1-20 of 42
Mark F. Tachie,
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Effects of Aspect Ratio on Asymmetric Wake Flow Structure Around Right-Trapezoidal Prisms

Aleyna Guney, Fati Bio Abdul-Salam, Amir Sagharichi, Mark F. Tachie
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T03A003, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-123929
https://doi.org/10.1115/FEDSM2024-123929
View Paper titled, Effects of Aspect Ratio on Asymmetric Wake Flow Structure Around Right-Trapezoidal Prisms
Open the PDF for Effects of Aspect Ratio on Asymmetric Wake Flow Structure Around Right-Trapezoidal Prisms in another window
Topics: Flow (Dynamics), Particle image velocimetry, Prisms (Optics), Wakes
Proceedings Papers

Characteristics of Turbulent Flow Around Right-Trapezoidal Prisms With Varying Upper and Lower Lengths

Aleyna Guney, Fati Bio Abdul-Salam, Amir Sagharichi, Mark F. Tachie
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T03A017, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-131252
https://doi.org/10.1115/FEDSM2024-131252
View Paper titled, Characteristics of Turbulent Flow Around Right-Trapezoidal Prisms With Varying Upper and Lower Lengths
Open the PDF for Characteristics of Turbulent Flow Around Right-Trapezoidal Prisms With Varying Upper and Lower Lengths in another window
Topics: Flow (Dynamics), Flow separation, Prisms (Optics), Turbulence
Journal Articles

Reynolds Number Effects on Turbulent Wakes Generated by Rectangular Cylinders With Streamwise Aspect Ratios Between 1 and 4

Manqi Liu, Sedem Kumahor, Mark F. Tachie
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2024, 146(2): 021303.
Paper No: FE-23-1176
https://doi.org/10.1115/1.4063434
Published Online: October 11, 2023
View Article titled, Reynolds Number Effects on Turbulent Wakes Generated by Rectangular Cylinders With Streamwise Aspect Ratios Between 1 and 4
Open the PDF for Reynolds Number Effects on Turbulent Wakes Generated by Rectangular Cylinders With Streamwise Aspect Ratios Between 1 and 4 in another window
Topics: Cylinders, Flow (Dynamics), Reynolds number, Shear (Mechanics), Stress, Turbulence, Wakes, Density, Wake turbulence, Probability
Journal Articles

Experimental Study of Turbulent Wake Flow Around Trapezoidal Cylinders With Varying Streamwise Aspect Ratios

Jinhao Kang, Mark F. Tachie
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. August 2023, 145(8): 081301.
Paper No: FE-22-1636
https://doi.org/10.1115/1.4062086
Published Online: March 30, 2023
View Article titled, Experimental Study of Turbulent Wake Flow Around Trapezoidal Cylinders With Varying Streamwise Aspect Ratios
Open the PDF for Experimental Study of Turbulent Wake Flow Around Trapezoidal Cylinders With Varying Streamwise Aspect Ratios in another window
Topics: Cylinders, Flow (Dynamics), Stress, Wakes, Turbulence, Wake turbulence, Vortices, Density
Proceedings Papers

Investigations of Aspect Ratio Effects on Wake Dynamics of Rectangular Cylinders

Manqi Liu, Sedem Kumahor, Lucas Audette, Mark F. Tachie
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A030, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87654
https://doi.org/10.1115/FEDSM2022-87654
View Paper titled, Investigations of Aspect Ratio Effects on Wake Dynamics of Rectangular Cylinders
Open the PDF for Investigations of Aspect Ratio Effects on Wake Dynamics of Rectangular Cylinders in another window
Topics: Cylinders, Dynamics (Mechanics), Flow (Dynamics), Wakes, Stress, Flow separation, Particulate matter, Reynolds number, Topology, Wake turbulence
Proceedings Papers

Effects of Reynolds Number and Streamwise Aspect Ratio on Turbulent Wakes Generated by Rectangular Cylinders

Manqi Liu, Sedem Kumahor, Mark F. Tachie
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A010, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-86964
https://doi.org/10.1115/FEDSM2022-86964
View Paper titled, Effects of Reynolds Number and Streamwise Aspect Ratio on Turbulent Wakes Generated by Rectangular Cylinders
Open the PDF for Effects of Reynolds Number and Streamwise Aspect Ratio on Turbulent Wakes Generated by Rectangular Cylinders in another window
Topics: Cylinders, Flow (Dynamics), Reynolds number, Wake turbulence, Turbulence, Flow separation, Kinetic energy, Particulate matter, Resolution (Optics), Wakes
Proceedings Papers

Turbulent Characteristics of the Wake Flow Around Rectangular and Trapezoidal Prisms in Uniform Flow

Jinhao Kang, Sedem Kumahor, Amir Sagharichi, Mark F. Tachie
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A029, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87650
https://doi.org/10.1115/FEDSM2022-87650
View Paper titled, Turbulent Characteristics of the Wake Flow Around Rectangular and Trapezoidal Prisms in Uniform Flow
Open the PDF for Turbulent Characteristics of the Wake Flow Around Rectangular and Trapezoidal Prisms in Uniform Flow in another window
Topics: Flow (Dynamics), Flow separation, Geometry, Prisms (Optics), Turbulence, Wakes
Proceedings Papers

The Effects of Aspect Ratio on Turbulence Wake Flow Over Right Trapezoidal Prism

Jinhao Kang, Sedem Kumahor, Amir Sagharichi, Mark F. Tachie
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A026, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87640
https://doi.org/10.1115/FEDSM2022-87640
View Paper titled, The Effects of Aspect Ratio on Turbulence Wake Flow Over Right Trapezoidal Prism
Open the PDF for The Effects of Aspect Ratio on Turbulence Wake Flow Over Right Trapezoidal Prism in another window
Topics: Flow (Dynamics), Flow separation, Prisms (Optics), Turbulence, Wakes, Stress, Bubbles, Particulate matter, Reynolds number, Shear (Mechanics)
Proceedings Papers

Wall Roughness Effects on Turbulent Flow Past a Near-Wall Square Cylinder

Heath Chalmers, Xingjun Fang, Mark F. Tachie
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A007, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-86954
https://doi.org/10.1115/FEDSM2022-86954
View Paper titled, Wall Roughness Effects on Turbulent Flow Past a Near-Wall Square Cylinder
Open the PDF for Wall Roughness Effects on Turbulent Flow Past a Near-Wall Square Cylinder in another window
Topics: Cylinders, Surface roughness, Turbulence, Vortex shedding
Journal Articles

Turbulent Flow Around Rectangular Cylinders With Different Streamwise Aspect Ratios

Sedem Kumahor, Mark F. Tachie
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2022, 144(5): 051304.
Paper No: FE-21-1256
https://doi.org/10.1115/1.4052633
Published Online: January 12, 2022
View Article titled, Turbulent Flow Around Rectangular Cylinders With Different Streamwise Aspect Ratios
Open the PDF for Turbulent Flow Around Rectangular Cylinders With Different Streamwise Aspect Ratios in another window
Topics: Cylinders, Flow (Dynamics), Stress, Turbulence, Wakes
Journal Articles

The Wake Dynamics Behind a Near-Wall Square Cylinder

Samuel Addai, Xingjun Fang, Afua A. Mante, Mark F. Tachie
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. May 2022, 144(5): 051305.
Paper No: FE-21-1322
https://doi.org/10.1115/1.4052675
Published Online: January 12, 2022
View Article titled, The Wake Dynamics Behind a Near-Wall Square Cylinder
Open the PDF for The Wake Dynamics Behind a Near-Wall Square Cylinder in another window
Topics: Cylinders, Flow (Dynamics), Wakes, Stress, Boundary layer turbulence, Shear (Mechanics), Dynamics (Mechanics)
Proceedings Papers

Interactions Between the Shear Layer Emanating From Rectangular Cylinders and the Near Wake Region

Sedem Kumahor, Samuel Addai, Mark F. Tachie
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A026, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65448
https://doi.org/10.1115/FEDSM2021-65448
View Paper titled, Interactions Between the Shear Layer Emanating From Rectangular Cylinders and the Near Wake Region
Open the PDF for Interactions Between the Shear Layer Emanating From Rectangular Cylinders and the Near Wake Region in another window
Topics: Cylinders, Flow (Dynamics), Flow separation, Shear (Mechanics), Wakes, Kinetic energy, Shear stress, Turbulence, Bubbles, Particulate matter
Proceedings Papers

Influence of Wall Proximity on the Wake Dynamics Behind a Square Cylinder

Samuel Addai, Afua A. Mante, Sedem Kumahor, Xingjun Fang, Mark F. Tachie
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A029, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65593
https://doi.org/10.1115/FEDSM2021-65593
View Paper titled, Influence of Wall Proximity on the Wake Dynamics Behind a Square Cylinder
Open the PDF for Influence of Wall Proximity on the Wake Dynamics Behind a Square Cylinder in another window
Topics: Boundary layer turbulence, Cylinders, Dynamics (Mechanics), Particulate matter, Wakes
Journal Articles

The Effects of Upstream Wall Roughness on the Spatio-Temporal Characteristics of Flow Separations Induced by a Forward-Facing Step

Sedem Kumahor, Xingjun Fang, Mark F. Tachie
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. July 2021, 143(7): 071301.
Paper No: FE-20-1626
https://doi.org/10.1115/1.4050206
Published Online: April 9, 2021
View Article titled, The Effects of Upstream Wall Roughness on the Spatio-Temporal Characteristics of Flow Separations Induced by a Forward-Facing Step
Open the PDF for The Effects of Upstream Wall Roughness on the Spatio-Temporal Characteristics of Flow Separations Induced by a Forward-Facing Step in another window
Topics: Flow (Dynamics), Stress, Surface roughness, Turbulence, Bubbles, Separation (Technology), Shear stress, Boundary layer turbulence, Flow separation, Principal component analysis
Journal Articles

Streamwise Aspect Ratio Effects on Turbulent Flow Separations Induced by Forward–Backward-Facing Steps

Heath Chalmers, Xingjun Fang, Mark F. Tachie
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. February 2021, 143(2): 021305.
Paper No: FE-20-1258
https://doi.org/10.1115/1.4048686
Published Online: October 29, 2020
View Article titled, Streamwise Aspect Ratio Effects on Turbulent Flow Separations Induced by Forward–Backward-Facing Steps
Open the PDF for Streamwise Aspect Ratio Effects on Turbulent Flow Separations Induced by Forward–Backward-Facing Steps in another window
Topics: Boundary layer turbulence, Bubbles, Flow (Dynamics), Separation (Technology), Turbulence, Shear (Mechanics), Principal component analysis, Stress
Proceedings Papers

The Effects of Upstream Wall Roughness on Separated and Reattached Flows Over a Forward-Facing Step

Sedem Kumahor, Xingjun Fang, William Ediger, Mark F. Tachie
Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A042, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20257
https://doi.org/10.1115/FEDSM2020-20257
View Paper titled, The Effects of Upstream Wall Roughness on Separated and Reattached Flows Over a Forward-Facing Step
Open the PDF for The Effects of Upstream Wall Roughness on Separated and Reattached Flows Over a Forward-Facing Step in another window
Topics: Flow (Dynamics), Surface roughness
Proceedings Papers

The Effects of Upstream Wall Roughness on the Spatio-Temporal Characteristics of Flow Separations Induced by a Forward-Facing Step

Sedem Kumahor, Xingjun Fang, Ali Nematollahi, Mark F. Tachie
Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A043, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20258
https://doi.org/10.1115/FEDSM2020-20258
View Paper titled, The Effects of Upstream Wall Roughness on the Spatio-Temporal Characteristics of Flow Separations Induced by a Forward-Facing Step
Open the PDF for The Effects of Upstream Wall Roughness on the Spatio-Temporal Characteristics of Flow Separations Induced by a Forward-Facing Step in another window
Topics: Flow separation, Surface roughness
Proceedings Papers

Effects of Streamwise Aspect Ratio on Turbulent Flows Over Forward-Backward Facing Steps

Heath Chalmers, Xingjun Fang, Mark F. Tachie
Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A044, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20263
https://doi.org/10.1115/FEDSM2020-20263
View Paper titled, Effects of Streamwise Aspect Ratio on Turbulent Flows Over Forward-Backward Facing Steps
Open the PDF for Effects of Streamwise Aspect Ratio on Turbulent Flows Over Forward-Backward Facing Steps in another window
Topics: Turbulence, Flow (Dynamics), Boundary layer turbulence, Bubbles, Separation (Technology), Flow separation, Particulate matter, Principal component analysis, Reynolds number, Stress
Proceedings Papers

Experimental Investigation of Nozzle Orientation Effects on Mixing Characteristics of Elliptic Triple Free Jets

Ella M. Morris, Seyed S. Aleyasin, Neelakash Biswas, Mark F. Tachie
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A078, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5463
https://doi.org/10.1115/AJKFluids2019-5463
View Paper titled, Experimental Investigation of Nozzle Orientation Effects on Mixing Characteristics of Elliptic Triple Free Jets
Open the PDF for Experimental Investigation of Nozzle Orientation Effects on Mixing Characteristics of Elliptic Triple Free Jets in another window
Topics: Jets, Nozzles, Turbulence
Proceedings Papers

The Effects of Nozzle Orientation on Mixing Characteristics of Elliptic Twin Free Jets

Ella M. Morris, Neelakash Biswas, Seyed S. Aleyasin, Mark F. Tachie
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A062, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5478
https://doi.org/10.1115/AJKFluids2019-5478
View Paper titled, The Effects of Nozzle Orientation on Mixing Characteristics of Elliptic Twin Free Jets
Open the PDF for The Effects of Nozzle Orientation on Mixing Characteristics of Elliptic Twin Free Jets in another window
Topics: Jets, Nozzles, Turbulence