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Journal Articles

Mean Velocity, Reynolds Shear Stress, and Fluctuations of Velocity and Pressure Due to Log Laws in a Turbulent Boundary Layer and Origin Offset by Prandtl Transposition Theorem

Noor Afzal, Abu Seena
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071204.
Paper No: FE-15-1708
https://doi.org/10.1115/1.4039259
Published Online: March 16, 2018
View Article titled, Mean Velocity, Reynolds Shear Stress, and Fluctuations of Velocity and Pressure Due to Log Laws in a Turbulent Boundary Layer and Origin Offset by Prandtl Transposition Theorem
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Topics: Boundary layer turbulence, Pressure, Reynolds number, Shapes, Shear stress, Theorems (Mathematics), Turbulence, Fluctuations (Physics), Friction
Journal Articles

Discussions: (1) “On the Axisymmetric Turbulent Boundary Layer Growth Along Long Thin Circular Cylinders,” (Jordan, S. A., 2014, ASME J. Fluids Eng., 136(5), p. 051202) and (2) “Understanding Tow Tank Measurements of Total Drag for Long Thin Circular Cylinders,” (Jordan, S. A., 2014, ASME J. Fluids Eng., 136(3), p. 031205)

Noor Afzal, Abu Seena
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Discussions
J. Fluids Eng. March 2015, 137(3): 035501.
Paper No: FE-14-1156
https://doi.org/10.1115/1.4029329
Published Online: March 1, 2015
View Article titled, Discussions: (1) “On the Axisymmetric Turbulent Boundary Layer Growth Along Long Thin Circular Cylinders,” (Jordan, S. A., 2014, ASME J. Fluids Eng., 136(5), p. 051202) and (2) “Understanding Tow Tank Measurements of Total Drag for Long Thin Circular Cylinders,” (Jordan, S. A., 2014, ASME J. Fluids Eng., 136(3), p. 031205)
Open the PDF for Discussions: (1) “On the Axisymmetric Turbulent Boundary Layer Growth Along Long Thin Circular Cylinders,” (Jordan, S. A., 2014, ASME J. Fluids Eng., 136(5), p. 051202) and (2) “Understanding Tow Tank Measurements of Total Drag for Long Thin Circular Cylinders,” (Jordan, S. A., 2014, ASME J. Fluids Eng., 136(3), p. 031205) in another window
Topics: Boundary layer turbulence, Circular cylinders, Drag (Fluid dynamics), Fluids
Journal Articles

Parametric Analysis of Turbulent Wall Jet in Still Air Over a Transitional Rough, With Asymptotes of Fully Rough and Fully Smooth Wall Jets

Noor Afzal, Abu Seena
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. November 2013, 135(11): 111203.
Paper No: FE-12-1481
https://doi.org/10.1115/1.4025005
Published Online: September 4, 2013
View Article titled, Parametric Analysis of Turbulent Wall Jet in Still Air Over a Transitional Rough, With Asymptotes of Fully Rough and Fully Smooth Wall Jets
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Topics: Surface roughness, Turbulence
Journal Articles

Erratum: “Friction factor directly from transitional roughness in a turbulent pipe flow” [ ASME Trans. J. Fluid Eng., 2007, 129, pp. 1255–1267 ]

Noor Afzal
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Errata
J. Fluids Eng. October 2011, 133(10): 107001.
https://doi.org/10.1115/1.4004961
Published Online: October 5, 2011
View Article titled, Erratum: “Friction factor directly from transitional roughness in a turbulent pipe flow” [ ASME Trans. J. Fluid Eng., 2007, 129, pp. 1255–1267 ]
Open the PDF for Erratum: “Friction factor directly from transitional roughness in a turbulent pipe flow” [ ASME Trans. J. Fluid Eng., 2007, 129, pp. 1255–1267 ] in another window
Topics: Fluids, Friction, Pipe flow, Surface roughness, Turbulence
Journal Articles

Analysis of a Power Law and Log Law for a Turbulent Wall Jet Over a Transitional Rough Surface: Universal Relations

Noor Afzal, Abu Seena
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. September 2011, 133(9): 091201.
https://doi.org/10.1115/1.4004763
Published Online: September 8, 2011
View Article titled, Analysis of a Power Law and Log Law for a Turbulent Wall Jet Over a Transitional Rough Surface: Universal Relations
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Topics: Surface roughness, Turbulence
Journal Articles

Analysis of Instantaneous Turbulent Velocity Vector and Temperature Profiles in Transitional Rough Channel Flow

Noor Afzal
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. June 2009, 131(6): 064503.
https://doi.org/10.1115/1.3085827
Published Online: April 10, 2009
View Article titled, Analysis of Instantaneous Turbulent Velocity Vector and Temperature Profiles in Transitional Rough Channel Flow
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Topics: Channel flow, Momentum, Navier-Stokes equations, Pipes, Surface roughness, Temperature, Temperature profiles, Turbulence, Reynolds number, Shear stress
Journal Articles

Logarithmic Expansions for Reynolds Shear Stress and Reynolds Heat Flux in a Turbulent Channel Flow

Abu Seena, A. Bushra, Noor Afzal
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Technical Briefs
J. Heat Mass Transfer. September 2008, 130(9): 094501.
https://doi.org/10.1115/1.2944240
Published Online: July 10, 2008
View Article titled, Logarithmic Expansions for Reynolds Shear Stress and Reynolds Heat Flux in a Turbulent Channel Flow
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Topics: Channel flow, Heat flux, Shear stress, Turbulence, Temperature profiles
Journal Articles

Power Law Velocity and Temperature Profiles in a Fully Developed Turbulent Channel Flow

Abu Seena, Noor Afzal
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. September 2008, 130(9): 091701.
https://doi.org/10.1115/1.2944239
Published Online: July 3, 2008
View Article titled, Power Law Velocity and Temperature Profiles in a Fully Developed Turbulent Channel Flow
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Topics: Channel flow, Friction, Reynolds number, Temperature profiles, Turbulence, Heat transfer
Journal Articles

Turbulent Boundary Layer With Negligible Wall Stress

Noor Afzal
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. May 2008, 130(5): 051205.
https://doi.org/10.1115/1.2903754
Published Online: May 7, 2008
View Article titled, Turbulent Boundary Layer With Negligible Wall Stress
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Topics: Boundary layer turbulence, Flow (Dynamics), Pressure gradient, Separation (Technology), Wakes, Viscosity, Boundary layers, Composite materials, Kinematics
Journal Articles

Alternate Scales for Turbulent Boundary Layer on Transitional Rough Walls: Universal Log Laws

Noor Afzal
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. April 2008, 130(4): 041202.
https://doi.org/10.1115/1.2844583
Published Online: April 1, 2008
View Article titled, Alternate Scales for Turbulent Boundary Layer on Transitional Rough Walls: Universal Log Laws
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Topics: Surface roughness, Boundary layer turbulence
Journal Articles

Intermediate Scaling of Turbulent Momentum and Heat Transfer in a Transitional Rough Channel

Abu Seena, Noor Afzal
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. March 2008, 130(3): 031701.
https://doi.org/10.1115/1.2804945
Published Online: March 6, 2008
View Article titled, Intermediate Scaling of Turbulent Momentum and Heat Transfer in a Transitional Rough Channel
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Topics: Channel flow, Heat flux, Heat transfer, Momentum, Shear stress, Surface roughness, Temperature distribution, Turbulence, Reynolds number
Journal Articles

Friction Factor Directly From Transitional Roughness in a Turbulent Pipe Flow

Noor Afzal
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. October 2007, 129(10): 1255–1267.
https://doi.org/10.1115/1.2776961
Published Online: May 16, 2007
View Article titled, Friction Factor Directly From Transitional Roughness in a Turbulent Pipe Flow
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Topics: Friction, Pipes, Surface roughness, Turbulence, Reynolds number, Sands
Journal Articles

Power Law Velocity Profile in the Turbulent Boundary Layer on Transitional Rough Surfaces

Noor Afzal
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. August 2007, 129(8): 1083–1100.
https://doi.org/10.1115/1.2746902
Published Online: March 4, 2007
View Article titled, Power Law Velocity Profile in the Turbulent Boundary Layer on Transitional Rough Surfaces
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Topics: Boundary layer turbulence, Surface roughness, Wakes, Friction, Reynolds number
Journal Articles

Alternate Scales for Turbulent Flow in Transitional Rough Pipes: Universal Log Laws

Noor Afzal, Abu Seena
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. January 2007, 129(1): 80–90.
https://doi.org/10.1115/1.2375129
Published Online: June 22, 2006
View Article titled, Alternate Scales for Turbulent Flow in Transitional Rough Pipes: Universal Log Laws
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Topics: Friction, Pipes, Surface roughness, Reynolds number, Turbulence, Sands
Journal Articles

Power Law Turbulent Velocity Profile in Transitional Rough Pipes

Noor Afzal, Abu Seena, Afzal Bushra
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Papers
J. Fluids Eng. May 2006, 128(3): 548–558.
https://doi.org/10.1115/1.2175161
Published Online: October 2, 2005
View Article titled, Power Law Turbulent Velocity Profile in Transitional Rough Pipes
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Topics: Friction, Pipes, Surface roughness, Reynolds number, Sands, Turbulence