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Robert F. Kunz
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Proceedings Papers

Unstructured Rotor-Stator Analysis of Axial Turbomachinery Using a Pressure Based Method

Wen-Sheng Yu, Robert F. Kunz, Stephen M. Ettorre, Steven P. Antal
Proc. ASME. IMECE2001, Advanced Energy Systems, 135-146, November 11–16, 2001
Paper No: IMECE2001/AES-23617
DOI: https://doi.org/10.1115/IMECE2001/AES-23617
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Topics: Pressure, Rotors, Stators, Turbomachinery, Blades, Wakes, Computational fluid dynamics, Algorithms, Flow (Dynamics), Modeling
Journal Articles

Convection in Scaled Turbine Internal Cooling Passages With Additive Manufacturing Roughness

Gabriel J. Stafford, Stephen T. McClain, David R. Hanson, Robert F. Kunz, Karen A. Thole
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 2022, 144(4): 041008.
Paper No: TURBO-21-1182
DOI: https://doi.org/10.1115/1.4052524
Published Online: November 10, 2021
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Topics: Convection, Friction, Heat transfer, Surface roughness, Aluminum, Additive manufacturing, Cooling
Proceedings Papers

Convection in Scaled Turbine Internal Cooling Passages With Additive Manufacturing Roughness

Gabriel J. Stafford, Stephen T. McClain, David R. Hanson, Robert F. Kunz, Karen A. Thole
Proc. ASME. GT2021, Volume 5B: Heat Transfer — General Interest; Internal Air Systems; Internal Cooling, V05BT15A018, June 7–11, 2021
Paper No: GT2021-59684
DOI: https://doi.org/10.1115/GT2021-59684
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Topics: Additive manufacturing, Convection, Cooling, Surface roughness, Turbines, Aluminum, Friction, Compressibility, Computer numerical control machine tools, Drag (Fluid dynamics)
Journal Articles

Flow in a Simulated Turbine Blade Cooling Channel With Spatially Varying Roughness Caused by Additive Manufacturing Orientation

Stephen T. McClain, David R. Hanson, Emily Cinnamon, Jacob C. Snyder, Robert F. Kunz, Karen A. Thole
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. July 2021, 143(7): 071013.
Paper No: TURBO-20-1292
DOI: https://doi.org/10.1115/1.4050389
Published Online: April 19, 2021
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Topics: Surface roughness, Flow (Dynamics), Friction
Proceedings Papers

Flow in a Simulated Turbine Blade Cooling Channel With Spatially Varying Roughness Caused by Additive Manufacturing Orientation

Stephen T. McClain, David R. Hanson, Emily Cinnamon, Jacob C. Snyder, Robert F. Kunz, Karen A. Thole
Proc. ASME. GT2020, Volume 7A: Heat Transfer, V07AT15A031, September 21–25, 2020
Paper No: GT2020-16069
DOI: https://doi.org/10.1115/GT2020-16069
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Topics: Additive manufacturing, Cooling, Flow (Dynamics), Surface roughness, Turbine blades, Turbulence, Friction, Computational fluid dynamics, Dimensions, Gravity (Force)
Proceedings Papers

A Computational Investigation of Dynamic Stabilization of Rayleigh-Bénard Convection Under System Acceleration

Ilker Topcuoglu, Robert F. Kunz, Robert W. Smith
Proc. ASME. HT2020, ASME 2020 Heat Transfer Summer Conference, V001T02A002, July 13–15, 2020
Paper No: HT2020-9020
DOI: https://doi.org/10.1115/HT2020-9020
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Topics: Convection, Flow (Dynamics), Dynamic stability, Stability, Approximation, Compressible flow, Density, Enthalpy, Equations of state, Heating
Journal Articles

Experimental Characterization of High-Amplitude Fluid–Structure Interaction of a Flexible Hydrofoil at High Reynolds Number

Brian R. Elbing, Steven D. Young, Michael L. Jonson, Robert L. Campbell, Brent A. Craven, Robert F. Kunz, Kevin L. Koudela
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. August 2020, 142(4): 041014.
Paper No: VIB-19-1368
DOI: https://doi.org/10.1115/1.4046751
Published Online: April 21, 2020
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Topics: Cylinders, Flow (Dynamics), Fluid structure interaction, Pressure, Reynolds number, Wakes, Deflection, Chords (Trusses), Stress, Turbulence
Includes: Supplementary data
Proceedings Papers

Evaluating Splitter Blade Designs to Avoid Impeller Failure in a High-Speed Unshrouded Centrifugal Compressor

Alex Curtin, Reid A. Berdanier, Robert F. Kunz, Michael L. Jonson
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A015, June 17–21, 2019
Paper No: GT2019-91359
DOI: https://doi.org/10.1115/GT2019-91359
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Topics: Blades, Compressors, Failure, Impellers, Computational fluid dynamics, Inlet guide vanes, Failure mechanisms, Shock waves, Boundary layers, Cracking (Materials)
Proceedings Papers

Flow in a Scaled Turbine Coolant Channel With Roughness due to Additive Manufacturing

David R. Hanson, Stephen T. McClain, Jacob C. Snyder, Robert F. Kunz, Karen A. Thole
Proc. ASME. GT2019, Volume 5B: Heat Transfer, V05BT21A004, June 17–21, 2019
Paper No: GT2019-90931
DOI: https://doi.org/10.1115/GT2019-90931
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Topics: Additive manufacturing, Coolants, Flow (Dynamics), Surface roughness, Turbines, Computational fluid dynamics, Friction, Internal flow, Simulation, Engines
Journal Articles

An Assessment of Computational Fluid Dynamics Cavitation Models Using Bubble Growth Theory and Bubble Transport Modeling

Michael P. Kinzel, Jules W. Lindau, Robert F. Kunz
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. April 2019, 141(4): 041301.
Paper No: FE-18-1140
DOI: https://doi.org/10.1115/1.4042421
Published Online: February 8, 2019
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Topics: Bubbles, Cavitation, Modeling, Computational fluid dynamics
eBook Chapter

An Evaluation of CFD Cavitation Models using Streamline Data

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
ISBN: 9780791861851
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Topics: Cavitation, Computational fluid dynamics
Proceedings Papers

A Unified Homogenous Multiphase CFD Model for Cavitation

Michael P. Kinzel, Jules W. Lindau, Robert F. Kunz
Proc. ASME. FEDSM2017, Volume 1B, Symposia: Fluid Measurement and Instrumentation; Fluid Dynamics of Wind Energy; Renewable and Sustainable Energy Conversion; Energy and Process Engineering; Microfluidics and Nanofluidics; Development and Applications in Computational Fluid Dynamics; DNS/LES and Hybrid RANS/LES Methods, V01BT11A020, July 30–August 3, 2017
Paper No: FEDSM2017-69363
DOI: https://doi.org/10.1115/FEDSM2017-69363
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Topics: Cavitation, Computational fluid dynamics, Analytical methods, Bubbles, Dynamics (Mechanics), Modeling
Proceedings Papers

Cytokine Convection Affects Cancer Metastasis by a Shear Rate Dependent Mechanism

Meghan H. Hoskins, Shile Liang, Payal Khanna, Robert F. Kunz, Cheng Dong
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 513-514, June 25–29, 2008
Paper No: SBC2008-192904
DOI: https://doi.org/10.1115/SBC2008-192904
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Topics: Cancer, Convection, Shear rate, Skin
Proceedings Papers

Cellular Mechanics and Biology of Tumor Cell-Leukocyte Interactions in the Near Wall Region Under Shear Flow Conditions

Meghan H. Hoskins, Shile Liang, Robert F. Kunz, Cheng Dong
Proc. ASME. SBC2007, ASME 2007 Summer Bioengineering Conference, 371-372, June 20–24, 2007
Paper No: SBC2007-176376
DOI: https://doi.org/10.1115/SBC2007-176376
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Topics: Biology, Cellular mechanics, Leukocytes, Shear flow, Tumors, Cancer, Skin
Journal Articles

CFD Analysis of Gear Windage Losses: Validation and Parametric Aerodynamic Studies

Matthew J. Hill, Robert F. Kunz, Richard B. Medvitz, Robert F. Handschuh, Lyle N. Long, Ralph W. Noack, Philip J. Morris
Journal: Journal of Fluids Engineering
Article Type: Research Papers
J. Fluids Eng. March 2011, 133(3): 031103.
DOI: https://doi.org/10.1115/1.4003681
Published Online: March 16, 2011
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Topics: Gears, Computational fluid dynamics
Proceedings Papers

Two Fluid Modeling of Microbubble Turbulent Drag Reduction

Robert F. Kunz, Steven Deutsch, Jules W. Lindau
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 609-618, July 6–10, 2003
Paper No: FEDSM2003-45640
DOI: https://doi.org/10.1115/FEDSM2003-45640
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Topics: Drag reduction, Fluids, Modeling, Turbulence, Flow (Dynamics), Boundary layers, Flat plates, Reynolds number, Skin friction (Fluid dynamics), Bubbles
Proceedings Papers

Propeller Cavitation Breakdown Analysis

Jules W. Lindau, Richard B. Medvitz, David A. Boger, Robert F. Kunz
Proc. ASME. FEDSM2003, Volume 1: Fora, Parts A, B, C, and D, 1227-1237, July 6–10, 2003
Paper No: FEDSM2003-45407
DOI: https://doi.org/10.1115/FEDSM2003-45407
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Topics: Cavitation, Propellers, Thrust, Torque, Cavities, Multiphase flow, Shapes, Water tunnels
Proceedings Papers

Impact of Heat Transfer on Contaminant Dispersion in a Public Building

Sue Ellen Haupt, Robert F. Kunz, L. Joel Peltier, James J. Dreyer, Howard J. Gibeling
Proc. ASME. FEDSM2006, Volume 2: Fora, 189-194, July 17–20, 2006
Paper No: FEDSM2006-98484
DOI: https://doi.org/10.1115/FEDSM2006-98484
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Topics: Building materials, Buoyancy, Computational fluid dynamics, Convection, Flow (Dynamics), Green buildings, Heat conduction, Heat transfer, Heating, Temperature effects
Proceedings Papers

Detached Eddy Simulation of Atmospheric Flow About a Surface Mounted Cube at High Reynolds Number

Robert P. Wilson, Sue Ellen Haupt, L. Joel Peltier, Robert F. Kunz
Proc. ASME. FEDSM2006, Volume 1: Symposia, Parts A and B, 1213-1222, July 17–20, 2006
Paper No: FEDSM2006-98252
DOI: https://doi.org/10.1115/FEDSM2006-98252
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Topics: Eddies (Fluid dynamics), Flow (Dynamics), Reynolds number, Simulation, Computational fluid dynamics, Cities, Computation, Modeling, Resolution (Optics), Separation (Technology)
Journal Articles

Validation of Two-Fluid Eulerian CFD Modeling for Microbubble Drag Reduction Across a Wide Range of Reynolds Numbers

Robert F. Kunz, Howard J. Gibeling, Martin R. Maxey, Gretar Tryggvason, Arnold A. Fontaine, Howard L. Petrie, Steven L. Ceccio
Journal: Journal of Fluids Engineering
Article Type: Technical Papers
J. Fluids Eng. January 2007, 129(1): 66–79.
DOI: https://doi.org/10.1115/1.2375124
Published Online: May 27, 2006
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Topics: Bubbles, Drag reduction, Reynolds number, Computational fluid dynamics, Modeling, Flow (Dynamics), Dynamics (Mechanics), Turbulence