Calculate liquid vapour pressure, density and viscosity for fresh water, salt water and general liquids.
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
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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 InputTool Output- μ : Dynamic Viscosity
- ν : Kinematic Viscosity
- ρ : Density
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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 InputTool Output- μ : Dynamic Viscosity
- ν : Kinematic Viscosity
- ρ : Seawater Density
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CALCULATOR : Pump Liquid Density [FREE] ±
Calculate pump liquid density from specific gravity, degrees Baume, degrees Twaddell, or degrees API. 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 : 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
Tool Output- ρ : Fluid Density
- API : Degrees API SG ≤ 1
- Be+ : Degrees Baume SG > 1
- Be- : Degrees Baume SG ≤ 1
- SG : Specific Gravity
- Tw : Degrees Twaddell SG > 1
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CALCULATOR : Pump Fresh Water Density From Temperature [FREE] ±
Calculate pump fresh water density from temperature at atmospheric pressure (IAPWS R7-97 steam table). The calculation is valid from the freezing point (0 C) to the boiling point (100 C). Use the Result Plot option to plot density versus temperature. Tool InputTool Output |
CALCULATOR : Pump Salt Water Density From Temperature And Salinity [FREE] ±
Calculate pump salt water density at atmospheric pressure from temperature and salinity (TEOS-10). Practical salinity = parts per thousand of dissolved solids (mainly salt). The absolute salinity is taken as 35.16504 / 35 times the practical salinity. The absolute salinity anomaly δSA is ignored. Use the Result Plot option to plot density versus temperature. Tool InputTool Output |
CALCULATOR : Pump Fresh Water Vapour Pressure From Temperature [FREE] ±
Calculate pump fresh water vapour pressure from temperature (IAPWS R7-97 steam table). Use the Result Plot option to plot vapour pressure versus temperature. Tool InputTool Output |
CALCULATOR : Pump Salt Water Vapour Pressure From Temperature And Salinity [FREE] ±
Calculate pump salt water vapour pressure from temperature and salinity (TEOS-10 and IAPWS R7-97 steam table). Seawater vapour pressure is calculated from fresh water vapour pressure using the equation from Sharqawy (2010). The fresh water vapour pressure is calculated from temperature using the IAPWS R7-97 steam equations. Practical salinity = parts per thousand of dissolved solids (mainly salt). The absolute salinity is taken as 35.16504 / 35 times the practical salinity. The absolute salinity anomaly δSA is ignored. Tool InputTool Output |
CALCULATOR : Pump Static Pressure Stagnation Pressure And Dynamic Pressure [FREE] ±
Calculate pump static pressure, stagnation pressure and dynamic pressure from the Bernoulli equation. The stagnation pressure equals the sum of the dynamic pressure and static pressure. The liquid flowrate can be defined by either velocity, volume flowrate, or mass flowrate. 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 : Flowrate Type
- Qfu : User Defined Volume Flow Rate
- Mfu : User Defined Mass Flow Rate
- Vfu : User Defined Fluid Velocity
- pltype : Local Pressure Type
- Psu : User Defined Static Pressure
- Pgu : User Defined Stagnation Pressure
- ρ : Density
- Z : Elevation Relative To Datum
Tool Output- ID : Inside Diameter
- Mf : Mass Flowrate
- Pb : Bernoulli Pressure (Ps + Pz + Pd)
- Pd : Dynamic Pressure (From Velocity)
- Pg : Stagnation Pressure (Ps + Pd)
- Ph : Hydraulic Pressure (Ps + Pz)
- Ps : Static Pressure
- Pz : Potential Pressure (From Elevation)
- Qf : Volume Flowrate
- Vf : Velocity
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