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Engineering LibreTexts

1.6: Nomenclature

  • Page ID
    29197
  • Cv

    Volumetric concentration

    -

    Cvs 

    Volumetric spatial concentration

    -

    Cvt 

    Volumetric transport/delivered concentration

    -

    d

    Particle/grain diameter

    m

    d50

    50% passing particle diameter

    m

    Dp

    Pipe diameter

    m

    Erhg

    Relative Excess Hydraulic Gradient

    -

    i, il, iw

    Hydraulic gradient liquid

    m.w.c./m

    im

    Hydraulic gradient mixture

    m.w.c./m

    LSDV

    Limit of Stationary Deposit Velocity

    m/s

    LDV

    Limit Deposit Velocity

    m/s

    m.w.c.

    Meters water column, pressure expressed in m.w.c.(10 m.w.c.=100 kPa=1 bar)

    m

    Rsd

    Relative submerged density

    -

    v

    Line speed

    m/s

    vls

    Line speed

    m/s

    V1

    Transition fixed bed without suspension – fixed bed with suspension

    m/s

    V2

    Transition fixed bed with suspension – sliding bed with suspension

    m/s

    V3

    Transition sliding bed with suspension – heterogeneous transport

    m/s

    V4

    Transition heterogeneous transport – (pseudo) homogeneous transport

    m/s

    V50

    Velocity with 50% stratification according to Wilson

    m/s

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