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Proceedings Papers

Separation Control on an NACA 0025 Airfoil Using an Array of MEMS-Based Synthetic Jets

K. Xu, P. Lavoie, P. Sullivan
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A024, August 3–5, 2022
Paper No: FEDSM2022-87621
DOI: https://doi.org/10.1115/FEDSM2022-87621
View Paper titled, Separation Control on an NACA 0025 Airfoil Using an Array of MEMS-Based Synthetic Jets
Click here to open pdf in another window PDF for Separation Control on an NACA 0025 Airfoil Using an Array of MEMS-Based Synthetic Jets
Topics: Airfoils, Jets, Microelectromechanical systems, Separation (Technology), Flow (Dynamics), Flow separation, Wire, Actuators, Chords (Trusses), Drag reduction
Proceedings Papers

Effect of the Rear Geometry on the Flow Structure and Drag of the Ahmed Body

Trevor Harley, Naseeb Ahmed Siddiqui, Martin Agelin-Chaab
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T03A015, August 3–5, 2022
Paper No: FEDSM2022-87396
DOI: https://doi.org/10.1115/FEDSM2022-87396
View Paper titled, Effect of the Rear Geometry on the Flow Structure and Drag of the Ahmed Body
Click here to open pdf in another window PDF for Effect of the Rear Geometry on the Flow Structure and Drag of the Ahmed Body
Topics: Drag (Fluid dynamics), Drag reduction, Flow (Dynamics), Geometry, Wakes, Computer software, Dynamics (Mechanics), Electric vehicles, Emissions, Fuel efficiency
Proceedings Papers

Passive Drag Reduction Technology Using Microfiber Coatings

Mitsugu Hasegawa, Hirotaka Sakaue
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A009, August 10–12, 2021
Paper No: FEDSM2021-61461
DOI: https://doi.org/10.1115/FEDSM2021-61461
View Paper titled, Passive Drag Reduction Technology Using Microfiber Coatings
Click here to open pdf in another window PDF for Passive Drag Reduction Technology Using Microfiber Coatings
Topics: Coatings, Cylinders, Drag reduction, Flow (Dynamics), Polyester fibers
Proceedings Papers

Experimental Testing and Numerical Modeling of Small-Scale Boat With Drag-Reducing Air-Cavity System

Jeffrey M. Collins, Phillip R. Whitworth, Konstantin I. Matveev
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T08A008, August 10–12, 2021
Paper No: FEDSM2021-62556
DOI: https://doi.org/10.1115/FEDSM2021-62556
View Paper titled, Experimental Testing and Numerical Modeling of Small-Scale Boat With Drag-Reducing Air-Cavity System
Click here to open pdf in another window PDF for Experimental Testing and Numerical Modeling of Small-Scale Boat With Drag-Reducing Air-Cavity System
Topics: Boats, Cavities, Computer simulation, Drag (Fluid dynamics), Testing, Hull, Ships, Modeling, Water, Computational fluid dynamics
Proceedings Papers

Investigating the Potential Drag Reduction and Thermal Transport Improvement in Textured Microchannels

Nastaran Rabiei, Grace McDonough, Carlos H. Hidrovo
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T07A010, August 10–12, 2021
Paper No: FEDSM2021-65760
DOI: https://doi.org/10.1115/FEDSM2021-65760
View Paper titled, Investigating the Potential Drag Reduction and Thermal Transport Improvement in Textured Microchannels
Click here to open pdf in another window PDF for Investigating the Potential Drag Reduction and Thermal Transport Improvement in Textured Microchannels
Topics: Drag (Fluid dynamics), Drag reduction, Form drag, Microchannels, Skin
Proceedings Papers

Comparison of Turbulent Boundary Layer Profiles Modified With Injection or Uniform Concentration of Drag-Reducing Polymer Solution

Brian R. Elbing
Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A024, July 13–15, 2020
Paper No: FEDSM2020-20317
DOI: https://doi.org/10.1115/FEDSM2020-20317
View Paper titled, Comparison of Turbulent Boundary Layer Profiles Modified With Injection or Uniform Concentration of Drag-Reducing Polymer Solution
Click here to open pdf in another window PDF for Comparison of Turbulent Boundary Layer Profiles Modified With Injection or Uniform Concentration of Drag-Reducing Polymer Solution
Topics: Boundary layer turbulence, Drag (Fluid dynamics), Drag reduction, Polymer solutions, Polymers
Proceedings Papers

Effects of Salinity and Temperature on Rheological and Flow Characteristics of Surfactant-Based Fluids

Ahmed H. Kamel, Ahmed Alzahabi
Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A035, July 13–15, 2020
Paper No: FEDSM2020-20025
DOI: https://doi.org/10.1115/FEDSM2020-20025
View Paper titled, Effects of Salinity and Temperature on Rheological and Flow Characteristics of Surfactant-Based Fluids
Click here to open pdf in another window PDF for Effects of Salinity and Temperature on Rheological and Flow Characteristics of Surfactant-Based Fluids
Topics: Flow (Dynamics), Fluids, Rheology, Surfactants, Temperature, Viscoelasticity, Drag reduction, Self-assembly, Shear (Mechanics), Tubing
Proceedings Papers

Experimental Investigation on Influence of Inclination and Curved Surface of Ship Bottom in Air Lubrication Method

Chiharu Kawakita, Tatsuya Hamada
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A033, July 28–August 1, 2019
Paper No: AJKFluids2019-5256
DOI: https://doi.org/10.1115/AJKFluids2019-5256
View Paper titled, Experimental Investigation on Influence of Inclination and Curved Surface of Ship Bottom in Air Lubrication Method
Click here to open pdf in another window PDF for Experimental Investigation on Influence of Inclination and Curved Surface of Ship Bottom in Air Lubrication Method
Topics: Drag reduction, Lubrication, Porosity, Ships
Proceedings Papers

Air Entrainment and Bubble Generation by a Hydrofoil in a Turbulent Channel Flow

Ichiro Kumagai, Kakeru Taguchi, Chiharu Kawakita, Tatsuya Hamada, Yuichi Murai
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A048, July 28–August 1, 2019
Paper No: AJKFluids2019-5457
DOI: https://doi.org/10.1115/AJKFluids2019-5457
View Paper titled, Air Entrainment and Bubble Generation by a Hydrofoil in a Turbulent Channel Flow
Click here to open pdf in another window PDF for Air Entrainment and Bubble Generation by a Hydrofoil in a Turbulent Channel Flow
Topics: Air entrainment, Bubbles, Channel flow, Drag reduction, Hydrofoil, Ships, Turbulence
Proceedings Papers

Parametric Study for Optimization of Blowing and Suction Locations for Improving Lift-to-Drag Ratio on a Clark-Y Airfoil

Masahiro Ohashi, Yuki Morita, Shiho Hirokawa, Koji Fukagata, Naoko Tokugawa
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A033, July 28–August 1, 2019
Paper No: AJKFluids2019-5067
DOI: https://doi.org/10.1115/AJKFluids2019-5067
View Paper titled, Parametric Study for Optimization of Blowing and Suction Locations for Improving Lift-to-Drag Ratio on a Clark-Y Airfoil
Click here to open pdf in another window PDF for Parametric Study for Optimization of Blowing and Suction Locations for Improving Lift-to-Drag Ratio on a Clark-Y Airfoil
Topics: Airfoils, Drag (Fluid dynamics), Optimization, Suction, Friction, Chords (Trusses), Drag reduction, Flow (Dynamics), Navier-Stokes equations, Reynolds number
Proceedings Papers

Experimental Investigations on Friction Drag Reduction on an Airfoil by Passive Blowing

Shiho Hirokawa, Kaoruko Eto, Koji Fukagata, Naoko Tokugawa
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A034, July 28–August 1, 2019
Paper No: AJKFluids2019-5068
DOI: https://doi.org/10.1115/AJKFluids2019-5068
View Paper titled, Experimental Investigations on Friction Drag Reduction on an Airfoil by Passive Blowing
Click here to open pdf in another window PDF for Experimental Investigations on Friction Drag Reduction on an Airfoil by Passive Blowing
Topics: Airfoils, Drag reduction, Friction, Suction, Wings, Chords (Trusses), Pressure, Pressure gradient, Reynolds number, Skin friction (Fluid dynamics)
Proceedings Papers

Experimental Study on Drag Reduction Effect With Traveling Wave Control Using PIV Measurement

Ichiro Suzuki, Takaaki Shimura, Akihiko Mitsuishi, Kaoru Iwamoto, Akira Murata
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A002, July 28–August 1, 2019
Paper No: AJKFluids2019-4855
DOI: https://doi.org/10.1115/AJKFluids2019-4855
View Paper titled, Experimental Study on Drag Reduction Effect With Traveling Wave Control Using PIV Measurement
Click here to open pdf in another window PDF for Experimental Study on Drag Reduction Effect With Traveling Wave Control Using PIV Measurement
Topics: Channel flow, Drag reduction, Traveling waves, Turbulence
Proceedings Papers

Prediction of Drag Reduction Effect of Pulsating Control in Turbulent Pipe Flow by Machine Learning

Wataru Kobayashi, Takaaki Shimura, Akihiko Mitsuishi, Kaoru Iwamoto, Akira Murata
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A011, July 28–August 1, 2019
Paper No: AJKFluids2019-5681
DOI: https://doi.org/10.1115/AJKFluids2019-5681
View Paper titled, Prediction of Drag Reduction Effect of Pulsating Control in Turbulent Pipe Flow by Machine Learning
Click here to open pdf in another window PDF for Prediction of Drag Reduction Effect of Pulsating Control in Turbulent Pipe Flow by Machine Learning
Topics: Drag reduction, Machine learning, Pipe flow, Turbulence
Proceedings Papers

Resolvent Analysis of Turbulent Friction Drag Reduction by Manipulation of Mean Velocity Profile

Riko Uekusa, Aika Kawagoe, Yusuke Nabae, Koji Fukagata
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A035, July 28–August 1, 2019
Paper No: AJKFluids2019-5125
DOI: https://doi.org/10.1115/AJKFluids2019-5125
View Paper titled, Resolvent Analysis of Turbulent Friction Drag Reduction by Manipulation of Mean Velocity Profile
Click here to open pdf in another window PDF for Resolvent Analysis of Turbulent Friction Drag Reduction by Manipulation of Mean Velocity Profile
Topics: Drag reduction, Friction, Turbulence, Channel flow, Fluids, Laminar flow, Viscosity
Proceedings Papers

LDV Measurement of Turbulent Pipe Flow With Traveling Wavy Elastic Wall for Drag Reduction

Seiya Nakazawa, Takaaki Shimura, Akihiko Mitsuishi, Kaoru Iwamoto, Akira Murata
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A012, July 28–August 1, 2019
Paper No: AJKFluids2019-5691
DOI: https://doi.org/10.1115/AJKFluids2019-5691
View Paper titled, LDV Measurement of Turbulent Pipe Flow With Traveling Wavy Elastic Wall for Drag Reduction
Click here to open pdf in another window PDF for LDV Measurement of Turbulent Pipe Flow With Traveling Wavy Elastic Wall for Drag Reduction
Topics: Drag reduction, Pipe flow, Traveling waves, Turbulence
Proceedings Papers

Experimental Investigation for the Better Control of Flows Over a Simplified Vehicle Configuration With Dielectric Barrier Discharge Plasma Actuator

Satoshi Sekimoto, Keigo Shimizu, Takuji Nakashima, Kozo Fujii, Takenori Hiraoka, Takahide Nouzawa
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A005, July 28–August 1, 2019
Paper No: AJKFluids2019-5121
DOI: https://doi.org/10.1115/AJKFluids2019-5121
View Paper titled, Experimental Investigation for the Better Control of Flows Over a Simplified Vehicle Configuration With Dielectric Barrier Discharge Plasma Actuator
Click here to open pdf in another window PDF for Experimental Investigation for the Better Control of Flows Over a Simplified Vehicle Configuration With Dielectric Barrier Discharge Plasma Actuator
Topics: Actuators, Drag reduction, Flow (Dynamics), Flow control, Plasmas (Ionized gases), Vehicles
Proceedings Papers

Control of Air-Ventilated Cavity Under Ship Hull in Abnormal Waves

Konstantin I. Matveev
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A036, July 28–August 1, 2019
Paper No: AJKFluids2019-4619
DOI: https://doi.org/10.1115/AJKFluids2019-4619
View Paper titled, Control of Air-Ventilated Cavity Under Ship Hull in Abnormal Waves
Click here to open pdf in another window PDF for Control of Air-Ventilated Cavity Under Ship Hull in Abnormal Waves
Topics: Cavities, Drag reduction, Hull, Ships, Waves
Proceedings Papers

Experimental Study on the Friction Drag Reduction of Hydrogel Paint in a Boundary Layer on Flat Plate

Youhei Takagi, Takanori Hino, Masanari Nishimura, Hiromi Aso
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A064, July 28–August 1, 2019
Paper No: AJKFluids2019-4746
DOI: https://doi.org/10.1115/AJKFluids2019-4746
View Paper titled, Experimental Study on the Friction Drag Reduction of Hydrogel Paint in a Boundary Layer on Flat Plate
Click here to open pdf in another window PDF for Experimental Study on the Friction Drag Reduction of Hydrogel Paint in a Boundary Layer on Flat Plate
Topics: Boundary layers, Drag reduction, Flat plates, Friction, Hydrogels, Paints, Reynolds number, Turbulence, Drag (Fluid dynamics), Water
Proceedings Papers

Numerical Analysis of Steady Blowing Based Active Flow Control for Flow Over Ahmed Body

Bansal Shah, Debashis Basu
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A023, July 28–August 1, 2019
Paper No: AJKFluids2019-5239
DOI: https://doi.org/10.1115/AJKFluids2019-5239
View Paper titled, Numerical Analysis of Steady Blowing Based Active Flow Control for Flow Over Ahmed Body
Click here to open pdf in another window PDF for Numerical Analysis of Steady Blowing Based Active Flow Control for Flow Over Ahmed Body
Topics: Flow (Dynamics), Flow control, Numerical analysis, Engineering simulation, Simulation, Drag (Fluid dynamics), Wakes, Aerodynamics, Drag reduction, Form drag
Proceedings Papers

Flow Separation Control and Drag Reduction for a Two-Dimensional Boat-Tailed Bluff Body Through Transverse Grooves

Alessandro Mariotti, Guido Buresti, Maria Vittoria Salvetti
Proc. ASME. FEDSM2018, Volume 1: Flow Manipulation and Active Control; Bio-Inspired Fluid Mechanics; Boundary Layer and High-Speed Flows; Fluids Engineering Education; Transport Phenomena in Energy Conversion and Mixing; Turbulent Flows; Vortex Dynamics; DNS/LES and Hybrid RANS/LES Methods; Fluid Structure Interaction; Fluid Dynamics of Wind Energy; Bubble, Droplet, and Aerosol Dynamics, V001T08A007, July 15–20, 2018
Paper No: FEDSM2018-83458
DOI: https://doi.org/10.1115/FEDSM2018-83458
View Paper titled, Flow Separation Control and Drag Reduction for a Two-Dimensional Boat-Tailed Bluff Body Through Transverse Grooves
Click here to open pdf in another window PDF for Flow Separation Control and Drag Reduction for a Two-Dimensional Boat-Tailed Bluff Body Through Transverse Grooves
Topics: Boats, Drag reduction, Flow separation, Delays, Boundary layers, Flow control, Large eddy simulation, Momentum, Pressure, Relaxation (Physics)