Topics: Drag reduction , Flow (Dynamics) , Molecular weight , Polymers , Turbulence , Chain , Pressure drop , Reynolds number , Polymer chains , Pipe flow

Computational Fluid Dynamics Simulations of Aerodynamic Performance of Low-Pressure Axial Fans With Small Hub-to-Tip Diameter Ratio

Jie Wang, Niels P. Kruyt

J. Fluids Eng. September 2020, 142(9): 091202. doi: https://doi.org/10.1115/1.4047120

Abstract

View articletitled, Computational Fluid Dynamics Simulations of Aerodynamic Performance of Low-Pressure Axial Fans With Small Hub-to-Tip Diameter Ratio

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Topics: Blades , Computational fluid dynamics , Engineering simulation , Flow (Dynamics) , Pressure , Simulation , Fans , Turbulence , Geometry

Influence of Screw Centrifugal Inducer on Internal Flow Structure of Vortex Pump

Hui Quan, Jing Cheng, Ying Guo, Lei Kang, Guoyi Peng

J. Fluids Eng. September 2020, 142(9): 091203. doi: https://doi.org/10.1115/1.4047229

Abstract

View articletitled, Influence of Screw Centrifugal Inducer on Internal Flow Structure of Vortex Pump

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Topics: Pumps , Screws , Vortices , Internal flow , Impellers

Experimental Investigations of Cavitation Performance Breakdown in an Axial Waterjet Pump

Huang Chen, Nick Doeller, Yuanchao Li, Joseph Katz

J. Fluids Eng. September 2020, 142(9): 091204. doi: https://doi.org/10.1115/1.4047287

Abstract

View articletitled, Experimental Investigations of Cavitation Performance Breakdown in an Axial Waterjet Pump

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Topics: Blades , Cavitation , Flow (Dynamics) , Pressure , Pumps , Rotors

Investigation on Energy Loss in Centrifugal Pump Based on Entropy Generation and High-Order Spectrum Analysis

Baoling Cui, Chenliang Zhang

J. Fluids Eng. September 2020, 142(9): 091205. doi: https://doi.org/10.1115/1.4047231

Abstract

View articletitled, Investigation on Energy Loss in Centrifugal Pump Based on Entropy Generation and High-Order Spectrum Analysis

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Topics: Centrifugal pumps , Emission spectroscopy , Energy dissipation , Entropy , Flow (Dynamics) , Pressure , Pumps , Spectroscopy , Vibration , Exhaust gas recirculation

Closed-Loop Control of Transition by Local Dynamic Surface Modification

Donald P. Rizzetta, Miguel R. Visbal, Sandipan Mishra, Michael Amitay

J. Fluids Eng. September 2020, 142(9): 091206. doi: https://doi.org/10.1115/1.4047234

Abstract

View articletitled, Closed-Loop Control of Transition by Local Dynamic Surface Modification

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Topics: Actuators , Computation , Engineering simulation , Flow (Dynamics) , Simulation

Performance Degradation and Flow Instability of Axial-Flow Fan Due to Upstream Obstacle

Donghyuk Kang, Takeru Shinohara, Shinsaku Nakamura, Koichi Nishibe, Kotaro Sato, Kazuhiko Yokota, Hiroshi Ohue

J. Fluids Eng. September 2020, 142(9): 091207. doi: https://doi.org/10.1115/1.4047535

Abstract

View articletitled, Performance Degradation and Flow Instability of Axial-Flow Fan Due to Upstream Obstacle

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Topics: Computational fluid dynamics , Flow (Dynamics) , Flow instability , Pressure , Axial flow

Multiphase Flows

Dynamics of a Viscous Droplet in Return Bends of Microfluidic Channels

John-Luke Singh, Yechun Wang, Yan Zhang, Julie A. Melbye, Amanda E. Brooks, Benjamin D. Brooks

J. Fluids Eng. September 2020, 142(9): 091401. doi: https://doi.org/10.1115/1.4047119

Abstract

View articletitled, Dynamics of a Viscous Droplet in Return Bends of Microfluidic Channels

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Topics: Drops , Microfluidics , Viscosity

Techniques and Procedures

Uncertainty Quantification of Spalart–Allmaras Turbulence Model Coefficients for Simplified Compressor Flow Features

Xiao He, Fanzhou Zhao, Mehdi Vahdati

J. Fluids Eng. September 2020, 142(9): 091501. doi: https://doi.org/10.1115/1.4047026

Abstract

View articletitled, Uncertainty Quantification of Spalart–Allmaras Turbulence Model Coefficients for Simplified Compressor Flow Features

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Topics: Artificial neural networks , Compressors , Flow (Dynamics) , Separation (Technology) , Shock (Mechanics) , Shock waves , Stress , Turbulence , Uncertainty , Uncertainty quantification

Evaluation of PANS Methodology With Nonlinear Eddy Viscosity Closure: Flow Past a Heated Sphere

Sagar Saroha, Krishnendu Chakraborty, Sawan S. Sinha, Sunil Lakshmipathy

J. Fluids Eng. September 2020, 142(9): 091502. doi: https://doi.org/10.1115/1.4047233

Abstract

View articletitled, Evaluation of PANS Methodology With Nonlinear Eddy Viscosity Closure: Flow Past a Heated Sphere

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Topics: Eddies (Fluid dynamics) , Flow (Dynamics) , Simulation , Turbulence , Viscosity , Wakes , Temperature , Stress , Reynolds-averaged Navier–Stokes equations , Engineering simulation

Technical Briefs

Instability of a Radially Moving Cylindrical Surface: A Viscous Potential Flow Approach

Mukesh Kumar Awasthi, Shivam Agarwal

J. Fluids Eng. September 2020, 142(9): 094501. doi: https://doi.org/10.1115/1.4047121

Abstract

View articletitled, Instability of a Radially Moving Cylindrical Surface: A Viscous Potential Flow Approach

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Topics: Flow (Dynamics) , Fluids , Jets , Stability , Viscosity , Surface tension , Differential equations , Density

Erosion Wear on Runner of Francis Turbine in Jhimruk Hydroelectric Center

Zhongdong Qian, Zilong Zhao, Zhiwei Guo, Biraj Singh Thapa, Bhola Thapa

J. Fluids Eng. September 2020, 142(9): 094502. doi: https://doi.org/10.1115/1.4047230

Abstract

View articletitled, Erosion Wear on Runner of Francis Turbine in Jhimruk Hydroelectric Center

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Topics: Blades , Erosion , Francis turbines , Guide vanes , Hydropower , Vortices , Wear , Particulate matter , Sediments

Uniform and Gaussian Ultraviolet Light Intensity Distribution on Droplet for Selective Area Deposition of Particles

Tianyi Li, Aravinda Kar, Ranganathan Kumar

J. Fluids Eng. September 2020, 142(9): 094503. doi: https://doi.org/10.1115/1.4047122

Abstract

View articletitled, Uniform and Gaussian Ultraviolet Light Intensity Distribution on Droplet for Selective Area Deposition of Particles

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Topics: Drops , Particulate matter , Surface tension , Ultraviolet radiation , Eddies (Fluid dynamics)

Numerical Investigation to Derive Correlations for Hydrodynamic Entrance Length in Very Low Reynolds Number Regime in Rectangular Microchannels

Dustin R. Ray, Debendra K. Das

J. Fluids Eng. September 2020, 142(9): 094504. doi: https://doi.org/10.1115/1.4047232

Abstract

View articletitled, Numerical Investigation to Derive Correlations for Hydrodynamic Entrance Length in Very Low Reynolds Number Regime in Rectangular Microchannels

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Topics: Flow (Dynamics) , Microchannels , Reynolds number , Errors , Computer simulation , Simulation

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Research Papers

Flows in Complex Systems

Drag Reduction Performance of Mechanically Degraded Dilute Polyethylene Oxide Solutions

Computational Fluid Dynamics Simulations of Aerodynamic Performance of Low-Pressure Axial Fans With Small Hub-to-Tip Diameter Ratio

Influence of Screw Centrifugal Inducer on Internal Flow Structure of Vortex Pump

Experimental Investigations of Cavitation Performance Breakdown in an Axial Waterjet Pump

Investigation on Energy Loss in Centrifugal Pump Based on Entropy Generation and High-Order Spectrum Analysis

Closed-Loop Control of Transition by Local Dynamic Surface Modification

Performance Degradation and Flow Instability of Axial-Flow Fan Due to Upstream Obstacle

Multiphase Flows

Dynamics of a Viscous Droplet in Return Bends of Microfluidic Channels

Techniques and Procedures

Uncertainty Quantification of Spalart–Allmaras Turbulence Model Coefficients for Simplified Compressor Flow Features

Evaluation of PANS Methodology With Nonlinear Eddy Viscosity Closure: Flow Past a Heated Sphere

Technical Briefs

Instability of a Radially Moving Cylindrical Surface: A Viscous Potential Flow Approach

Erosion Wear on Runner of Francis Turbine in Jhimruk Hydroelectric Center

Uniform and Gaussian Ultraviolet Light Intensity Distribution on Droplet for Selective Area Deposition of Particles

Numerical Investigation to Derive Correlations for Hydrodynamic Entrance Length in Very Low Reynolds Number Regime in Rectangular Microchannels

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