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Engineering LibreTexts

4.8: Nomenclature

  • Page ID
    30058
  • A

    Cross section of particle

    m2

    CD

    Drag coefficient

    -

    Cvs

    Volumetric spatial concentration

    -

    d

    Particle diameter

    m

    D* or d*

    Bonneville parameter or dimensionless particle diameter

    -

    Fdown

    Downwards force on particle

    N

    Fup

    Upwards force on particle

    N

    g

    Gravitational constant 9.81 m/s2

    m/s2

    K

    Volumetric form factor

    -

    Rep

    Particle Reynolds number

    -

    Rsd

    Relative submerged density

    -

    vt

    Terminal settling velocity

    m/s

    vt*

    Dimensionless terminal settling velocity

    -

    vth

    Hindered terminal settling velocity

    m/s

    vts

    Terminal settling velocity sphere

    m/s

    V

    Volume of particle

    m3

    β

    Hindered settling power

    -

    ρl

    Density of carrier liquid

    ton/m3

    ρs

    Density of solid

    ton/m3

    ψ

    Shape factor

    -

    ξ

    Shape factor

    -
    \(\ v_{\mathbf{l}}\)

    Kinematic viscosity liquid

    m2/s