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Journal Articles

Importance of Sub-Grid Scale Modeling for Accurate Aerodynamic Simulations

Petter Ekman, James Venning, Torbjörn Virdung, Matts Karlsson
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. January 2021, 143(1): 011501.
Paper No: FE-19-1268
DOI: https://doi.org/10.1115/1.4048351
Published Online: October 13, 2020
View Article titled, Importance of Sub-Grid Scale Modeling for Accurate Aerodynamic Simulations
Click here to open pdf in another window PDF for Importance of Sub-Grid Scale Modeling for Accurate Aerodynamic Simulations
Topics: Flow (Dynamics), Resolution (Optics), Simulation, Viscosity, Vortices, Wakes, Eddies (Fluid dynamics), Separation (Technology), Columns (Structural), Modeling
Includes: Supplementary data
Journal Articles

Experimental Assessment of Water Hammer-Induced Column Separation in Oil-Hydraulic Pipe Flow

Marcus Jansson, Magnus Andersson, Maria Pettersson, Matts Karlsson
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. October 2019, 141(10): 101107.
Paper No: FE-18-1521
DOI: https://doi.org/10.1115/1.4043854
Published Online: June 20, 2019
View Article titled, Experimental Assessment of Water Hammer-Induced Column Separation in Oil-Hydraulic Pipe Flow
Click here to open pdf in another window PDF for Experimental Assessment of Water Hammer-Induced Column Separation in Oil-Hydraulic Pipe Flow
Topics: Cavitation, Flow (Dynamics), Pipes, Pressure, Separation (Technology), Temperature, Testing equipment, Valves, Water hammer, Design
Proceedings Papers

On Film Cooling Performance of a Turbine Vane Pressure Side: The Effect of Showerhead and Hole Alignment

Hossein N. Najafabadi, Matts Karlsson, Mats Kinell
Proc. ASME. GT2017, Volume 5C: Heat Transfer, V05CT19A026, June 26–30, 2017
Paper No: GT2017-64746
DOI: https://doi.org/10.1115/GT2017-64746
View Paper titled, On Film Cooling Performance of a Turbine Vane Pressure Side: The Effect of Showerhead and Hole Alignment
Click here to open pdf in another window PDF for On Film Cooling Performance of a Turbine Vane Pressure Side: The Effect of Showerhead and Hole Alignment
Topics: Film cooling, Pressure, Turbines, Cooling, Shapes, Engines, Guide vanes, Heat flux, Thermography, Transients (Dynamics)
Journal Articles

Patient-Specific Simulation of Cardiac Blood Flow From High-Resolution Computed Tomography

Jonas Lantz, Lilian Henriksson, Anders Persson, Matts Karlsson, Tino Ebbers
Journal: Journal of Biomechanical Engineering
Article Type: Research-Article
J Biomech Eng. December 2016, 138(12): 121004.
Paper No: BIO-15-1633
DOI: https://doi.org/10.1115/1.4034652
Published Online: November 3, 2016
View Article titled, Patient-Specific Simulation of Cardiac Blood Flow From High-Resolution Computed Tomography
Click here to open pdf in another window PDF for Patient-Specific Simulation of Cardiac Blood Flow From High-Resolution Computed Tomography
Topics: Blood flow, Cardiac cycle, Flow (Dynamics), Muscle, Resolution (Optics), Simulation, Valves, Geometry, Image registration, Computer simulation
Proceedings Papers

Unsteady Effects in the Heat Load Predictions for a Two-Stage Compressor Turbine

Arman Farhanieh, Christoph Mau, Mats Annerfeldt, Hossein Nadali Najafabadi, Matts Karlsson
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT13A025, June 13–17, 2016
Paper No: GT2016-57742
DOI: https://doi.org/10.1115/GT2016-57742
View Paper titled, Unsteady Effects in the Heat Load Predictions for a Two-Stage Compressor Turbine
Click here to open pdf in another window PDF for Unsteady Effects in the Heat Load Predictions for a Two-Stage Compressor Turbine
Topics: Compressors, Heat, Stress, Turbines, Engineering simulation, Simulation, Cavities, Cooling, Transients (Dynamics), Stators
Journal Articles

Film-Cooling Performance of a Turbine Vane Suction Side: The Showerhead Effect on Film-Cooling Hole Placement for Cylindrical and Fan-Shaped Holes

Hossein Nadali Najafabadi, Matts Karlsson, Mats Kinell, Esa Utriainen
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. September 2015, 137(9): 091005.
Paper No: TURBO-14-1224
DOI: https://doi.org/10.1115/1.4029966
Published Online: September 1, 2015
View Article titled, Film-Cooling Performance of a Turbine Vane Suction Side: The Showerhead Effect on Film-Cooling Hole Placement for Cylindrical and Fan-Shaped Holes
Click here to open pdf in another window PDF for Film-Cooling Performance of a Turbine Vane Suction Side: The Showerhead Effect on Film-Cooling Hole Placement for Cylindrical and Fan-Shaped Holes
Topics: Cooling, Film cooling, Suction
Proceedings Papers

A Three-Regime Based Method for Correlating Film Cooling Effectiveness for Cylindrical and Shaped Holes

Lieke Wang, Mats Kinell, Hossein N. Najafabadi, Matts Karlsson
Proc. ASME. GT2015, Volume 5B: Heat Transfer, V05BT12A004, June 15–19, 2015
Paper No: GT2015-42180
DOI: https://doi.org/10.1115/GT2015-42180
View Paper titled, A Three-Regime Based Method for Correlating Film Cooling Effectiveness for Cylindrical and Shaped Holes
Click here to open pdf in another window PDF for A Three-Regime Based Method for Correlating Film Cooling Effectiveness for Cylindrical and Shaped Holes
Topics: Film cooling, Combustion chambers, Cooling, Density, Gas turbines, Geometry, High temperature, Interpolation, Nozzle guide vanes, Turbulence
Proceedings Papers

Film Cooling Jet Injection Effect in Heat Transfer Coefficient Augmentation for the Pressure Side Cooling of Turbine Vane

Hossein Nadali Najafabadi, Matts Karlsson, Mats Kinell, Esa Utriainen
Proc. ASME. GT2014, Volume 5B: Heat Transfer, V05BT13A038, June 16–20, 2014
Paper No: GT2014-26055
DOI: https://doi.org/10.1115/GT2014-26055
View Paper titled, Film Cooling Jet Injection Effect in Heat Transfer Coefficient Augmentation for the Pressure Side Cooling of Turbine Vane
Click here to open pdf in another window PDF for Film Cooling Jet Injection Effect in Heat Transfer Coefficient Augmentation for the Pressure Side Cooling of Turbine Vane
Topics: Cooling, Film cooling, Heat transfer coefficients, Pressure, Turbines, Blades, Density, Engineering prototypes, Engines, Heat transfer
Proceedings Papers

Subject Specific In-Vivo CFD Estimated Aortic WSS: Comparison Between Manual and Automated Segmentation Methods

Johan Renner, Roland Gårdhagen, Matts Karlsson
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 425-426, June 25–29, 2008
Paper No: SBC2008-192735
DOI: https://doi.org/10.1115/SBC2008-192735
View Paper titled, Subject Specific In-Vivo CFD Estimated Aortic WSS: Comparison Between Manual and Automated Segmentation Methods
Click here to open pdf in another window PDF for Subject Specific In-Vivo CFD Estimated Aortic WSS: Comparison Between Manual and Automated Segmentation Methods
Topics: Computational fluid dynamics, Image segmentation, Biomedical imaging, Magnetic resonance imaging, Aorta, Atherosclerosis, Geometry, Shear stress, Three-dimensional models
Proceedings Papers

Heating in a Stenosed Coronary Artery With Pulsating Flow and Non-Newtonian Viscosity

Jonas Lantz, Roland Gårdhagen, Joakim Wren, Matts Karlsson
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 331-332, June 25–29, 2008
Paper No: SBC2008-192532
DOI: https://doi.org/10.1115/SBC2008-192532
View Paper titled, Heating in a Stenosed Coronary Artery With Pulsating Flow and Non-Newtonian Viscosity
Click here to open pdf in another window PDF for Heating in a Stenosed Coronary Artery With Pulsating Flow and Non-Newtonian Viscosity
Topics: Atherosclerosis, Cardiovascular system, Coronary arteries, Diseases, Erosion, Heating, Pulsatile flow, Rupture, Temperature, Temperature measurement
Proceedings Papers

Large Eddy Simulation of Flow Through a Stenosed Pipe

Roland Gårdhagen, Jonas Lantz, Fredrik Carlsson, Matts Karlsson
Proc. ASME. SBC2008, ASME 2008 Summer Bioengineering Conference, Parts A and B, 445-446, June 25–29, 2008
Paper No: SBC2008-192790
DOI: https://doi.org/10.1115/SBC2008-192790
View Paper titled, Large Eddy Simulation of Flow Through a Stenosed Pipe
Click here to open pdf in another window PDF for Large Eddy Simulation of Flow Through a Stenosed Pipe
Topics: Flow (Dynamics), Large eddy simulation, Pipes, Atherosclerosis, Hemodynamics, Blood flow, Blood vessels, Diseases, Risk, Shear stress
Proceedings Papers

Reduced Aerodynamic Drag for Truck-Trailer Configurations Using Parametrized CFD Studies

Srdan Pavlović, Magnus Andersson, Jonas Lantz, Matts Karlsson
Proc. ASME. IMECE2012, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 1213-1220, November 9–15, 2012
Paper No: IMECE2012-86816
DOI: https://doi.org/10.1115/IMECE2012-86816
View Paper titled, Reduced Aerodynamic Drag for Truck-Trailer Configurations Using Parametrized CFD Studies
Click here to open pdf in another window PDF for Reduced Aerodynamic Drag for Truck-Trailer Configurations Using Parametrized CFD Studies
Topics: Computational fluid dynamics, Drag (Fluid dynamics), Drag reduction, Trucks
Proceedings Papers

Wall Shear Stress in Turbulent Pipe Flow

Roland Gårdhagen, Jonas Lantz, Fredrik Carlsson, Matts Karlsson
Proc. ASME. SBC2009, ASME 2009 Summer Bioengineering Conference, Parts A and B, 963-964, June 17–21, 2009
Paper No: SBC2009-205040
DOI: https://doi.org/10.1115/SBC2009-205040
View Paper titled, Wall Shear Stress in Turbulent Pipe Flow
Click here to open pdf in another window PDF for Wall Shear Stress in Turbulent Pipe Flow
Topics: Pipe flow, Shear stress, Turbulence, Atherosclerosis, Blood flow, Flow (Dynamics), Fluctuations (Physics), Laminar flow, Oscillations, Risk
Proceedings Papers

Wall Shear Stress in an MRI-Based Subject-Specific Human Aorta Using Fluid-Structure Interaction

Jonas Lantz, Johan Renner, Matts Karlsson
Proc. ASME. SBC2010, ASME 2010 Summer Bioengineering Conference, Parts A and B, 563-564, June 16–19, 2010
Paper No: SBC2010-19346
DOI: https://doi.org/10.1115/SBC2010-19346
View Paper titled, Wall Shear Stress in an MRI-Based Subject-Specific Human Aorta Using Fluid-Structure Interaction
Click here to open pdf in another window PDF for Wall Shear Stress in an MRI-Based Subject-Specific Human Aorta Using Fluid-Structure Interaction
Topics: Aorta, Fluid structure interaction, Magnetic resonance imaging, Shear stress, Simulation, Atherosclerosis, Flow (Dynamics), Physiology, Platelets, Pressure
Proceedings Papers

Large Eddy Simulation of Steady and Pulsating Flow in Asymmetric Stenosed Pipe

Roland Gårdhagen, Fredrik Carlsson, Matts Karlsson
Proc. ASME. SBC2010, ASME 2010 Summer Bioengineering Conference, Parts A and B, 573-574, June 16–19, 2010
Paper No: SBC2010-19474
DOI: https://doi.org/10.1115/SBC2010-19474
View Paper titled, Large Eddy Simulation of Steady and Pulsating Flow in Asymmetric Stenosed Pipe
Click here to open pdf in another window PDF for Large Eddy Simulation of Steady and Pulsating Flow in Asymmetric Stenosed Pipe
Topics: Atherosclerosis, Blood, Cardiovascular system, Diseases, Hemodynamics, Large eddy simulation, Pipes, Platelets, Pulsatile flow, Risk
Proceedings Papers

Comparison of Gas Turbine Vane Pressure Side and Suction Side Film Cooling Performance and the Applicability of Superposition

Mats Kinell, Esa Utriainen, Hossein Nadali Najafabadi, Matts Karlsson, Botond Barabas
Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 1479-1489, June 11–15, 2012
Paper No: GT2012-68994
DOI: https://doi.org/10.1115/GT2012-68994
View Paper titled, Comparison of Gas Turbine Vane Pressure Side and Suction Side Film Cooling Performance and the Applicability of Superposition
Click here to open pdf in another window PDF for Comparison of Gas Turbine Vane Pressure Side and Suction Side Film Cooling Performance and the Applicability of Superposition
Topics: Film cooling, Gas turbines, Pressure, Suction, Temperature, Cooling, Engineering prototypes, Heat transfer coefficients, Airfoils, Boundary layers
Proceedings Papers

Film Effectiveness Correlations for Cylindrical and Fan-Shaped Holes, Introducing Local Pressure Coefficient

Hossein N. Nadali, Matts Karlsson, Mats Kinell, Esa Utriainen
Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 1491-1500, June 11–15, 2012
Paper No: GT2012-69021
DOI: https://doi.org/10.1115/GT2012-69021
View Paper titled, Film Effectiveness Correlations for Cylindrical and Fan-Shaped Holes, Introducing Local Pressure Coefficient
Click here to open pdf in another window PDF for Film Effectiveness Correlations for Cylindrical and Fan-Shaped Holes, Introducing Local Pressure Coefficient
Topics: Pressure, Flow (Dynamics), Cooling, Film cooling, Suction, Gas turbines, Airfoils, Engines, Flat plates, Pressure gradient
Proceedings Papers

CFD Based Sensitivity Analysis of Influencing Flow Parameters for Cylindrical and Shaped Holes in a Gas Turbine Vane

Hossein N. Nadali, Matts Karlsson, Mats Kinell, Esa Utriainen
Proc. ASME. GT2012, Volume 4: Heat Transfer, Parts A and B, 1501-1509, June 11–15, 2012
Paper No: GT2012-69023
DOI: https://doi.org/10.1115/GT2012-69023
View Paper titled, CFD Based Sensitivity Analysis of Influencing Flow Parameters for Cylindrical and Shaped Holes in a Gas Turbine Vane
Click here to open pdf in another window PDF for CFD Based Sensitivity Analysis of Influencing Flow Parameters for Cylindrical and Shaped Holes in a Gas Turbine Vane
Topics: Computational fluid dynamics, Flow (Dynamics), Gas turbines, Sensitivity analysis, Film cooling, Cooling, Pressure, Density, Engines, Shapes
Proceedings Papers

Fan Shaped and Cylindrical Holes Studied in Vane Film Cooling Test Rig

Mats Kinell, Esa Utriainen, Jonas Hyle´n, Jonas Gustavsson, Andreas Bradley, Matts Karlsson, Joakim Wren
Proc. ASME. GT2010, Volume 4: Heat Transfer, Parts A and B, 1777-1784, June 14–18, 2010
Paper No: GT2010-23308
DOI: https://doi.org/10.1115/GT2010-23308
View Paper titled, Fan Shaped and Cylindrical Holes Studied in Vane Film Cooling Test Rig
Click here to open pdf in another window PDF for Fan Shaped and Cylindrical Holes Studied in Vane Film Cooling Test Rig
Topics: Film cooling, Airfoils, Heat transfer coefficients, Suction, Flow (Dynamics), Pressure, Boundary layers, Computational fluid dynamics, Emissions, Engines
Journal Articles

Quantifying Turbulent Wall Shear Stress in a Stenosed Pipe Using Large Eddy Simulation

Roland Gårdhagen, Jonas Lantz, Fredrik Carlsson, Matts Karlsson
Journal: Journal of Biomechanical Engineering
Article Type: Research Papers
J Biomech Eng. June 2010, 132(6): 061002.
DOI: https://doi.org/10.1115/1.4001075
Published Online: April 16, 2010
View Article titled, Quantifying Turbulent Wall Shear Stress in a Stenosed Pipe Using Large Eddy Simulation
Click here to open pdf in another window PDF for Quantifying Turbulent Wall Shear Stress in a Stenosed Pipe Using Large Eddy Simulation
Topics: Flow (Dynamics), Pipes, Shear stress, Turbulence, Large eddy simulation