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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
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. June 2022, 144(6): 061113.
Paper No: FE-21-1455
https://doi.org/10.1115/1.4054099
Published Online: April 5, 2022
View Article titled, Numerical Investigation of Aerosolization in the Venturi Dustiness Tester: Aerodynamics of a Particle on a Hill
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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
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65177
https://doi.org/10.1115/FEDSM2021-65177
View Paper titled, RANS-VOF Simulations of Fully Developed Density-Stratified Air-Water Flow in a 3D Rectangular Duct
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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
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20338
https://doi.org/10.1115/FEDSM2020-20338
View Paper titled, RANS VOF Simulations of Density-Stratified Air-Water Flow in a 2D Channel
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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
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20165
https://doi.org/10.1115/FEDSM2020-20165
View Paper titled, Large Eddy Simulation of Flow Over a Hemispherical Obstacle Within a Cylindrical Tube
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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
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. September 2019, 141(9): 091402.
Paper No: FE-18-1498
https://doi.org/10.1115/1.4042956
Published Online: April 1, 2019
View Article titled, Theoretical Analysis of Computational Fluid Dynamics–Discrete Element Method Mathematical Model Solution Change With Varying Computational Cell Size
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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
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83263
https://doi.org/10.1115/FEDSM2018-83263
View Paper titled, Theoretical Analysis of CFD-DEM Mathematical Model Solution Change With Varying Computational Cell Size
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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
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. December 2018, 140(12): 121303.
Paper No: FE-17-1693
https://doi.org/10.1115/1.4040763
Published Online: August 6, 2018
View Article titled, How Computational Grid Refinement in Three Dimensions Affects Computational Fluid Dynamics-Discrete Element Method Results for Psuedo-Two-Dimensional Fluidized Gas–Solid Beds
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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

Simulations of Particle Detachment From a Flat Surface

Nithin Kumar Palakurthi, Urmila Ghia, Leonid Turkevich
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, V01BT11A006, July 30–August 3, 2017
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69111
https://doi.org/10.1115/FEDSM2017-69111
View Paper titled, Simulations of Particle Detachment From a Flat Surface
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Topics: Engineering simulation, Particulate matter, Simulation, Aerodynamics, Drag (Fluid dynamics), Flow (Dynamics), Boundary layers, Cylinders, Drugs, Dust
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
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2017-69222
https://doi.org/10.1115/FEDSM2017-69222
View Paper titled, How Computational Grid Refinement in Three Dimensions Affects CFD-DEM Results for Psuedo-2D Fluidized Gas-Solid Beds
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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

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
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7561
https://doi.org/10.1115/FEDSM2016-7561
View Paper titled, Quantification of Numerical and Modeling Errors in Simulation of Fluid Flow Through a Fixed Particle Bed
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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
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2016, 138(10): 101401.
Paper No: FE-15-1597
https://doi.org/10.1115/1.4033958
Published Online: July 13, 2016
View Article titled, von Neumann Stability Analysis of a Segregated Pressure-Based Solution Scheme for One-Dimensional and Two-Dimensional Flow Equations
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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
Journal: Journal of Electronic Packaging
Publisher: ASME
Article Type: Research Papers
J. Electron. Packag. March 2011, 133(1): 011003.
https://doi.org/10.1115/1.4003217
Published Online: March 3, 2011
View Article titled, Development of Delphi-Type Compact Thermal Models for Opto-Electronic Packages
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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
Publisher: American Society of Mechanical Engineers
Paper No: InterPACK2009-89092
https://doi.org/10.1115/InterPACK2009-89092
View Paper titled, Development of Boundary Condition Independent Compact Thermal Models for Opto-Electronic Packages
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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
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. June 2010, 132(6): 064502.
https://doi.org/10.1115/1.4000945
Published Online: April 1, 2010
View Article titled, Boundary-Condition-Independent Reduced-Order Modeling of Heat Transfer in Complex Objects by POD-Galerkin Methodology: 1D Case Study
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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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2008-69137
https://doi.org/10.1115/IMECE2008-69137
View Paper titled, Active Separation Control of Flow Over a Wall-Mounted Hump Using Zero-Efflux Synthetic Jet
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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
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2008-55130
https://doi.org/10.1115/FEDSM2008-55130
View Paper titled, Active Flow Control of Separated Turbulent Flow Over a Hump Using RANS, DES, and LES
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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
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-44060
https://doi.org/10.1115/IMECE2007-44060
View Paper titled, Single Hole Film Cooling on a Turbine-Blade Leading-Edge Model
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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
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37333
https://doi.org/10.1115/FEDSM2007-37333
View Paper titled, RANS and Large Eddy Simulation (LES) for Prediction of Separated Flow Characteristics for Flow Over a Wall-Mounted Hump
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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
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37324
https://doi.org/10.1115/FEDSM2007-37324
View Paper titled, Numerical Simulation of Dual-Jet System in Cross Flow
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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
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2007-37085
https://doi.org/10.1115/FEDSM2007-37085
View Paper titled, Two-Dimensional Low Mach Number Heat Transfer Simulation of Turbine Blade Leading-Edge Model
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Topics: Heat transfer, Mach number, Simulation, Turbine blades, Flow (Dynamics), Cylinders, Geometry, Boundary-value problems, Cobalt, Computer simulation