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Proceedings Papers

Effect of Microfiber Length on Microfiber Motion in Human Nasal Airways

J. Li, J. Ma, J. Y. Tu, L. Tian, G. Ahmadi

Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T04A011, August 3–5, 2022

Paper No: FEDSM2022-87037

DOI: https://doi.org/10.1115/FEDSM2022-87037

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Topics: Polyester fibers, Accounting, Air flow, Carbon nanofibers, Carbon nanotubes, Cavities, Drag (Fluid dynamics), Engineering simulation, Flow (Dynamics), Laminar flow

Proceedings Papers

Numerical Analysis of Elbow Erosion Mitigation Using Swirl Pipes in Gas-Particle Two-Phase Flows

A. Farokhipour, Z. Mansoori, M. Saffar-Avval, G. Ahmadi

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A007, August 10–12, 2021

Paper No: FEDSM2021-66013

DOI: https://doi.org/10.1115/FEDSM2021-66013

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Topics: Computational fluid dynamics, Erosion, Numerical analysis, Particulate matter, Pipes, Sands, Swirling flow, Two-phase flow

Proceedings Papers

Detailed Analysis of Fiber Motion in Human Nasal Airways

Jiang Li, J. W. Ma, J. Y. Tu, L. Tian, G. Ahmadi

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A015, August 10–12, 2021

Paper No: FEDSM2021-65576

DOI: https://doi.org/10.1115/FEDSM2021-65576

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Topics: Fibers, Particulate matter, Cavities, Air flow, Simulation results, Aerosols, Drag (Fluid dynamics), Engineering simulation, Equations of motion, Geometry

Proceedings Papers

CFD Evaluation of Bend Angle Effects on Sand Particle Erosion in Multiphase Flows

A. Farokhipour, Z. Mansoori, M. Saffar-Avval, S. A. Shirazi, G. Ahmadi

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A009, July 13–15, 2020

Paper No: FEDSM2020-20069

DOI: https://doi.org/10.1115/FEDSM2020-20069

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Topics: Computational fluid dynamics, Erosion, Multiphase flow, Particulate matter, Sands, Flow (Dynamics), Damage, Film thickness, Fluids, Liquid films

Proceedings Papers

A Numerical Study of Sand Particle Erosion in a Series of Ball Seats in Gas-Particle Two-Phase Flow

A. Rasteh, A. Farokhipour, M. A. Rasoulian, Z. Mansoori, M. Saffar-Avval, G. Ahmadi, A. A. Mofakham

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A054, July 28–August 1, 2019

Paper No: AJKFluids2019-5497

DOI: https://doi.org/10.1115/AJKFluids2019-5497

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Topics: Erosion, Particulate matter, Sands, Two-phase flow

Proceedings Papers

Brownian Diffusion of Nano-Fibers: Application to Mobility Characterizations

L. Tian, G. Ahmadi, J. Y. Tu

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A049, July 28–August 1, 2019

Paper No: AJKFluids2019-4652

DOI: https://doi.org/10.1115/AJKFluids2019-4652

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Topics: Diffusion (Physics), Mechanical admittance, Nanofibers, Particulate matter, Rotation, Collisions (Physics), Knudsen number, Nanoparticles, Anisotropy, Approximation

Proceedings Papers

A Numerical Study of Sand Particle Erosion in Elbow and a Series of Plugged Tees in Gas-Particle Two-Phase Flow

A. Farokhipour, Z. Mansoori, M. Saffar-Avval, M. A. Rasoulian, A. Rasteh, S. A. Shirazi, G. Ahmadi

Proc. ASME. FEDSM2018, Volume 2: Development and Applications in Computational Fluid Dynamics; Industrial and Environmental Applications of Fluid Mechanics; Fluid Measurement and Instrumentation; Cavitation and Phase Change, V002T11A003, July 15–20, 2018

Paper No: FEDSM2018-83122

DOI: https://doi.org/10.1115/FEDSM2018-83122

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Topics: Erosion, Particulate matter, Sands, Two-phase flow, Flow (Dynamics), Pipes, Algorithms, Computational fluid dynamics, Failure, Natural gas distribution

Proceedings Papers

Hybrid LES/RANS Model for Simulation of Particle Dispersion and Deposition

H. Sajjadi, M. Salmanzadeh, G. Ahmadi, S. Jafari

Proc. ASME. FEDSM2018, Volume 3: Fluid Machinery; Erosion, Slurry, Sedimentation; Experimental, Multiscale, and Numerical Methods for Multiphase Flows; Gas-Liquid, Gas-Solid, and Liquid-Solid Flows; Performance of Multiphase Flow Systems; Micro/Nano-Fluidics, V003T19A007, July 15–20, 2018

Paper No: FEDSM2018-83383

DOI: https://doi.org/10.1115/FEDSM2018-83383

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Topics: Particulate matter, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Excitation, Lattice Boltzmann methods, Nanoparticles, Simulation results

Proceedings Papers

On Non-Spherical Nanoparticle Dynamics in Turbulent Flows

L. Tian, G. Ahmadi

Paper No: FEDSM2018-83356

DOI: https://doi.org/10.1115/FEDSM2018-83356

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Topics: Dynamics (Mechanics), Nanoparticles, Turbulence, Particulate matter, Rotation, Diffusion (Physics), Ducts, Fluids, Mean free path, Microparticles

Proceedings Papers

Multi-Scale Transport Modeling: Asbestos and Nano Fibers in Inhalation Risk Assessments

L. Tian, G. Ahmadi, J. Y. Tu

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, V01BT10A003, July 30–August 3, 2017

Paper No: FEDSM2017-69083

DOI: https://doi.org/10.1115/FEDSM2017-69083

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Topics: Modeling, Nanofibers, Risk assessment, Particulate matter, Carbon nanotubes, Diffusion (Physics), Dynamics (Mechanics), Fibers, Fluids, Hazards

Proceedings Papers

Lattice Boltzmann Method Simulation of Turbulent Indoor Airflow Using Hybrid LES/RANS Model

H. Sajjadi, M. Salmanzadeh, G. Ahmadi, S. Jafari

Paper No: FEDSM2017-69120

DOI: https://doi.org/10.1115/FEDSM2017-69120

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Topics: Air flow, Lattice Boltzmann methods, Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Flow (Dynamics), Simulation results

Proceedings Papers

Numerical Study of Heat Transfer in Turbulent Cross-Flow Over Porous-Coated Cylinder

N. Rahmati, Z. Mansoori, M. Saffar-Avval, G. Ahmadi

Proc. ASME. FEDSM2017, Volume 1A, Symposia: Keynotes; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Fluid Machinery; Industrial and Environmental Applications of Fluid Mechanics; Pumping Machinery, V01AT04A014, July 30–August 3, 2017

Paper No: FEDSM2017-69582

DOI: https://doi.org/10.1115/FEDSM2017-69582

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Topics: Cross-flow, Cylinders, Heat transfer, Turbulence, Metal foams, Flow (Dynamics), Porosity, Porous materials, Algorithms, Eddies (Fluid dynamics)

Proceedings Papers

Novel Active Control Strategy for LCO and Flutter Suppression by a Coordinated Use of Multiple Distributed Surface Actuators

M. Cassaro, A. Nágy, P. Marzocca, M. Battipede, G. Ahmadi

Proc. ASME. IMECE2014, Volume 1: Advances in Aerospace Technology, V001T01A049, November 14–20, 2014

Paper No: IMECE2014-36905

DOI: https://doi.org/10.1115/IMECE2014-36905

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Topics: Actuators, Flutter (Aerodynamics), Chords (Trusses), Control systems, Design, Wings, Algorithms, Computational fluid dynamics, Engineering prototypes, Errors

Proceedings Papers

Indoor Airflow Simulation Using Lattice Boltzmann Method

H. Sajjadi, M. Salmanzadeh, G. Ahmadi

Proc. ASME. FEDSM2014, Volume 1A, Symposia: Advances in Fluids Engineering Education; Turbomachinery Flow Predictions and Optimization; Applications in CFD; Bio-Inspired Fluid Mechanics; Droplet-Surface Interactions; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES, and Hybrid RANS/LES Methods, V01AT03A015, August 3–7, 2014

Paper No: FEDSM2014-21618

DOI: https://doi.org/10.1115/FEDSM2014-21618

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Topics: Air flow, Lattice Boltzmann methods, Simulation, Reynolds-averaged Navier–Stokes equations, Turbulence, Air pollution, Computational methods, Computer simulation, Computation, Computational fluid dynamics

Proceedings Papers

Exposure Assessment Analysis of a Heated Breathing Manikin With Rotation in a Displacement Ventilated Room by Numerical Methods

S. A. Keshavarz, M. Salmanzadeh, G. Ahmadi

Paper No: FEDSM2014-21620

DOI: https://doi.org/10.1115/FEDSM2014-21620

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Topics: Displacement, Numerical analysis, Rotation, Air flow, Particulate matter, Plumes (Fluid dynamics), Computational fluid dynamics, Diseases, Simulation results, Ventilation

Proceedings Papers

High-Fidelity Modeling of a Backhoe Digging Operation Using an Explicit Multibody Dynamics Code With Integrated Discrete Particle Modeling Capability

Shahriar G. Ahmadi, Tamer M. Wasfy, Hatem M. Wasfy, Jeanne M. Peters

Proc. ASME. IDETC-CIE2013, Volume 7A: 9th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V07AT10A031, August 4–7, 2013

Paper No: DETC2013-12896

DOI: https://doi.org/10.1115/DETC2013-12896

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Topics: Modeling, Multibody dynamics, Particulate matter, Algorithms, Friction, Wheels, Actuators, Automotive design, Construction equipment, Equations of motion

Proceedings Papers

Multibody Dynamics Modeling of Sand Flow From a Hopper and Sand Pile Angle of Repose

Tamer M. Wasfy, Shahriar G. Ahmadi, Hatem M. Wasfy, Jeanne M. Peters

Proc. ASME. IDETC-CIE2013, Volume 7A: 9th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V07AT10A047, August 4–7, 2013

Paper No: DETC2013-12914

DOI: https://doi.org/10.1115/DETC2013-12914

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Topics: Angle of repose, Flow (Dynamics), Modeling, Multibody dynamics, Sands, Particulate matter, Friction, Algorithms, Engineering simulation, Equations of motion

Proceedings Papers

Optimal Preview Control of Structural Vibrations Under Earthquake Excitations

A. F. Shahrabi, G. Ahmadi

Proc. ASME. IMECE2011, Volume 7: Dynamic Systems and Control; Mechatronics and Intelligent Machines, Parts A and B, 849-855, November 11–17, 2011

Paper No: IMECE2011-65429

DOI: https://doi.org/10.1115/IMECE2011-65429

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Topics: Earthquakes, Excitation, Vibration, Control systems, Displacement, Sensors, Structures, Vibration control

Proceedings Papers

Computer Modeling of Time History of Velocity Field and Net Momentum Output of a Synthetic Jet Actuator

G. Ahmadi, A. F. Shahrabi

Proc. ASME. IMECE2011, Volume 6: Fluids and Thermal Systems; Advances for Process Industries, Parts A and B, 937-940, November 11–17, 2011

Paper No: IMECE2011-65046

DOI: https://doi.org/10.1115/IMECE2011-65046

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Topics: Actuators, Computer simulation, Momentum, Air flow, Airfoils, Ceramics, Flow (Dynamics), Boundary-value problems, Drag (Fluid dynamics), Engineering simulation

Proceedings Papers

Transport and Deposition of Elongated Particles in the Upper Airways

L. Tian, G. Ahmadi

Proc. ASME. IMECE2011, Volume 6: Fluids and Thermal Systems; Advances for Process Industries, Parts A and B, 571-574, November 11–17, 2011

Paper No: IMECE2011-65062

DOI: https://doi.org/10.1115/IMECE2011-65062

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Topics: Particulate matter, Fibers, Lung, Physiology, Rotation

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Journal citation

NARROW

Effect of Microfiber Length on Microfiber Motion in Human Nasal Airways

Numerical Analysis of Elbow Erosion Mitigation Using Swirl Pipes in Gas-Particle Two-Phase Flows

Detailed Analysis of Fiber Motion in Human Nasal Airways

CFD Evaluation of Bend Angle Effects on Sand Particle Erosion in Multiphase Flows

A Numerical Study of Sand Particle Erosion in a Series of Ball Seats in Gas-Particle Two-Phase Flow

Brownian Diffusion of Nano-Fibers: Application to Mobility Characterizations

A Numerical Study of Sand Particle Erosion in Elbow and a Series of Plugged Tees in Gas-Particle Two-Phase Flow

Hybrid LES/RANS Model for Simulation of Particle Dispersion and Deposition

On Non-Spherical Nanoparticle Dynamics in Turbulent Flows

Multi-Scale Transport Modeling: Asbestos and Nano Fibers in Inhalation Risk Assessments

Lattice Boltzmann Method Simulation of Turbulent Indoor Airflow Using Hybrid LES/RANS Model

Numerical Study of Heat Transfer in Turbulent Cross-Flow Over Porous-Coated Cylinder

Novel Active Control Strategy for LCO and Flutter Suppression by a Coordinated Use of Multiple Distributed Surface Actuators

Indoor Airflow Simulation Using Lattice Boltzmann Method

Exposure Assessment Analysis of a Heated Breathing Manikin With Rotation in a Displacement Ventilated Room by Numerical Methods

High-Fidelity Modeling of a Backhoe Digging Operation Using an Explicit Multibody Dynamics Code With Integrated Discrete Particle Modeling Capability

Multibody Dynamics Modeling of Sand Flow From a Hopper and Sand Pile Angle of Repose

Optimal Preview Control of Structural Vibrations Under Earthquake Excitations

Computer Modeling of Time History of Velocity Field and Net Momentum Output of a Synthetic Jet Actuator

Transport and Deposition of Elongated Particles in the Upper Airways

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