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Proceedings Papers

Evaluation of the Dynamic Subgrid-Scale Stress Model in Finite-Differenced Les: Effects of Grid Resolution and Inhomogeneous Test Filtering

Fady M. Najjar, Danesh K. Tafti
Proc. ASME. IMECE96, Fluids Engineering, 229-236, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0980
https://doi.org/10.1115/IMECE1996-0980
View Paper titled, Evaluation of the Dynamic Subgrid-Scale Stress Model in Finite-Differenced Les: Effects of Grid Resolution and Inhomogeneous Test Filtering
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Topics: Filtration, Resolution (Optics), Stress, Filters, Turbulence, Approximation, Channel flow, Dynamic models, Flow (Dynamics), Large eddy simulation
Proceedings Papers

A Micro-Scale Computational Investigation on the Effects of Leaf Hair on PM 2.5 Deposition

Jedhathai (Vicky) Boontanom, Danesh K. Tafti
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T01A014, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87200
https://doi.org/10.1115/FEDSM2022-87200
View Paper titled, A Micro-Scale Computational Investigation on the Effects of Leaf Hair on PM 2.5 Deposition
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Topics: Microscale devices, Aerosols, Cities, Computational fluid dynamics, Density, Particulate matter, Pollution, Wind velocity, Air pollution, Diluents
Journal Articles

Particle Scale Investigation of Influencing Factors on Heat Transfer in Nonspherical Particle–Fluid System

Ze Cao, Danesh K. Tafti
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. August 2022, 144(8): 082701.
Paper No: HT-22-1043
https://doi.org/10.1115/1.4054414
Published Online: May 12, 2022
View Article titled, Particle Scale Investigation of Influencing Factors on Heat Transfer in Nonspherical Particle–Fluid System
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Topics: Cylinders, Heat transfer, Particulate matter, Flow (Dynamics), Fluids
Journal Articles

Fully Coupled Large Eddy Simulation-Conjugate Heat Transfer Analysis of a Ribbed Cooling Passage Using the Immersed Boundary Method

Tae Kyung Oh, Danesh K. Tafti, Krishnamurthy Nagendra
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2021, 143(4): 041012.
Paper No: TURBO-19-1279
https://doi.org/10.1115/1.4050111
Published Online: March 24, 2021
View Article titled, Fully Coupled Large Eddy Simulation-Conjugate Heat Transfer Analysis of a Ribbed Cooling Passage Using the Immersed Boundary Method
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Topics: Cooling, Heat transfer, Simulation, Temperature, Ducts, Turbulence, Fluids, Boundary-value problems, Flow (Dynamics)
Proceedings Papers

Validation of a Time Dependent Physio-Chemical Model for Thrombus Formation and Growth

Hamid Hosseinzadegan, Danesh K. Tafti
Proc. ASME. FEDSM2016, Volume 1A, Symposia: Turbomachinery Flow Simulation and Optimization; Applications in CFD; Bio-Inspired and Bio-Medical Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES and Hybrid RANS/LES Methods; Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Active Fluid Dynamics and Flow Control — Theory, Experiments and Implementation, V01AT04A007, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7803
https://doi.org/10.1115/FEDSM2016-7803
View Paper titled, Validation of a Time Dependent Physio-Chemical Model for Thrombus Formation and Growth
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Topics: Thrombosis, Platelets, Computational fluid dynamics, Engineering simulation, Shear (Mechanics), Simulation, Adhesion, Boundary layers, Erythrocytes, Flow (Dynamics)
Proceedings Papers

Computational Model of Human Capillary Hydrodynamics

Peter W. Windes, Danesh K. Tafti, Bahareh Behkam
Proc. ASME. FEDSM2016, Volume 1A, Symposia: Turbomachinery Flow Simulation and Optimization; Applications in CFD; Bio-Inspired and Bio-Medical Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES and Hybrid RANS/LES Methods; Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Active Fluid Dynamics and Flow Control — Theory, Experiments and Implementation, V01AT04A008, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7858
https://doi.org/10.1115/FEDSM2016-7858
View Paper titled, Computational Model of Human Capillary Hydrodynamics
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Topics: Hydrodynamics, Erythrocytes, Plasmas (Ionized gases), Blood, Shapes, Computational fluid dynamics, Deformation, Flow (Dynamics), Fluids, Simulation
Proceedings Papers

The Effect of Advance Ratio, Solidity, and Wake Interactions on a 2D Vertical Axis Turbine

Adam E. Norman, Danesh K. Tafti
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, V01BT29A005, July 10–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2016-7801
https://doi.org/10.1115/FEDSM2016-7801
View Paper titled, The Effect of Advance Ratio, Solidity, and Wake Interactions on a 2D Vertical Axis Turbine
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Topics: Turbines, Wakes, Flow (Dynamics), Blades, Engineering simulation, Simulation, Tides, Turbine blades, Airfoils, Computational fluid dynamics
Journal Articles

Prediction of Sand Transport and Deposition in a Two-Pass Internal Cooling Duct

Sukhjinder Singh, Danesh K. Tafti
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2016, 138(7): 072606.
Paper No: GTP-15-1500
https://doi.org/10.1115/1.4032340
Published Online: February 17, 2016
View Article titled, Prediction of Sand Transport and Deposition in a Two-Pass Internal Cooling Duct
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Topics: Particulate matter, Sands, Flow (Dynamics), Temperature, Wall temperature, Cooling, Turbulence
Proceedings Papers

DEM Predictions of NETL Small Scale Challenge Problem

Husam A. Elghannay, Danesh K. Tafti
Proc. ASME. FEDSM2014, Volume 1C, Symposia: Fundamental Issues and Perspectives in Fluid Mechanics; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Gas-Solid Flows: Dedicated to the Memory of Professor Clayton T. Crowe; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes, V01CT23A001, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2014-21032
https://doi.org/10.1115/FEDSM2014-21032
View Paper titled, DEM Predictions of NETL Small Scale Challenge Problem
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Topics: Discrete element methods, Computational fluid dynamics, Pressure drop, Fluidized beds, Fluids, Hydrodynamics, Large eddy simulation, Nylon fabrics, Particulate matter, Time series
Journal Articles

Effects of Elastic Modulus Change in Helical Tubes Under the Influence of Dynamic Changes in Curvature and Torsion

N. K. C. Selvarasu, Danesh K. Tafti
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. August 2014, 136(8): 081001.
Paper No: BIO-13-1121
https://doi.org/10.1115/1.4027661
Published Online: June 2, 2014
View Article titled, Effects of Elastic Modulus Change in Helical Tubes Under the Influence of Dynamic Changes in Curvature and Torsion
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Topics: Elastic moduli, Flow (Dynamics), Torsion, Vorticity, Vessels, Stents, Pressure, Coronary arteries, Hemodynamics, Density
Journal Articles

Effect of Pin Tip Dual Clearance on Flow and Heat Transfer at Low Reynolds Numbers

Michael L. Seibert, Neal E. Blackwell, Danesh K. Tafti
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. July 2014, 136(7): 071901.
Paper No: HT-13-1385
https://doi.org/10.1115/1.4027184
Published Online: April 10, 2014
View Article titled, Effect of Pin Tip Dual Clearance on Flow and Heat Transfer at Low Reynolds Numbers
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Topics: Clearances (Engineering), Fins, Flow (Dynamics), Heat, Heat transfer, Reynolds number, Mass transfer, Pins (Engineering), Friction
Journal Articles

Flows Through Reconstructed Porous Media Using Immersed Boundary Methods

Krishnamurthy Nagendra, Danesh K. Tafti
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Special Section Articles
J. Fluids Eng. April 2014, 136(4): 040908.
Paper No: FE-13-1081
https://doi.org/10.1115/1.4026102
Published Online: February 28, 2014
View Article titled, Flows Through Reconstructed Porous Media Using Immersed Boundary Methods
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Topics: Flow (Dynamics), Porous materials, Pressure drop, Simulation, Particulate matter
Journal Articles

Effect of Blowing Ratio on Early Stage Deposition of Syngas Ash on a Film-Cooled Vane Leading Edge Using Large Eddy Simulations

Sai Shrinivas Sreedharan, Danesh K. Tafti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2013, 135(6): 061005.
Paper No: TURBO-10-1205
https://doi.org/10.1115/1.4025153
Published Online: September 13, 2013
View Article titled, Effect of Blowing Ratio on Early Stage Deposition of Syngas Ash on a Film-Cooled Vane Leading Edge Using Large Eddy Simulations
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Topics: Coolants, Flow (Dynamics), Particulate matter, Temperature, Turbulence, Viscosity, Syngas, Large eddy simulation
Proceedings Papers

Flows Through Reconstructed Porous Media Using Immersed Boundary Methods

Krishnamurthy Nagendra, Danesh K. Tafti
Proc. ASME. FEDSM2012, Volume 1: Symposia, Parts A and B, 1375-1383, July 8–12, 2012
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2012-72128
https://doi.org/10.1115/FEDSM2012-72128
View Paper titled, Flows Through Reconstructed Porous Media Using Immersed Boundary Methods
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Topics: Flow (Dynamics), Porous materials, Computer simulation, Simulated annealing, Simulation
Journal Articles

Large-Eddy Simulation for Turbulent Heat Transfer

Danesh K. Tafti
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. June 2013, 5(2): 021001.
Paper No: TSEA-12-1156
https://doi.org/10.1115/1.4023955
Published Online: May 17, 2013
View Article titled, Large-Eddy Simulation for Turbulent Heat Transfer
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Topics: Combustion chambers, Flow (Dynamics), Heat transfer, Large eddy simulation, Modeling, Reynolds-averaged Navier–Stokes equations, Stress, Turbulence, Turbulent heat transfer, Boundary-value problems
Journal Articles

Investigation of the Effects of Dynamic Change in Curvature and Torsion on Pulsatile Flow in a Helical Tube

N. K. C. Selvarasu, Danesh K. Tafti
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. July 2012, 134(7): 071005.
https://doi.org/10.1115/1.4006984
Published Online: July 13, 2012
View Article titled, Investigation of the Effects of Dynamic Change in Curvature and Torsion on Pulsatile Flow in a Helical Tube
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Topics: Flow (Dynamics), Hemodynamics, Pulsatile flow, Torsion, Vorticity, Shear stress, Coronary arteries, Density, Pressure
Journal Articles

Investigation of Coriolis Forces Effect of Flow Structure and Heat Transfer Distribution in a Rotating Dimpled Channel

Mohammad A. Elyyan, Danesh K. Tafti
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2012, 134(3): 031007.
https://doi.org/10.1115/1.4003027
Published Online: July 14, 2011
View Article titled, Investigation of Coriolis Forces Effect of Flow Structure and Heat Transfer Distribution in a Rotating Dimpled Channel
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Topics: Coriolis force, Flow (Dynamics), Heat transfer, Rotation, Turbulence, Friction
Journal Articles

Hydrodynamic Effects of Compliance Mismatch in Stented Arteries

N. K. C. Selvarasu, Danesh K. Tafti, Pavlos P. Vlachos
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. February 2011, 133(2): 021008.
https://doi.org/10.1115/1.4003319
Published Online: January 31, 2011
View Article titled, Hydrodynamic Effects of Compliance Mismatch in Stented Arteries
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Topics: Computational fluid dynamics, Flow (Dynamics), Fluid structure interaction, Hemodynamics, Pressure, Pressure gradient, Shear stress, Stents, Vessels, Shear (Mechanics)
Proceedings Papers

Composition Dependent Model for the Prediction of Syngas Ash Deposition With Application to a Leading Edge Turbine Vane

Sai Shrinivas Sreedharan, Danesh K. Tafti
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 615-626, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-23655
https://doi.org/10.1115/GT2010-23655
View Paper titled, Composition Dependent Model for the Prediction of Syngas Ash Deposition With Application to a Leading Edge Turbine Vane
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Topics: Syngas, Turbines, Particulate matter, Temperature, Fly ash, Accounting, Computer simulation, Flat plates, Flow (Dynamics), Geometry
Proceedings Papers

Investigation of Sand Particle Deposition and Erosion Within a Short Pin Fin Array

Jonathan B. Cowan, Danesh K. Tafti, Atul Kohli
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 139-149, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22362
https://doi.org/10.1115/GT2010-22362
View Paper titled, Investigation of Sand Particle Deposition and Erosion Within a Short Pin Fin Array
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Topics: Erosion, Particulate matter, Sands, Temperature, Fluids, Simulation