journal Articles

Investigation of the Discharge Coefficient for Laidback Fan-Shaped Holes on Turbine Blades Under Internal Crossflow Condition

Haoyang Liu, Qiang Du, Qingzong Xu, Hongye Li, Guangyao Xu
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2025, 147(1): 011005.
Paper No: TURBO-24-1087
https://doi.org/10.1115/1.4066145
Published Online: September 3, 2024
... 23 07 2024 03 09 2024 Graphical Abstract Figure computational fluid dynamics (CFD) heat transfer and film cooling turbine blade and measurement advancements National Natural Science Foundation of China 10.13039/501100001809 52106064 Film cooling...
View Article titled, Investigation of the Discharge Coefficient for Laidback Fan-Shaped Holes on Turbine Blades Under Internal Crossflow Condition
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Topics: Blades, Coolants, Discharge coefficient, Flow (Dynamics), Pressure, Suction, Turbine blades, Reynolds number
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
... Abstract Figure computational fluid dynamics (CFD) fluid dynamics and heat transfer phenomena in compressor and turbine components of gas turbine engines heat transfer and film cooling Baker Hughes 10.13039/100006487 PA3111 Future trends toward efficient and clean energy...
View Article titled, Characteristics of Deterministic and Stochastic Unsteadiness of Trailing Edge Cutback Film Cooling Flows
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Topics: Anisotropy, Cooling, Film cooling, Flow (Dynamics), Heat flux, Reynolds-averaged Navier–Stokes equations, Stress tensors, Turbulence, Vortex shedding, Kinetic energy
Journal Articles

RANS Capabilities for Transonic Axial Compressor: A Perspective from GPPS CFD Workshop

Accepted Manuscript
Xiao He, Fabian Klausmann
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1060
https://doi.org/10.1115/1.4066431
Published Online: September 3, 2024
... for compressors, this paper presents a statistical analysis of RANS simulation results submitted to the first and the second Global Power and Propulsion Society (GPPS) computational fluid dynamics (CFD) workshops, where blind tests on the TUDa-GLR-OpenStage transonic axial compressor were performed. The workshops...
View Article titled, RANS Capabilities for Transonic Axial Compressor: A Perspective from GPPS CFD Workshop
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Topics: Compressors, Computational fluid dynamics, Reynolds-averaged Navier–Stokes equations, Turbochargers, Workshops (Work spaces)
Journal Articles

Aerodynamic Performance Prediction for Wide-Incidence Turbines Using Graph Neural Network Models Driven by Small-Scale Experimental Data

Accepted Manuscript
Tianyou Chen, Le Cai, Jun Zeng, Weitao Zhang, Songtao Wang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1089
https://doi.org/10.1115/1.4066432
Published Online: September 3, 2024
...-scale experimental dataset. By comparing the backpropagation neural network (BPnn) model and computational fluid dynamics (CFD) results, it is demonstrated that GNNs with appropriately designed graph structures can accurately and quickly predict high-fidelity aerodynamic parameters based on limited...
View Article titled, Aerodynamic Performance Prediction for Wide-Incidence Turbines Using Graph Neural Network Models Driven by Small-Scale Experimental Data
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Topics: Computational fluid dynamics, Graph neural networks, Turbines, Turbochargers, Blades, Turbine blades, Artificial neural networks, Design, Errors, Modeling
Journal Articles

GUIDELINE FOR LARGE-SCALE ANALYSIS OF CENTRIFUGAL BLOWER USING WALL-RESOLVED LARGE EDDY SIMULATION

Accepted Manuscript
Kazuhiro Tsukamoto, Chisachi Kato
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1116
https://doi.org/10.1115/1.4066277
Published Online: August 20, 2024
... Computational Fluid Dynamics (CFD) Journal of Turbomachinery. Received June 19, 2024; Accepted manuscript posted August 08, 2024. doi:10.1115/1.4066277 Copyright © 2024 by ASME TURBO-24-1116 Accepted Manuscript Not Copyedited GUIDELINE FOR LARGE-SCALE ANALYSIS OF CENTRIFUGAL BLOWER USING WALL-RESOLVED LARGE...
View Article titled, GUIDELINE FOR LARGE-SCALE ANALYSIS OF CENTRIFUGAL BLOWER USING WALL-RESOLVED LARGE EDDY SIMULATION
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Topics: Large eddy simulation, Turbochargers, Pressure, Design, Computational fluid dynamics, Diffusers, Geometry, Impellers, Vortices, Compressible flow
Journal Articles

The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 3: Mechanisms of Shock Oscillation

Accepted Manuscript
Edwin Joseph Munoz Lopez, Alexander Hergt, Joachim Klinner, Bjoern F. Klose, Christian Willert, Volker Gümmer
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach.
Paper No: TURBO-24-1157
https://doi.org/10.1115/1.4066186
Published Online: August 7, 2024
... 2024 Compressor stall, surge, and operability Computational Fluid Dynamics (CFD) Fan, compressor, and turbine aerodynamic design Measurement techniques Directorate-General for Research and Innovation 10.13039/100004431 EC grant 860909 Accepted Manuscript Not Copyedited...
View Article titled, The Unsteady Shock-Boundary Layer Interaction in a Compressor Cascade – Part 3: Mechanisms of Shock Oscillation
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Topics: Cascades (Fluid dynamics), Compressors, Oscillations, Shock (Mechanics), Turbochargers, Computational fluid dynamics, Pressure, Unsteady flow, Waves, Blades
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
...-dimensional total temperature. Experimental data is compared to computational fluid dynamics (CFD) simulations. Fully-featured NGV geometry (including film cooling holes and internal passages) was used, to account for internal cooling flow redistribution resulting from altered external loading. We show...
View Article titled, Impact of Lean-Burn Combustor Flow on Nozzle Guide Vane Performance
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Topics: Combustion chambers, Computational fluid dynamics, Coolants, Flow (Dynamics), Nozzle guide vanes, Temperature, Turbulence, Pressure