Pipeng Toolbox : Pump Viscosity Calculators Blank User
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Pump Viscosity Correction

Calculate pump performance with viscosity correction factors.

The calculation is valid for practical pump specific speed Ns ≤ 3000, kinematic viscosity 1 ≤ ν ≤ 4000 cSt, and B ≤ 40.

Reference : Hydraulic Institute HI 9.6.7-2010, Effects of Liquid Viscosity on Rotodynamic (Centrifugal and Vertical) Pump Performance

PLEASE NOTE : The pump calculators are currently being updated. Apologies for any inconvenience.

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CALCULATOR : Pump Liquid Viscosity [FREE]   ±

Calculate pump liquid viscosity for general liquids.

For liquids lighter than or equal to water the density can be defined as degrees API, or degrees Baume (Be-). For liquids heavier than water the density can be defined by degrees Baume (Be+), or degrees Twaddell.

Tool Input

  • sgtype : Fluid Density Type
    • SGu : User Defined Specific Gravity
    • Be+u : User Defined Degrees Baume SG > 1
    • Be-u : User Defined Degrees Baume SG <= 1
    • Twu : User Defined Degrees Twaddell SG > 1
    • APIu : User Defined Degrees API SG <= 1
    • ρu : User Defined Liquid Density
  • visctype : Viscosity Type
    • μu : User Defined Dynamic Viscosity
    • νu : User Defined Kinematic Viscosity

Tool Output

  • μ : Fluid Dynamic Viscosity
  • ν : Fluid Kinematic Viscosity
  • ρ : Fluid Density
  • SG : Fluid Specific Gravity

CALCULATOR : Pump Fresh Water Viscosity [FREE]   ±

Calculate pump fresh water viscosity from temperature (IAPWS R12-08 and IAPWS R7-97 steam table).

The calculation is valid from 0 to 100 degrees C. Use the Result Plot option to plot viscosity versus temperature.

Tool Input

  • T : Temperature

Tool Output

  • μ : Dynamic Viscosity
  • ν : Kinematic Viscosity
  • ρ : Density

CALCULATOR : Pump Salt Water Viscosity [FREE]   ±

Calculate pump salt water viscosity from temperature and salinity (TEOS10, IAPWS R12-08 and IAPWS R7-97 steam table).

The calculation is valid from 0 to 100 degrees C. Use the Result Plot option to plot viscosity versus temperature.

Tool Input

  • T : Seawater Temperature

Tool Output

  • μ : Dynamic Viscosity
  • ν : Kinematic Viscosity
  • ρ : Seawater Density

CALCULATOR : Pump Static Dynamic And Stagnation Pressure And Head Conversion [FREE]   ±

Convert pump pressure and pump head (static and stagnation pressure / head).

Pump head can be calculated from pump pressure by

`H = (P) / (ρ g) `

where :

H = head
P = pressure
ρ = fluid density
g = gravity constant

The stagnation pressure is calculated by

`Pg = Ps + Pd `
`Pd = 1/2 ρ V^2 `
`V = (4 Q) / (pi D^2) `

where :

Ps = static pressure
Pg = stagnation pressure
Pd = dynamic pressure
V = fluid velocity
Q = volume flowrate
D = inside diameter

Tool Input

  • schdtype : Pipe Schedule Type
  • diamtype : Pipe Diameter Type
    • ODu : User Defined Outside Diameter
    • IDu : User Defined Inside Diameter
  • wtntype : Wall Thickness Type
    • tnu : User Defined Wall Thickness
  • voltype : Fluid Flowrate Type
    • Qu : User Defined Volume Flow Rate
    • Mu : User Defined Mass Flow Rate
    • Vu : User Defined Fluid Velocity
  • presstype : Pressure Type
    • Psu : User Defined Static Pressure
    • Pgu : User Defined Stagnation Pressure
    • Hsu : User Defined Static Head
    • Hgu : User Defined Stagnation Head
  • ρ : Fluid Density

Tool Output

  • Hd : Dynamic Head
  • Hg : Stagnation Head
  • Hs : Static Head
  • ID : Inside Diameter
  • M : Liquid Mass Flowrate
  • Pd : Dynamic Pressure
  • Pg : Stagnation Pressure
  • Ps : Static Pressure
  • Q : Liquid Volume Flowrate
  • V : Fluid Velocity