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Proceedings Papers

A Numerical Study on the Effect of Carrier Fluid Subgrid Scales Fluctuations on Deposition and Dispersion of Lagrangian Particles

Farid Rousta, Bamdad Lessani, Goodarz Ahmadi

Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T04A015, August 3–5, 2022

Paper No: FEDSM2022-87651

DOI: https://doi.org/10.1115/FEDSM2022-87651

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Topics: Fluctuations (Physics), Fluids, Particulate matter, Channel flow, Flow (Dynamics), Turbulence, Computer simulation, Engineering simulation, Friction, Large eddy simulation

Proceedings Papers

Study of Thixotropic Behavior of Non-Newtonian Fluids in Tool-Joints of Oil Wells

Ardeshir Gholami, Zohreh Mansoori, Majid Saffar Avval, Goodarz Ahmadi

Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T04A012, August 3–5, 2022

Paper No: FEDSM2022-87150

DOI: https://doi.org/10.1115/FEDSM2022-87150

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Topics: Drilling, Fluids, Non-Newtonian fluids, Oil wells, Pressure, Thixotropy

Proceedings Papers

Four-Way Coupled Simulation of Proppants Flowing in Rock Fracture With Realistic Geometry- Hydraulic Fracturing Application

Farid Rousta, Goodarz Ahmadi, Dustin Crandall

Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T04A016, August 3–5, 2022

Paper No: FEDSM2022-87688

DOI: https://doi.org/10.1115/FEDSM2022-87688

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Topics: Fracture (Materials), Fracture (Process), Geometry, Hydraulic fracturing, Rocks, Simulation, Flow (Dynamics), Particulate matter, Steady state, Computer software

Proceedings Papers

Ventilation System Performance on the Removal of Respiratory Droplets Emitted During Speaking

Morteza Ali Masoomi, Mazyar Salmanzadeh, Goodarz Ahmadi

Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T04A019, August 3–5, 2022

Paper No: FEDSM2022-87732

DOI: https://doi.org/10.1115/FEDSM2022-87732

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Topics: Computational fluid dynamics, Diseases, Drops, Particulate matter, Simulation, Ventilation

Proceedings Papers

Investigation of Tool-Joint Effect on Non-Newtonian Drilling Fluids Following the Herschel–Bulkley Model Flow Behavior in Oil Well Drilling

Ardeshir Gholami, Zohreh Mansoori, Majid Saffar Aval, Goodarz Ahmadi

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A026, August 10–12, 2021

Paper No: FEDSM2021-65577

DOI: https://doi.org/10.1115/FEDSM2021-65577

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Topics: Drilling, Flow (Dynamics), Fluids, Non-Newtonian fluids, Oil well drilling, Oil wells, Thixotropy

Proceedings Papers

Investigation of Proppant Distributions in Rock Fractures With Applications to Hydraulic Fracturing

Amir A. Mofakham, Farid Rousta, Dustin M. Crandall, Goodarz Ahmadi

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A028, August 10–12, 2021

Paper No: FEDSM2021-65833

DOI: https://doi.org/10.1115/FEDSM2021-65833

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Topics: Fracture (Materials), Fracture (Process), Hydraulic fracturing, Rocks, Computational fluid dynamics, Discrete element methods, Engineering simulation, Fluid dynamics, Simulation, Fluids

Proceedings Papers

Influence of Thermal Plume on Particle Inhalability of a Lying Mannequin in a Room

Maryam Habibi, Mohsen Heidary, Mohammad Mehdi Tavakol, Goodarz Ahmadi

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A016, August 10–12, 2021

Paper No: FEDSM2021-65652

DOI: https://doi.org/10.1115/FEDSM2021-65652

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Topics: Particulate matter, Plumes (Fluid dynamics), Turbulence, Microparticles, Respiratory system, Computational fluid dynamics, Computer simulation, Computer software, Computerized tomography, Flow (Dynamics)

Proceedings Papers

Significance of Vocal Tract Geometrical Variations and Loudness on Airflow and Droplet Dispersion in a Two-Dimensional Representation of [F]

Amir A. Mofakham, Brian T. Helenbrook, Tanvir Ahmed, Byron D. Erath, Andrea R. Ferro, Deborah M. Brown, Goodarz Ahmadi

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A001, August 10–12, 2021

Paper No: FEDSM2021-65485

DOI: https://doi.org/10.1115/FEDSM2021-65485

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Topics: Air flow, Drops, Loudness (Acoustics), Computer software, Dynamics (Mechanics), Computational fluid dynamics, Diseases, Engineering simulation, Flow (Dynamics), Lung

Proceedings Papers

Dispersion of Particles Coming Out of the Mouth While Speaking in a Ventilated Indoor Environment

Morteza Ali Masoomi, Mazyar Salmanzadeh, Goodarz Ahmadi

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A017, August 10–12, 2021

Paper No: FEDSM2021-65837

DOI: https://doi.org/10.1115/FEDSM2021-65837

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Topics: Particulate matter, Ventilation

Proceedings Papers

A New Approach for Response Analysis of Nonlinear Systems Under Random Excitations

Ismail I. Orabi, Goodarz Ahmadi

Proc. ASME. DETC91, 13th Biennial Conference on Mechanical Vibration and Noise: Vibration Analysis — Analytical and Computational, 147-151, September 22–25, 1991

Paper No: DETC1991-0329

DOI: https://doi.org/10.1115/DETC1991-0329

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Topics: Nonlinear systems, Random excitation, Excitation, Computer simulation, Statistics

Proceedings Papers

Particle Transport and Deposition in a Ventilated Room With a Standing Mannequin

Mehrdad Azhdari, Mohammad Mehdi Tavakol, Goodarz Ahmadi

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A023, July 13–15, 2020

Paper No: FEDSM2020-20450

DOI: https://doi.org/10.1115/FEDSM2020-20450

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Topics: Particulate matter, Air flow, Dampers, Diffusers, Flow (Dynamics), Simulation results, Air conditioning, Computer simulation, Computer software, Density

Proceedings Papers

Improved DRW Model for Prediction of Deposition and Dispersion of Nano- and Micro-Particles in Turbulent Flows

Amir A. Mofakham, Goodarz Ahmadi

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A018, July 13–15, 2020

Paper No: FEDSM2020-20034

DOI: https://doi.org/10.1115/FEDSM2020-20034

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Topics: Flow (Dynamics), Microparticles, Particulate matter, Turbulence

Proceedings Papers

Computational Analysis of Fiber Dynamics in Human Nasal Cavity

Jiawei Ma, Jiyuan Tu, Lin Tian, Goodarz Ahmadi

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A019, July 13–15, 2020

Paper No: FEDSM2020-20035

DOI: https://doi.org/10.1115/FEDSM2020-20035

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Topics: Cavities, Dynamics (Mechanics), Fibers, Particulate matter, Rotation, Air flow, Engineering simulation, Polyester fibers, Simulation, Boundary-value problems

Proceedings Papers

A DNS Study of the Dispersion and Deposition of Nano- and Micro-Particles in a Turbulent Channel Flow

Amir A. Mofakham, Goodarz Ahmadi, John B. McLaughlin

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A020, July 13–15, 2020

Paper No: FEDSM2020-20110

DOI: https://doi.org/10.1115/FEDSM2020-20110

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Topics: Channel flow, Lift (Fluid dynamics), Microparticles, Turbulence

Proceedings Papers

Multiphase Flow Development on Single Particle Migration in Low Reynolds Number Fluid Domains

Mahyar Pourghasemi, Nima Fathi, Peter Vorobieff, Goodarz Ahmadi, Kevin R. Anderson

Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T04A038, July 13–15, 2020

Paper No: FEDSM2020-20477

DOI: https://doi.org/10.1115/FEDSM2020-20477

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Topics: Fluids, Multiphase flow, Particulate matter, Reynolds number

Journal Articles

Improved Discrete Random Walk Stochastic Model for Simulating Particle Dispersion and Deposition in Inhomogeneous Turbulent Flows

Amir A. Mofakham, Goodarz Ahmadi

J. Fluids Eng. October 2020, 142(10): 101401.

Paper No: FE-20-1197

DOI: https://doi.org/10.1115/1.4047538

Published Online: July 13, 2020

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Topics: Particulate matter, Turbulence, Fluids

Proceedings Papers

Deposition of Ellipsoidal Fibers in Nasal Cavity: Influence of Non-Creeping Flow Conditions

Mehdi Aboulhasan Tash, Mohammad Mehdi Tavakol, Omid Abouali, Goodarz Ahmadi

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A053, July 28–August 1, 2019

Paper No: AJKFluids2019-5378

DOI: https://doi.org/10.1115/AJKFluids2019-5378

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Topics: Cavities, Fibers, Flow (Dynamics), Particulate matter, Turbulence, Air flow, Computer software, Fluid-dynamic forces, Modeling, Computer simulation

Proceedings Papers

Numerical Simulations of Turbulent Flow Through a 90° Elbow

Ravon Venters, Brian Helenbrook, Goodarz Ahmadi

Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A061, July 28–August 1, 2019

Paper No: AJKFluids2019-5498

DOI: https://doi.org/10.1115/AJKFluids2019-5498

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Topics: Computer simulation, Turbulence, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Simulation, Anisotropy, Stress

Proceedings Papers

Numerical Simulation of Airflow and Ellipsoidal Particle Deposition in Human Upper and Central Respiratory Tract

Morteza Kiasadegh, Zahra Dehghani, Arash Naseri, Omid Abouali, Goodarz Ahmadi

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A041, July 28–August 1, 2019

Paper No: AJKFluids2019-4966

DOI: https://doi.org/10.1115/AJKFluids2019-4966

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Topics: Air flow, Computer simulation, Particulate matter, Respiratory system, Fibers, Trajectories (Physics), Bifurcation, Computerized tomography, Equations of motion, Flow (Dynamics)

Proceedings Papers

Accuracy of the CRW Models for Prediction of the Deposition and Dispersion of Particles in Inhomogeneous Turbulent Channel Flows

Amir A. Mofakham, Goodarz Ahmadi

Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A018, July 28–August 1, 2019

Paper No: AJKFluids2019-4856

DOI: https://doi.org/10.1115/AJKFluids2019-4856

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Topics: Channel flow, Particulate matter, Turbulence, Flow (Dynamics), Fluctuations (Physics), Fluids, Collisions (Physics), Computer simulation, Drag (Fluid dynamics), Engineering simulation

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Journal citation

NARROW

A Numerical Study on the Effect of Carrier Fluid Subgrid Scales Fluctuations on Deposition and Dispersion of Lagrangian Particles

Study of Thixotropic Behavior of Non-Newtonian Fluids in Tool-Joints of Oil Wells

Four-Way Coupled Simulation of Proppants Flowing in Rock Fracture With Realistic Geometry- Hydraulic Fracturing Application

Ventilation System Performance on the Removal of Respiratory Droplets Emitted During Speaking

Investigation of Tool-Joint Effect on Non-Newtonian Drilling Fluids Following the Herschel–Bulkley Model Flow Behavior in Oil Well Drilling

Investigation of Proppant Distributions in Rock Fractures With Applications to Hydraulic Fracturing

Influence of Thermal Plume on Particle Inhalability of a Lying Mannequin in a Room

Significance of Vocal Tract Geometrical Variations and Loudness on Airflow and Droplet Dispersion in a Two-Dimensional Representation of [F]

Dispersion of Particles Coming Out of the Mouth While Speaking in a Ventilated Indoor Environment

A New Approach for Response Analysis of Nonlinear Systems Under Random Excitations

Particle Transport and Deposition in a Ventilated Room With a Standing Mannequin

Improved DRW Model for Prediction of Deposition and Dispersion of Nano- and Micro-Particles in Turbulent Flows

Computational Analysis of Fiber Dynamics in Human Nasal Cavity

A DNS Study of the Dispersion and Deposition of Nano- and Micro-Particles in a Turbulent Channel Flow

Multiphase Flow Development on Single Particle Migration in Low Reynolds Number Fluid Domains

Improved Discrete Random Walk Stochastic Model for Simulating Particle Dispersion and Deposition in Inhomogeneous Turbulent Flows

Deposition of Ellipsoidal Fibers in Nasal Cavity: Influence of Non-Creeping Flow Conditions

Numerical Simulations of Turbulent Flow Through a 90° Elbow

Numerical Simulation of Airflow and Ellipsoidal Particle Deposition in Human Upper and Central Respiratory Tract

Accuracy of the CRW Models for Prediction of the Deposition and Dispersion of Particles in Inhomogeneous Turbulent Channel Flows

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