1-20 of 134
Surface roughness
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

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
Paper No: FEDSM2022-86954
DOI: 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
Proceedings Papers

Four-Way Coupled Simulation of Proppants Flowing in Rock Fracture With Realistic Geometry- Hydraulic Fracturing Application

Farid Rousta, Goodarz Ahmadi, Dustin Crandall
Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T04A016, August 3–5, 2022
Paper No: FEDSM2022-87688
DOI: https://doi.org/10.1115/FEDSM2022-87688
View Paper titled, Four-Way Coupled Simulation of Proppants Flowing in Rock Fracture With Realistic Geometry- Hydraulic Fracturing Application
Open the PDF for Four-Way Coupled Simulation of Proppants Flowing in Rock Fracture With Realistic Geometry- Hydraulic Fracturing Application in another window
Topics: Fracture (Materials), Fracture (Process), Geometry, Hydraulic fracturing, Rocks, Simulation, Flow (Dynamics), Particulate matter, Steady state, Computer software
Proceedings Papers

Data-Driven Dynamical System Models of Roughness-Induced Secondary Flows in Thermally Stratified Boundary Layers

Christoffer Hansen, Xiang I. A. Yang, Mahdi Abkar
Proc. ASME. FEDSM2022, Volume 2: Multiphase Flow (MFTC); Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC), V002T05A023, August 3–5, 2022
Paper No: FEDSM2022-87630
DOI: https://doi.org/10.1115/FEDSM2022-87630
View Paper titled, Data-Driven Dynamical System Models of Roughness-Induced Secondary Flows in Thermally Stratified Boundary Layers
Open the PDF for Data-Driven Dynamical System Models of Roughness-Induced Secondary Flows in Thermally Stratified Boundary Layers in another window
Topics: Boundary layers, Dynamic systems, Flow (Dynamics), Surface roughness, Boundary layer turbulence, Dynamics (Mechanics), Large eddy simulation, Nonlinear dynamics, Principal component analysis, Reflection
Proceedings Papers

Causal Inference Analysis to Find Relationships Found in Boundary-Layer Transition – Part I: Theoretical

Arturo Rodriguez, Jose Terrazas, Richard Adansi, V. M. Krushnarao Kotteda, Jorge A. Munoz, Vinod Kumar
Proc. ASME. FEDSM2021, Volume 1: Aerospace Engineering Division Joint Track; Computational Fluid Dynamics, V001T02A050, August 10–12, 2021
Paper No: FEDSM2021-61843
DOI: https://doi.org/10.1115/FEDSM2021-61843
View Paper titled, Causal Inference Analysis to Find Relationships Found in Boundary-Layer Transition – Part I: Theoretical
Open the PDF for Causal Inference Analysis to Find Relationships Found in Boundary-Layer Transition – Part I: Theoretical in another window
Topics: Boundary layers, Turbulence, Flow (Dynamics), Computational fluid dynamics, Fluctuations (Physics), Reynolds number, Vehicles, Defense industry, Design, Fluid dynamics
Proceedings Papers

Numerical Simulation of Wind Effect Over Industrial Chimneys in Cet West Bucharest

Victorita Radulescu
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T04A007, August 10–12, 2021
Paper No: FEDSM2021-65618
DOI: https://doi.org/10.1115/FEDSM2021-65618
View Paper titled, Numerical Simulation of Wind Effect Over Industrial Chimneys in Cet West Bucharest
Open the PDF for Numerical Simulation of Wind Effect Over Industrial Chimneys in Cet West Bucharest in another window
Topics: Computer simulation, Wind, Wind velocity, Modeling, Pressure, Turbulence, Structures, Surface roughness, Thermal power stations, Approximation
Proceedings Papers

Experimental Investigations on the Effect of a Wavy Surface on Hydrodynamic Instabilities in a Taylor-Couette System

Lamia Gaied, Marc Lippert, Laurent Keirsbulck, Fethi Aloui, Emna Berrich
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T04A016, August 10–12, 2021
Paper No: FEDSM2021-65631
DOI: https://doi.org/10.1115/FEDSM2021-65631
View Paper titled, Experimental Investigations on the Effect of a Wavy Surface on Hydrodynamic Instabilities in a Taylor-Couette System
Open the PDF for Experimental Investigations on the Effect of a Wavy Surface on Hydrodynamic Instabilities in a Taylor-Couette System in another window
Topics: Flow (Dynamics), Hydrodynamic stability, Surface roughness
Proceedings Papers

Characterizing Surface Roughness Effects on Supersonic Turbulent Boundary Layers

Rozie Zangeneh
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A021, August 10–12, 2021
Paper No: FEDSM2021-65574
DOI: https://doi.org/10.1115/FEDSM2021-65574
View Paper titled, Characterizing Surface Roughness Effects on Supersonic Turbulent Boundary Layers
Open the PDF for Characterizing Surface Roughness Effects on Supersonic Turbulent Boundary Layers in another window
Topics: Boundary layer turbulence, Surface roughness, Vehicles, Flow (Dynamics), Turbulence, Boundary layers, Flat plates, Flight, Friction, Large eddy simulation
Proceedings Papers

Modeling of Cube Array Roughness: RANS, LES, and DNS

Samuel Altland, Haosen H. A. Xu, Xiang I. A. Yang, Robert Kunz
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A027, August 10–12, 2021
Paper No: FEDSM2021-65494
DOI: https://doi.org/10.1115/FEDSM2021-65494
View Paper titled, Modeling of Cube Array Roughness: RANS, LES, and DNS
Open the PDF for Modeling of Cube Array Roughness: RANS, LES, and DNS in another window
Topics: Modeling, Reynolds-averaged Navier–Stokes equations, Surface roughness
Proceedings Papers

Impact of Print Parameters on Pressure Drop in Turbulent Flow Through 3-D Printed Pipes

Thomas G. Shepard, John Wentz, Tucker Bender, Derek Olmschenk, Alex Gutenberg
Proc. ASME. FEDSM2020, Volume 2: Fluid Mechanics; Multiphase Flows, V002T03A031, July 13–15, 2020
Paper No: FEDSM2020-20252
DOI: https://doi.org/10.1115/FEDSM2020-20252
View Paper titled, Impact of Print Parameters on Pressure Drop in Turbulent Flow Through 3-D Printed Pipes
Open the PDF for Impact of Print Parameters on Pressure Drop in Turbulent Flow Through 3-D Printed Pipes in another window
Topics: Additive manufacturing, Pipes, Pressure drop, Surface roughness, Turbulence, Flow (Dynamics), Manufacturing, Printing, Friction, High temperature
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
Paper No: FEDSM2020-20257
DOI: 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

Order of Accuracy and Sensitivity to Freestream Conditions of a Modified k-ω Turbulence Model for High-Order Finite Element Methods

Nojan Bagheri-Sadeghi, Brian T. Helenbrook, Kenneth D. Visser
Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A039, July 13–15, 2020
Paper No: FEDSM2020-20297
DOI: https://doi.org/10.1115/FEDSM2020-20297
View Paper titled, Order of Accuracy and Sensitivity to Freestream Conditions of a Modified k-ω Turbulence Model for High-Order Finite Element Methods
Open the PDF for Order of Accuracy and Sensitivity to Freestream Conditions of a Modified k-ω Turbulence Model for High-Order Finite Element Methods in another window
Topics: Finite element methods, Turbulence, Flow (Dynamics), Boundary-value problems, Flat plates, Boundary layers, Channel flow, Compressible flow, Diffusion (Physics), Drag (Fluid dynamics)
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
Paper No: FEDSM2020-20258
DOI: 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

A Computational Fluid Dynamic Study of a Momentum and Energy Method on Rough Surfaces

Jose Urcia, Michael Kinzel
Proc. ASME. FEDSM2020, Volume 3: Computational Fluid Dynamics; Micro and Nano Fluid Dynamics, V003T05A041, July 13–15, 2020
Paper No: FEDSM2020-20345
DOI: https://doi.org/10.1115/FEDSM2020-20345
View Paper titled, A Computational Fluid Dynamic Study of a Momentum and Energy Method on Rough Surfaces
Open the PDF for A Computational Fluid Dynamic Study of a Momentum and Energy Method on Rough Surfaces in another window
Topics: Computational fluid dynamics, Momentum, Surface roughness, Flow (Dynamics), Convection, Pressure drop
Proceedings Papers

Rapid and Versatile Micromold Fabrication Using Micromilling and Nanopolishing for Microfluidic Devices

Thanh-Qua Nguyen, Jeongmin Mah, Woo-Tae Park, Sangyoup Lee
Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T06A011, July 28–August 1, 2019
Paper No: AJKFluids2019-5398
DOI: https://doi.org/10.1115/AJKFluids2019-5398
View Paper titled, Rapid and Versatile Micromold Fabrication Using Micromilling and Nanopolishing for Microfluidic Devices
Open the PDF for Rapid and Versatile Micromold Fabrication Using Micromilling and Nanopolishing for Microfluidic Devices in another window
Topics: Manufacturing, Microfluidics, Micromilling, Surface roughness, Machining, Computer numerical control machine tools, Polishing, Bonding, Computers, Design
Proceedings Papers

Directional Surface Roughness Influence on Turbulent Flow Structure

Zambri Harun, Ashraf A. Abbas, Bagus Nugroho
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A079, July 28–August 1, 2019
Paper No: AJKFluids2019-5615
DOI: https://doi.org/10.1115/AJKFluids2019-5615
View Paper titled, Directional Surface Roughness Influence on Turbulent Flow Structure
Open the PDF for Directional Surface Roughness Influence on Turbulent Flow Structure in another window
Topics: Surface roughness, Turbulence, Drag (Fluid dynamics), Boundary layer turbulence, Reynolds number, Statistics
Proceedings Papers

Computational Studies of Droplet Motion Near a Rough Surface via 3D Spectral Boundary Elements

Yechun Wang, Xinnan Wang
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A020, July 28–August 1, 2019
Paper No: AJKFluids2019-5137
DOI: https://doi.org/10.1115/AJKFluids2019-5137
View Paper titled, Computational Studies of Droplet Motion Near a Rough Surface via 3D Spectral Boundary Elements
Open the PDF for Computational Studies of Droplet Motion Near a Rough Surface via 3D Spectral Boundary Elements in another window
Topics: Boundary element methods, Drops, Dynamics (Mechanics), Surface roughness
Proceedings Papers

Influence of Surface Irregularities on Hydrodynamic Instabilities in Couette-Taylor Flow

Lamia Gaied, Emna Berrich, Fethi Aloui, Marc Lippert, Laurent Keirsbulck, Maxence Bigerelle
Proc. ASME. AJKFluids2019, Volume 1: Fluid Mechanics, V001T01A081, July 28–August 1, 2019
Paper No: AJKFluids2019-4625
DOI: https://doi.org/10.1115/AJKFluids2019-4625
View Paper titled, Influence of Surface Irregularities on Hydrodynamic Instabilities in Couette-Taylor Flow
Open the PDF for Influence of Surface Irregularities on Hydrodynamic Instabilities in Couette-Taylor Flow in another window
Topics: Flow (Dynamics), Hydrodynamic stability, Surface roughness
Proceedings Papers

Numerical Simulation of Supercritical Octane Flows in a Heated Circular Tube With Simple Thermal Cracking Model

Takashi Furusawa, Noriyuki Taki, Shuto Yatsuyanagi, Satoru Yamamoto, Takuto Miyaura, Sadatake Tomioka
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A062, July 28–August 1, 2019
Paper No: AJKFluids2019-4797
DOI: https://doi.org/10.1115/AJKFluids2019-4797
View Paper titled, Numerical Simulation of Supercritical Octane Flows in a Heated Circular Tube With Simple Thermal Cracking Model
Open the PDF for Numerical Simulation of Supercritical Octane Flows in a Heated Circular Tube With Simple Thermal Cracking Model in another window
Topics: Computer simulation, Cracking (Materials), Flow (Dynamics), Fracture (Process), Temperature, Wall temperature, Fluids, Numerical analysis, Computer software, Databases
Proceedings Papers

Numerical Prediction and Experimental Study on the Waviness Mechanical Seal

Xiaodong Feng, Yu Ma, Bin Huang
Proc. ASME. AJKFluids2019, Volume 2: Computational Fluid Dynamics, V002T02A022, July 28–August 1, 2019
Paper No: AJKFluids2019-5173
DOI: https://doi.org/10.1115/AJKFluids2019-5173
View Paper titled, Numerical Prediction and Experimental Study on the Waviness Mechanical Seal
Open the PDF for Numerical Prediction and Experimental Study on the Waviness Mechanical Seal in another window
Topics: Deformation, Engineering systems and industry applications, Extruding, Film thickness, Flow (Dynamics), Fluid films, Fluids, Grinding, Leakage, Lubrication theory
Proceedings Papers

Search of High Efficiency Design by Another Specific Speed Design

Takuji Tsugawa
Proc. ASME. AJKFluids2019, Volume 3A: Fluid Applications and Systems, V03AT03A015, July 28–August 1, 2019
Paper No: AJKFluids2019-4645
DOI: https://doi.org/10.1115/AJKFluids2019-4645
View Paper titled, Search of High Efficiency Design by Another Specific Speed Design
Open the PDF for Search of High Efficiency Design by Another Specific Speed Design in another window
Topics: Design, Impellers, Blades, Flow (Dynamics), Shapes, Optimization, Diffusion (Physics), Symmetry (Physics), Axial flow, Friction