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Journal Articles

Numerical Investigation of Aerosolization in the Venturi Dustiness Tester: Aerodynamics of a Particle on a Hill

Nithin Kumar Palakurthi, Urmila Ghia, Leonid A. Turkevich

J. Fluids Eng. June 2022, 144(6): 061113.

Paper No: FE-21-1455

DOI: https://doi.org/10.1115/1.4054099

Published Online: April 5, 2022

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Topics: Cylinders, Drag (Fluid dynamics), Flow (Dynamics), Particulate matter, Wedges, Venturi tubes, Aerodynamics

Includes: Supplementary data

Proceedings Papers

RANS-VOF Simulations of Fully Developed Density-Stratified Air-Water Flow in a 3D Rectangular Duct

Chandrima Jana Maiti, Urmila Ghia, Leonid A. Turkevich

Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A010, August 10–12, 2021

Paper No: FEDSM2021-65177

DOI: https://doi.org/10.1115/FEDSM2021-65177

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Topics: Corners (Structural elements), Density, Ducts, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Simulation, Turbulence, Water

Proceedings Papers

RANS VOF Simulations of Density-Stratified Air-Water Flow in a 2D Channel

Chandrima Jana Maiti, Urmila Ghia, Leonid A. Turkevich

Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A020, July 13–15, 2020

Paper No: FEDSM2020-20338

DOI: https://doi.org/10.1115/FEDSM2020-20338

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Topics: Density, Flow (Dynamics), Reynolds-averaged Navier–Stokes equations, Simulation, Water, Turbulence, Pressure gradient, Reynolds number, Boundary-value problems, Fluids

Proceedings Papers

Large Eddy Simulation of Flow Over a Hemispherical Obstacle Within a Cylindrical Tube

Amit Sharma, Urmila Ghia, Leonid A. Turkevich

Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A036, July 13–15, 2020

Paper No: FEDSM2020-20165

DOI: https://doi.org/10.1115/FEDSM2020-20165

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Topics: Flow (Dynamics), Large eddy simulation, Vortices, Modeling, Separation (Technology), Vorticity, Arches, Boundary layers, Nanoscale phenomena, Reynolds number

Journal Articles

Theoretical Analysis of Computational Fluid Dynamics–Discrete Element Method Mathematical Model Solution Change With Varying Computational Cell Size

Annette Volk, Urmila Ghia

J. Fluids Eng. September 2019, 141(9): 091402.

Paper No: FE-18-1498

DOI: https://doi.org/10.1115/1.4042956

Published Online: April 1, 2019

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Topics: Drag (Fluid dynamics), Particulate matter, Porosity, Discrete element methods, Computational fluid dynamics

Proceedings Papers

Theoretical Analysis of CFD-DEM Mathematical Model Solution Change With Varying Computational Cell Size

Annette Volk, Urmila Ghia

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, V003T18A005, July 15–20, 2018

Paper No: FEDSM2018-83263

DOI: https://doi.org/10.1115/FEDSM2018-83263

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Topics: Computational fluid dynamics, Discrete element methods, Theoretical analysis, Porosity, Drag (Fluid dynamics), Particulate matter, Engineering simulation, Simulation

Journal Articles

How Computational Grid Refinement in Three Dimensions Affects Computational Fluid Dynamics-Discrete Element Method Results for Psuedo-Two-Dimensional Fluidized Gas–Solid Beds

Annette Volk, Urmila Ghia, Milind A. Jog

J. Fluids Eng. December 2018, 140(12): 121303.

Paper No: FE-17-1693

DOI: https://doi.org/10.1115/1.4040763

Published Online: August 6, 2018

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Topics: Bubbles, Computational fluid dynamics, Dimensions, Drag (Fluid dynamics), Engineering simulation, Fluidized beds, Fluids, Particulate matter, Simulation, Simulation results

Proceedings Papers

How Computational Grid Refinement in Three Dimensions Affects CFD-DEM Results for Psuedo-2D Fluidized Gas-Solid Beds

Annette Volk, Urmila Ghia

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, V01BT11A015, July 30–August 3, 2017

Paper No: FEDSM2017-69222

DOI: https://doi.org/10.1115/FEDSM2017-69222

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Topics: Computational fluid dynamics, Dimensions, Discrete element methods, Engineering simulation, Simulation, Simulation results, Design, Drag (Fluid dynamics), Fluidized beds

Proceedings Papers

Simulations of Particle Detachment From a Flat Surface

Nithin Kumar Palakurthi, Urmila Ghia, Leonid Turkevich

Paper No: FEDSM2017-69111

DOI: https://doi.org/10.1115/FEDSM2017-69111

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Topics: Engineering simulation, Particulate matter, Simulation, Aerodynamics, Drag (Fluid dynamics), Flow (Dynamics), Boundary layers, Cylinders, Drugs, Dust

Proceedings Papers

Quantification of Numerical and Modeling Errors in Simulation of Fluid Flow Through a Fixed Particle Bed

Annette Volk, Urmila Ghia, Christopher Stoltz, John Hecht, Jason Stamper

Proc. ASME. FEDSM2016, Volume 1B, Symposia: Fluid Mechanics (Fundamental Issues and Perspectives; Industrial and Environmental Applications); Multiphase Flow and Systems (Multiscale Methods; Noninvasive Measurements; Numerical Methods; Heat Transfer; Performance); Transport Phenomena (Clean Energy; Mixing; Manufacturing and Materials Processing); Turbulent Flows — Issues and Perspectives; Algorithms and Applications for High Performance CFD Computation; Fluid Power; Fluid Dynamics of Wind Energy; Marine Hydrodynamics, V01BT21A001, July 10–14, 2016

Paper No: FEDSM2016-7561

DOI: https://doi.org/10.1115/FEDSM2016-7561

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Topics: Errors, Fluid dynamics, Modeling, Particulate matter, Simulation, Computational fluid dynamics, Flow (Dynamics), Discrete element methods, Computer simulation, Drag (Fluid dynamics)

Journal Articles

von Neumann Stability Analysis of a Segregated Pressure-Based Solution Scheme for One-Dimensional and Two-Dimensional Flow Equations

Santosh Konangi, Nikhil K. Palakurthi, Urmila Ghia

J. Fluids Eng. October 2016, 138(10): 101401.

Paper No: FE-15-1597

DOI: https://doi.org/10.1115/1.4033958

Published Online: July 13, 2016

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Topics: Stability, Pressure, Momentum

Journal Articles

Development of Delphi-Type Compact Thermal Models for Opto-Electronic Packages

Arun Prakash Raghupathy, John Janssen, Attila Aranyosi, Urmila Ghia, Karman Ghia, William Maltz

J. Electron. Packag. March 2011, 133(1): 011003.

DOI: https://doi.org/10.1115/1.4003217

Published Online: March 3, 2011

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Topics: Boundary-value problems, Errors, Flow (Dynamics), Heat, Junctions, Natural convection, Temperature, Computational fluid dynamics, Optimization, Forced convection

Proceedings Papers

Development of Boundary Condition Independent Compact Thermal Models for Opto-Electronic Packages

Arun Prakash Raghupathy, Attila Aranyosi, Urmila Ghia, Karman Ghia, William Maltz

Proc. ASME. InterPACK2009, ASME 2009 InterPACK Conference, Volume 2, 741-751, July 19–23, 2009

Paper No: InterPACK2009-89092

DOI: https://doi.org/10.1115/InterPACK2009-89092

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Topics: Boundary-value problems, Heat, Construction, Design, Errors, Flow (Dynamics), Junctions, Matlab, Natural convection, Optimization

Journal Articles

Boundary-Condition-Independent Reduced-Order Modeling of Heat Transfer in Complex Objects by POD-Galerkin Methodology: 1D Case Study

Arun P. Raghupathy, Urmila Ghia, Karman Ghia, William Maltz

J. Heat Transfer. June 2010, 132(6): 064502.

DOI: https://doi.org/10.1115/1.4000945

Published Online: April 1, 2010

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Topics: Boundary-value problems, Computational fluid dynamics, Finite volume methods, Heat, Heat transfer, Modeling, Temperature, Transients (Dynamics)

Proceedings Papers

Active Separation Control of Flow Over a Wall-Mounted Hump Using Zero-Efflux Synthetic Jet

Subhadeep Gan, Urmila Ghia, Karman Ghia

Proc. ASME. IMECE2008, Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C, 959-967, October 31–November 6, 2008

Paper No: IMECE2008-69137

DOI: https://doi.org/10.1115/IMECE2008-69137

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Topics: Flow (Dynamics), Separation (Technology), Turbulence, Flow control, Jets, Modeling, NASA, Boundary-value problems, Chords (Trusses), Computational fluid dynamics

Proceedings Papers

Active Flow Control of Separated Turbulent Flow Over a Hump Using RANS, DES, and LES

Subhadeep Gan, Urmila Ghia, Karman Ghia

Proc. ASME. FEDSM2008, Volume 1: Symposia, Parts A and B, 523-530, August 10–14, 2008

Paper No: FEDSM2008-55130

DOI: https://doi.org/10.1115/FEDSM2008-55130

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Topics: Flow control, Reynolds-averaged Navier–Stokes equations, Turbulence, Flow (Dynamics), Separation (Technology), Flow separation, Suction, Modeling, NASA, Reynolds number

Proceedings Papers

Single Hole Film Cooling on a Turbine-Blade Leading-Edge Model

Suman Mishra, Rohan Wanchoo, Urmila Ghia, Kirti N. Ghia

Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 743-749, November 11–15, 2007

Paper No: IMECE2007-44060

DOI: https://doi.org/10.1115/IMECE2007-44060

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Topics: Film cooling, Turbine blades, Coolants, Flow (Dynamics), Turbulence, Cylinders, Simulation, Dimensions, Wind tunnels

Proceedings Papers

RANS and Large Eddy Simulation (LES) for Prediction of Separated Flow Characteristics for Flow Over a Wall-Mounted Hump

Subhadeep Gan, Shirdish Poondru, Urmila Ghia, Karman Ghia

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1405-1417, July 30–August 2, 2007

Paper No: FEDSM2007-37333

DOI: https://doi.org/10.1115/FEDSM2007-37333

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Topics: Flow (Dynamics), Large eddy simulation, Reynolds-averaged Navier–Stokes equations, Turbulence, Computational fluid dynamics, Chords (Trusses), Pressure gradient, Simulation, NASA, Separation (Technology)

Proceedings Papers

Numerical Simulation of Dual-Jet System in Cross Flow

Aravind Kishore, Urmila Ghia, K. N. Ghia

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1233-1240, July 30–August 2, 2007

Paper No: FEDSM2007-37324

DOI: https://doi.org/10.1115/FEDSM2007-37324

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Topics: Computer simulation, Cross-flow, Flow (Dynamics), Jets

Proceedings Papers

Two-Dimensional Low Mach Number Heat Transfer Simulation of Turbine Blade Leading-Edge Model

Jeff Litzler, Suman Mishra, Urmila Ghia, Karman Ghia, Shichuan Ou

Proc. ASME. FEDSM2007, Volume 1: Symposia, Parts A and B, 1787-1793, July 30–August 2, 2007

Paper No: FEDSM2007-37085

DOI: https://doi.org/10.1115/FEDSM2007-37085

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Topics: Heat transfer, Mach number, Simulation, Turbine blades, Flow (Dynamics), Cylinders, Geometry, Boundary-value problems, Cobalt, Computer simulation

Journal citation

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Supplemental Material

Numerical Investigation of Aerosolization in the Venturi Dustiness Tester: Aerodynamics of a Particle on a Hill

RANS-VOF Simulations of Fully Developed Density-Stratified Air-Water Flow in a 3D Rectangular Duct

RANS VOF Simulations of Density-Stratified Air-Water Flow in a 2D Channel

Large Eddy Simulation of Flow Over a Hemispherical Obstacle Within a Cylindrical Tube

Theoretical Analysis of Computational Fluid Dynamics–Discrete Element Method Mathematical Model Solution Change With Varying Computational Cell Size

Theoretical Analysis of CFD-DEM Mathematical Model Solution Change With Varying Computational Cell Size

How Computational Grid Refinement in Three Dimensions Affects Computational Fluid Dynamics-Discrete Element Method Results for Psuedo-Two-Dimensional Fluidized Gas–Solid Beds

How Computational Grid Refinement in Three Dimensions Affects CFD-DEM Results for Psuedo-2D Fluidized Gas-Solid Beds

Simulations of Particle Detachment From a Flat Surface

Quantification of Numerical and Modeling Errors in Simulation of Fluid Flow Through a Fixed Particle Bed

von Neumann Stability Analysis of a Segregated Pressure-Based Solution Scheme for One-Dimensional and Two-Dimensional Flow Equations

Development of Delphi-Type Compact Thermal Models for Opto-Electronic Packages

Development of Boundary Condition Independent Compact Thermal Models for Opto-Electronic Packages

Boundary-Condition-Independent Reduced-Order Modeling of Heat Transfer in Complex Objects by POD-Galerkin Methodology: 1D Case Study

Active Separation Control of Flow Over a Wall-Mounted Hump Using Zero-Efflux Synthetic Jet

Active Flow Control of Separated Turbulent Flow Over a Hump Using RANS, DES, and LES

Single Hole Film Cooling on a Turbine-Blade Leading-Edge Model

RANS and Large Eddy Simulation (LES) for Prediction of Separated Flow Characteristics for Flow Over a Wall-Mounted Hump

Numerical Simulation of Dual-Jet System in Cross Flow

Two-Dimensional Low Mach Number Heat Transfer Simulation of Turbine Blade Leading-Edge Model

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