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    Comments on “Mechanism of Soret‐Dufour, magnetohydrodynamics, heat and mass transfer flow with buoyancy force, and viscous dissipation effects‏‏”

    New search for: Awad, M. M.

    This commentary shows that the correct units of mass expansion coefficient (βc) must be m3/mol (ie, the inverse of the concentration [C] units) so that the product βc(C − C∞) is dimensionless in the momentum equation. Also, the correct units of magnetic field strength (B0) must be Tesla so that the last term in RHS of the momentum equation has the units of m/s2. In addition, the correct units of dynamic viscosity (μ) must be kg/m·s so that the last term in RHS of the energy equation has the units of K·s. These correct units must be used too in the converted momentum and energy equations after introducing the stream function Ψ(x, y). Using these wrong units will cause some dimensionless parameters such as Grashof number (Gb) and magnetic parameter (M) will be dimensional.

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    Comments on “Mechanism of Soret‐Dufour, magnetohydrodynamics, heat and mass transfer flow with buoyancy force, and viscous dissipation effects‏‏”

    New search for: Awad, M. M.

    This commentary shows that the correct units of mass expansion coefficient (βc) must be m3/mol (ie, the inverse of the concentration [C] units) so that the product βc(C − C∞) is dimensionless in the momentum equation. Also, the correct units of magnetic field strength (B0) must be Tesla so that the last term in RHS of the momentum equation has the units of m/s2. In addition, the correct units of dynamic viscosity (μ) must be kg/m·s so that the last term in RHS of the energy equation has the units of K·s. These correct units must be used too in the converted momentum and energy equations after introducing the stream function Ψ(x, y). Using these wrong units will cause some dimensionless parameters such as Grashof number (Gb) and magnetic parameter (M) will be dimensional.

    Access

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    Check availability in my library
    Order at Subito €

    Comments on “Mechanism of Soret‐Dufour, magnetohydrodynamics, heat and mass transfer flow with buoyancy force, and viscous dissipation effects‏‏”

    New search for: Awad, M. M.

    This commentary shows that the correct units of mass expansion coefficient (βc) must be m3/mol (ie, the inverse of the concentration [C] units) so that the product βc(C − C∞) is dimensionless in the momentum equation. Also, the correct units of magnetic field strength (B0) must be Tesla so that the last term in RHS of the momentum equation has the units of m/s2. In addition, the correct units of dynamic viscosity (μ) must be kg/m·s so that the last term in RHS of the energy equation has the units of K·s. These correct units must be used too in the converted momentum and energy equations after introducing the stream function Ψ(x, y). Using these wrong units will cause some dimensionless parameters such as Grashof number (Gb) and magnetic parameter (M) will be dimensional.

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    Title:

    Comments on “Mechanism of Soret‐Dufour, magnetohydrodynamics, heat and mass transfer flow with buoyancy force, and viscous dissipation effects‏‏”

    Contributors:

    Awad, M. M. (author)

    Published in:

    Heat Transfer ; 50 ; 1252-1253

    Publication date:

    2021-03-01

    Size:

    2 pages

    ISSN:

    2688-4542 , 2688-4534

    DOI:

    https://doi.org/10.1002/htj.21926

    Type of media:

    Article (Journal)

    Type of material:

    Electronic Resource

    Language:

    English

    Keywords:

    heat transfer , negative and positive Soret‐Dufour , spectral homotopy analysis method , thermal radiation , mass transfer

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