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

    Source: Journal of Fluids Engineering:;2008:;volume( 130 ):;issue: 004:;page 41202
    Author(s): Noor Afzal
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The present work deals with four new alternate transitional surface roughness scales for description of the turbulent boundary layer. The nondimensional roughness scale ϕ is associated with the ...
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    Erratum: “Friction factor directly from transitional roughness in a turbulent pipe flow” [ASME Trans. J. Fluid Eng., 2007, 129, pp. 1255–1267] 

    Source: Journal of Fluids Engineering:;2011:;volume( 133 ):;issue: 010:;page 107001
    Author(s): Noor Afzal
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Page: 1258: In friction factor relations 34, 35, 36, and 37, replace δ by D in first location, to read asDisplay Formula1λ=-2log10[2.51Reλ+h3.7Dexp(-j5.66Reλδh)] (34) Display Formula1λ=-1.93log10[ ...
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    Turbulent Boundary Layer With Negligible Wall Stress 

    Source: Journal of Fluids Engineering:;2008:;volume( 130 ):;issue: 005:;page 51205
    Author(s): Noor Afzal
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The turbulent boundary layer subjected to strong adverse pressure gradient near the separation region has been analyzed at large Reynolds numbers by the method of matched asymptotic expansions. ...
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    Analysis of Instantaneous Turbulent Velocity Vector and Temperature Profiles in Transitional Rough Channel Flow 

    Source: Journal of Heat Transfer:;2009:;volume( 131 ):;issue: 006:;page 64503
    Author(s): Noor Afzal
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The instantaneous velocity vector and instantaneous temperature in a turbulent flow in a transitionally rough channel have been analyzed from unsteady Navier–Stokes equations and unsteady thermal ...
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    Friction Factor Directly From Transitional Roughness in a Turbulent Pipe Flow 

    Source: Journal of Fluids Engineering:;2007:;volume( 129 ):;issue: 010:;page 1255
    Author(s): Noor Afzal
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The friction factor data from transitional rough test pipes, from the measurements of and (2003, “ Friction Factor Directly From Roughness Measurements,” J. Energy Resour. Technol.125, pp. 126–130), ...
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    Power Law Velocity Profile in the Turbulent Boundary Layer on Transitional Rough Surfaces 

    Source: Journal of Fluids Engineering:;2007:;volume( 129 ):;issue: 008:;page 1083
    Author(s): Noor Afzal
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: A new approach to scaling of transitional wall roughness in turbulent flow is introduced by a new nondimensional roughness scale ϕ. This scale gives rise to an inner viscous length scale ...
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    Analysis of a Power Law and Log Law for a Turbulent Wall Jet Over a Transitional Rough Surface: Universal Relations 

    Source: Journal of Fluids Engineering:;2011:;volume( 133 ):;issue: 009:;page 91201
    Author(s): Noor Afzal; Abu Seena
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The power law and log law velocity profiles and an integral analysis in a turbulent wall jet over a transitional rough surface have been proposed. Based on open mean momentum Reynolds equations, ...
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    Alternate Scales for Turbulent Flow in Transitional Rough Pipes: Universal Log Laws 

    Source: Journal of Fluids Engineering:;2007:;volume( 129 ):;issue: 001:;page 80
    Author(s): Noor Afzal; Abu Seena
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In transitional rough pipes, the present work deals with alternate four new scales, the inner wall transitional roughness variable ζ=Z+∕ϕ, associated with a particular roughness level, defined ...
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    Power Law Velocity and Temperature Profiles in a Fully Developed Turbulent Channel Flow 

    Source: Journal of Heat Transfer:;2008:;volume( 130 ):;issue: 009:;page 91701
    Author(s): Abu Seena; Noor Afzal
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The power law temperature distribution in a fully developed turbulent channel flow for large Peclet numbers has been proposed in the present work. The analysis of the power law velocity profile ...
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    Intermediate Scaling of Turbulent Momentum and Heat Transfer in a Transitional Rough Channel 

    Source: Journal of Heat Transfer:;2008:;volume( 130 ):;issue: 003:;page 31701
    Author(s): Abu Seena; Noor Afzal
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The properties of the mean momentum and thermal balance in fully developed turbulent channel flow on transitional rough surface have been explored by method of matched asymptotic expansions. ...
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