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Journal Articles

Investigation on Flow Characteristics and Its Effect on Heat Transfer Enhancement in a Wide Channel With Staggered Diamond-S Pin Fins

Jingtian Duan, Ke Zhang, Jin Xu, Jiang Lei, Junmei Wu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2023, 145(9): 091004.
Paper No: TURBO-22-1310
DOI: https://doi.org/10.1115/1.4062502
Published Online: May 22, 2023
View Article titled, Investigation on Flow Characteristics and Its Effect on Heat Transfer Enhancement in a Wide Channel With Staggered Diamond-S Pin Fins
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Topics: Diamonds, Fins, Flow (Dynamics), Heat transfer, Shear (Mechanics), Vortex shedding
Journal Articles

Investigation on the Contribution of Large-Scale Fluctuation and Small-Scale Disturbance of Coolant to Heat Transfer Enhancement in a Rectangular Channel With Pin Fins

Jingtian Duan, Ke Zhang, Jin Xu, Jiang Lei, Junmei Wu
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2022, 144(7): 071014.
Paper No: TURBO-21-1233
DOI: https://doi.org/10.1115/1.4054446
Published Online: May 27, 2022
View Article titled, Investigation on the Contribution of Large-Scale Fluctuation and Small-Scale Disturbance of Coolant to Heat Transfer Enhancement in a Rectangular Channel With Pin Fins
Click here to open pdf in another window PDF for Investigation on the Contribution of Large-Scale Fluctuation and Small-Scale Disturbance of Coolant to Heat Transfer Enhancement in a Rectangular Channel With Pin Fins
Topics: Fins, Flow (Dynamics), Heat transfer, Statistics, Turbulence, Pins (Engineering), Shear (Mechanics), Reynolds number, Fluctuations (Physics), Principal component analysis
Journal Articles

Effect of the Axial Casing Groove Geometry on the Production and Distribution of Reynolds Stresses in the Tip Region of an Axial Compressor Rotor

Subhra Shankha Koley, Ayush Saraswat, Huang Chen, Joseph Katz
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2022, 144(9): 091007.
Paper No: TURBO-21-1216
DOI: https://doi.org/10.1115/1.4053566
Published Online: March 4, 2022
View Article titled, Effect of the Axial Casing Groove Geometry on the Production and Distribution of Reynolds Stresses in the Tip Region of an Axial Compressor Rotor
Click here to open pdf in another window PDF for Effect of the Axial Casing Groove Geometry on the Production and Distribution of Reynolds Stresses in the Tip Region of an Axial Compressor Rotor
Topics: Blades, Flow (Dynamics), Stress, Turbulence, Rotors, Outflow, Shear (Mechanics), Compressors, Kinetic energy
Journal Articles

Effects of Axial Casing Grooves on the Structure of Turbulence in the Tip Region of an Axial Turbomachine Rotor

Huang Chen, Yuanchao Li, Subhra Shankha Koley, Joseph Katz
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. September 2021, 143(9): 091009.
Paper No: TURBO-20-1388
DOI: https://doi.org/10.1115/1.4050605
Published Online: May 11, 2021
View Article titled, Effects of Axial Casing Grooves on the Structure of Turbulence in the Tip Region of an Axial Turbomachine Rotor
Click here to open pdf in another window PDF for Effects of Axial Casing Grooves on the Structure of Turbulence in the Tip Region of an Axial Turbomachine Rotor
Topics: Flow (Dynamics), Stress, Turbulence, Corners (Structural elements), Vortices, Blades, Anisotropy, Turbomachinery, Shear (Mechanics)
Journal Articles

Theory of Non-Dimensional Groups in Film Effectiveness Studies

Francesco Ornano, Thomas Povey
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2020, 142(4): 041002.
Paper No: TURBO-19-1075
DOI: https://doi.org/10.1115/1.4046277
Published Online: February 26, 2020
View Article titled, Theory of Non-Dimensional Groups in Film Effectiveness Studies
Click here to open pdf in another window PDF for Theory of Non-Dimensional Groups in Film Effectiveness Studies
Topics: Coolants, Density, Film cooling, Flow (Dynamics), Momentum, Specific heat, Temperature, Reynolds-averaged Navier–Stokes equations, Shear (Mechanics), Cooling
Journal Articles

Flow Dynamics of a Film Cooling Jet Issued From a Round Hole Embedded in Contoured Crater

Prasad Kalghatgi, Sumanta Acharya
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. August 2019, 141(8): 081006.
Paper No: TURBO-18-1232
DOI: https://doi.org/10.1115/1.4043071
Published Online: March 22, 2019
View Article titled, Flow Dynamics of a Film Cooling Jet Issued From a Round Hole Embedded in Contoured Crater
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Topics: Cooling, Film cooling, Flow (Dynamics), Shear (Mechanics), Vortices, Coolants, Vorticity
Journal Articles

Correlations for the Prediction of Intermittency and Turbulent Spot Production Rate in Separated Flows

M. Dellacasagrande, R. Guida, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. March 2019, 141(3): 031003.
Paper No: TURBO-18-1164
DOI: https://doi.org/10.1115/1.4042066
Published Online: January 16, 2019
View Article titled, Correlations for the Prediction of Intermittency and Turbulent Spot Production Rate in Separated Flows
Click here to open pdf in another window PDF for Correlations for the Prediction of Intermittency and Turbulent Spot Production Rate in Separated Flows
Topics: Boundary layers, Flow (Dynamics), Reynolds number, Separation (Technology), Turbulence, Fittings, Bubbles, Shear (Mechanics)
Journal Articles

Effects of Density and Blowing Ratios on the Turbulent Structure and Effectiveness of Film Cooling

Zachary T. Stratton, Tom I-P. Shih
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. October 2018, 140(10): 101007.
Paper No: TURBO-18-1195
DOI: https://doi.org/10.1115/1.4041218
Published Online: September 28, 2018
View Article titled, Effects of Density and Blowing Ratios on the Turbulent Structure and Effectiveness of Film Cooling
Click here to open pdf in another window PDF for Effects of Density and Blowing Ratios on the Turbulent Structure and Effectiveness of Film Cooling
Topics: Boundary layer turbulence, Boundary layers, Density, Film cooling, Flow (Dynamics), Turbulence, Vortices, Cooling, Shear (Mechanics), Vorticity
Journal Articles

The Effect of Nonequilibrium Boundary Layers on Compressor Performance

Andrew P. S. Wheeler, Anthony M. J. Dickens, Robert J. Miller
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. October 2018, 140(10): 101003.
Paper No: TURBO-18-1057
DOI: https://doi.org/10.1115/1.4040094
Published Online: September 28, 2018
View Article titled, The Effect of Nonequilibrium Boundary Layers on Compressor Performance
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Topics: Boundary layers, Compressors, Flow (Dynamics), Reynolds number, Shear (Mechanics), Simulation, Suction, Turbulence, Energy dissipation, Blades
Journal Articles

Flow and Heat Transfer Analysis in a Single Row Narrow Impingement Channel: Comparison of Particle Image Velocimetry, Large Eddy Simulation, and RANS to Identify RANS Limitations

Jahed Hossain, Erik Fernandez, Christian Garrett, Jayanta Kapat
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. March 2018, 140(3): 031010.
Paper No: TURBO-17-1215
DOI: https://doi.org/10.1115/1.4038711
Published Online: December 28, 2017
View Article titled, Flow and Heat Transfer Analysis in a Single Row Narrow Impingement Channel: Comparison of Particle Image Velocimetry, Large Eddy Simulation, and RANS to Identify RANS Limitations
Click here to open pdf in another window PDF for Flow and Heat Transfer Analysis in a Single Row Narrow Impingement Channel: Comparison of Particle Image Velocimetry, Large Eddy Simulation, and RANS to Identify RANS Limitations
Topics: Flow (Dynamics), Heat transfer, Kinetic energy, Reynolds-averaged Navier–Stokes equations, Turbulence, Stress, Large eddy simulation, Particulate matter, Shear (Mechanics)
Journal Articles

Measurements and Characterization of Turbulence in the Tip Region of an Axial Compressor Rotor

Yuanchao Li, Huang Chen, Joseph Katz
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. December 2017, 139(12): 121003.
Paper No: TURBO-17-1103
DOI: https://doi.org/10.1115/1.4037773
Published Online: September 26, 2017
View Article titled, Measurements and Characterization of Turbulence in the Tip Region of an Axial Compressor Rotor
Click here to open pdf in another window PDF for Measurements and Characterization of Turbulence in the Tip Region of an Axial Compressor Rotor
Topics: Compressors, Eddies (Fluid dynamics), Flow (Dynamics), Rotors, Shear (Mechanics), Stress, Turbulence, Viscosity, Anisotropy, Blades
Journal Articles

Predictive Large Eddy Simulation for Jet Aeroacoustics–Current Approach and Industrial Application

James Tyacke, Iftekhar Naqavi, Zhong-Nan Wang, Paul Tucker, Peer Boehning
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. August 2017, 139(8): 081003.
Paper No: TURBO-16-1234
DOI: https://doi.org/10.1115/1.4035662
Published Online: March 15, 2017
View Article titled, Predictive Large Eddy Simulation for Jet Aeroacoustics–Current Approach and Industrial Application
Click here to open pdf in another window PDF for Predictive Large Eddy Simulation for Jet Aeroacoustics–Current Approach and Industrial Application
Topics: Acoustics, Flow (Dynamics), Jets, Noise (Sound), Nozzles, Reynolds-averaged Navier–Stokes equations, Turbulence, Shear (Mechanics), Resolution (Optics), Engines
Journal Articles

Experimental Investigation on the Time–Space Evolution of a Laminar Separation Bubble by Proper Orthogonal Decomposition and Dynamic Mode Decomposition

D. Lengani, D. Simoni, M. Ubaldi, P. Zunino, F. Bertini
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. March 2017, 139(3): 031006.
Paper No: TURBO-16-1225
DOI: https://doi.org/10.1115/1.4034917
Published Online: November 16, 2016
View Article titled, Experimental Investigation on the Time–Space Evolution of a Laminar Separation Bubble by Proper Orthogonal Decomposition and Dynamic Mode Decomposition
Click here to open pdf in another window PDF for Experimental Investigation on the Time–Space Evolution of a Laminar Separation Bubble by Proper Orthogonal Decomposition and Dynamic Mode Decomposition
Topics: Bubbles, Dynamics (Mechanics), Eigenvalues, Flow (Dynamics), Fluctuations (Physics), Principal component analysis, Separation (Technology), Shear (Mechanics), Wavelength, Boundary layers
Journal Articles

Effect of Blade Profile Contouring on Endwall Flow Structure in a High-Lift Low-Pressure Turbine Cascade

Keith Sangston, Jesse Little, M. Eric Lyall, Rolf Sondergaard
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. February 2017, 139(2): 021006.
Paper No: TURBO-14-1267
DOI: https://doi.org/10.1115/1.4034480
Published Online: October 4, 2016
View Article titled, Effect of Blade Profile Contouring on Endwall Flow Structure in a High-Lift Low-Pressure Turbine Cascade
Click here to open pdf in another window PDF for Effect of Blade Profile Contouring on Endwall Flow Structure in a High-Lift Low-Pressure Turbine Cascade
Topics: Airfoils, Blades, Cascades (Fluid dynamics), Deformation, Flow (Dynamics), Pressure, Turbulence, Computational fluid dynamics, Shear (Mechanics), Turbines
Journal Articles

Aerothermal Characterization of a Rotating Ribbed Channel at Engine Representative Conditions—Part I: High-Resolution Particle Image Velocimetry Measurements

Ignacio Mayo, Gian Luca Gori, Aude Lahalle, Tony Arts
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. October 2016, 138(10): 101008.
Paper No: TURBO-16-1034
DOI: https://doi.org/10.1115/1.4032926
Published Online: April 26, 2016
View Article titled, Aerothermal Characterization of a Rotating Ribbed Channel at Engine Representative Conditions—Part I: High-Resolution Particle Image Velocimetry Measurements
Click here to open pdf in another window PDF for Aerothermal Characterization of a Rotating Ribbed Channel at Engine Representative Conditions—Part I: High-Resolution Particle Image Velocimetry Measurements
Topics: Flow (Dynamics), Particulate matter, Resolution (Optics), Rotation, Shear (Mechanics), Turbulence, Vortices, Fluids, Bubbles, Engines
Journal Articles

Implicit Large Eddy Simulation of a Stalled Low-Pressure Turbine Airfoil

C. L. Memory, J. P. Chen, J. P. Bons
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2016, 138(7): 071008.
Paper No: TURBO-15-1294
DOI: https://doi.org/10.1115/1.4032365
Published Online: February 17, 2016
View Article titled, Implicit Large Eddy Simulation of a Stalled Low-Pressure Turbine Airfoil
Click here to open pdf in another window PDF for Implicit Large Eddy Simulation of a Stalled Low-Pressure Turbine Airfoil
Topics: Airfoils, Flow (Dynamics), Pressure, Separation (Technology), Shear (Mechanics), Turbines, Wakes, Reynolds number, Vortices, Vorticity
Journal Articles

Numerical Investigation of Kelvin–Helmholtz Instability in a Centrifugal Compressor Operating Near Stall

Y. Bousquet, N. Binder, G. Dufour, X. Carbonneau, I. Trebinjac, M. Roumeas
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2016, 138(7): 071007.
Paper No: TURBO-15-1292
DOI: https://doi.org/10.1115/1.4032457
Published Online: February 17, 2016
View Article titled, Numerical Investigation of Kelvin–Helmholtz Instability in a Centrifugal Compressor Operating Near Stall
Click here to open pdf in another window PDF for Numerical Investigation of Kelvin–Helmholtz Instability in a Centrifugal Compressor Operating Near Stall
Topics: Blades, Compressors, Flow (Dynamics), Impellers, Momentum, Pressure, Shear (Mechanics), Diffusers, Vortex shedding
Journal Articles

A Simplified Model Predicting the Kelvin–Helmholtz Instability Frequency for Laminar Separated Flows

Daniele Simoni, Marina Ubaldi, Pietro Zunino
Journal: Journal of Turbomachinery
Article Type: Technical Briefs
J. Turbomach. April 2016, 138(4): 044501.
Paper No: TURBO-15-1014
DOI: https://doi.org/10.1115/1.4032162
Published Online: December 29, 2015
View Article titled, A Simplified Model Predicting the Kelvin–Helmholtz Instability Frequency for Laminar Separated Flows
Click here to open pdf in another window PDF for A Simplified Model Predicting the Kelvin–Helmholtz Instability Frequency for Laminar Separated Flows
Topics: Boundary layers, Flow (Dynamics), Pressure gradient, Reynolds number, Separation (Technology), Shear (Mechanics), Stability, Waves, Airfoils, Blades
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
Article Type: Research-Article
J. Turbomach. October 2014, 136(10): 101002.
Paper No: TURBO-14-1070
DOI: https://doi.org/10.1115/1.4027971
Published Online: July 15, 2014
View Article titled, MEMS-Scale Turbomachinery Based Vacuum Roughing Pump
Click here to open pdf in another window PDF for MEMS-Scale Turbomachinery Based Vacuum Roughing Pump
Topics: Blades, Boundary-value problems, Flow (Dynamics), Grinding, Microelectromechanical systems, Pressure, Pumps, Rotors, Simulation, Turbomachinery
Journal Articles

Exploitation of Subharmonics for Separated Shear Layer Control on a High-Lift Low-Pressure Turbine Using Acoustic Forcing

Chiara Bernardini, Stuart I. Benton, Jen-Ping Chen, Jeffrey P. Bons
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2014, 136(5): 051018.
Paper No: TURBO-13-1144
DOI: https://doi.org/10.1115/1.4025586
Published Online: October 24, 2013
View Article titled, Exploitation of Subharmonics for Separated Shear Layer Control on a High-Lift Low-Pressure Turbine Using Acoustic Forcing
Click here to open pdf in another window PDF for Exploitation of Subharmonics for Separated Shear Layer Control on a High-Lift Low-Pressure Turbine Using Acoustic Forcing
Topics: Excitation, Flow (Dynamics), Pressure, Separation (Technology), Shear (Mechanics), Turbulence, Vortices, Acoustics, Turbines, Blades