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Proceedings Papers

Application of a Distributed Element Roughness Model to Additively Manufactured Internal Cooling Channels

Samuel Altland, Xiang Yang, Karen Thole, Robert Kunz, Stephen McClain
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A014, June 13–17, 2022
Paper No: GT2022-81218
DOI: https://doi.org/10.1115/GT2022-81218
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Topics: Additive manufacturing, Computational fluid dynamics, Cooling, Surface roughness
Proceedings Papers

A Study of Second Moment Closure Modeling for Stratified Wakes Using DNS Ensembles

Naman Jain, Xinyi Huang, Xiang Yang, Robert Kunz
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A012, August 3–5, 2022
Paper No: FEDSM2022-86979
DOI: https://doi.org/10.1115/FEDSM2022-86979
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Topics: Modeling, Wakes, Reynolds-averaged Navier–Stokes equations, Particle filtering (numerical methods), Sheet molding compound (Plastics), Sliding mode control, Surface mount components, Energy dissipation, Flow (Dynamics), Turbulence
Journal Articles

Second Moment Closure Modeling and Direct Numerical Simulation of Stratified Shear Layers

Naman Jain, Hieu T. Pham, Xinyi Huang, Sutanu Sarkar, Xiang Yang, Robert Kunz
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. April 2022, 144(4): 041102.
Paper No: FE-21-1499
DOI: https://doi.org/10.1115/1.4053444
Published Online: February 16, 2022
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Topics: Computer simulation, Diffusion (Physics), Energy dissipation, Flow (Dynamics), Modeling, Pressure, Reynolds-averaged Navier–Stokes equations, Shear (Mechanics), Stress, Surface mount components
Journal Articles

Modeling of Cube Array Roughness: RANS, Large Eddy Simulation, and Direct Numerical Simulation

Samuel Altland, Haosen H. A. Xu, Xiang I. A. Yang, Robert Kunz
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. June 2022, 144(6): 061106.
Paper No: FE-21-1492
DOI: https://doi.org/10.1115/1.4053611
Published Online: February 16, 2022
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Topics: Drag (Fluid dynamics), Flow (Dynamics), Packing (Shipments), Packings (Cushioning), Reynolds-averaged Navier–Stokes equations, Stress, Surface roughness, Turbulence, Computer simulation, Large eddy simulation
Proceedings Papers

Experimental and Computational Studies on Saltation of Metal Powders Used in Laser Powder Bed Fusion Systems for Metal Additive Manufacturing

Thao Tran-Le, Jiaxuan Wang, Margaret Byron, Stephen Lynch, Robert Kunz
Proc. ASME. IMECE2021, Volume 10: Fluids Engineering, V010T10A003, November 1–5, 2021
Paper No: IMECE2021-69550
DOI: https://doi.org/10.1115/IMECE2021-69550
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Topics: Additive manufacturing, Lasers, Metal powders, Metals
Journal Articles

A Numerical Investigation Into the Heat Transfer Performance and Particle Dynamics of a Compressible, Highly Mass Loaded, High Reynolds Number, Particle Laden Flow

Kyle Hassan, Robert Kunz, David Hanson, Michael Manahan
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. December 2021, 143(12): 121801.
Paper No: HT-21-1270
DOI: https://doi.org/10.1115/1.4052437
Published Online: October 18, 2021
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Topics: Flow (Dynamics), Heat transfer, Particulate matter, Reynolds number, Temperature, Turbulence, Pipes, Solids, Temperature distribution, Nitrogen
Proceedings Papers

Second Moment Closure Modeling and DNS of Stratified Shear Layers

Naman Jain, Xinyi Huang, Xiang Yang, Robert Kunz, Hieu T. Pham, Sutanu Sarkar
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A028, August 10–12, 2021
Paper No: FEDSM2021-65570
DOI: https://doi.org/10.1115/FEDSM2021-65570
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Topics: Modeling, Shear (Mechanics), Stress, Anisotropy, Diffusion (Physics), Energy dissipation, Flow (Dynamics), Particle filtering (numerical methods), Pressure, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Modeling of Cube Array Roughness: RANS, LES, and DNS

Samuel Altland, Haosen H. A. Xu, Xiang I. A. Yang, Robert Kunz
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A027, August 10–12, 2021
Paper No: FEDSM2021-65494
DOI: https://doi.org/10.1115/FEDSM2021-65494
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Topics: Modeling, Reynolds-averaged Navier–Stokes equations, Surface roughness
Proceedings Papers

A Numerical Investigation Into the Heat Transfer Performance and Particle Dynamics of a Compressible, Highly Mass Loaded, High Reynolds Number, Particle Laden Flow

Kyle Hassan, Robert Kunz, David Hanson, Michael Manahan
Proc. ASME. HT2021, ASME 2021 Heat Transfer Summer Conference, V001T08A004, June 16–18, 2021
Paper No: HT2021-63262
DOI: https://doi.org/10.1115/HT2021-63262
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Topics: Flow (Dynamics), Heat transfer, Particle dynamics, Particulate matter, Reynolds number
Proceedings Papers

Experimental and Computational Studies of Particle Scavenge Flow in Direct Laser Metal Sintering

Morgan Austin, Thao Tran-Le, Robert Kunz, Timothy Simpson, Rui Ni
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A052, July 28–August 1, 2019
Paper No: AJKFluids2019-4965
DOI: https://doi.org/10.1115/AJKFluids2019-4965
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Topics: Flow (Dynamics), Lasers, Metals, Particulate matter, Sintering, Computational fluid dynamics, Cross-flow, Aluminum alloys, Bubbles, Design