Chempak
A chemical property database of up to 700 fluids and 600 gases
with mixing capability

Fluid Properties:

Bulk Modulus of Elasticity
Compressibility Factor
Critical Pressure
Critical Temperature
Density
Enthalpy
Entropy
Internal Energy
Isentropic Expansion Coef.,Gamma
Kinematic Viscosity
Molecular Weight
Phase
Prandtl Number
Pressure
Quality
Saturation Pressure
Saturation Temperature
Sonic Velocity
Specific Heat, cp
Specific Heat, cv
Specific Volume
Surface Tension
Temperature
Temperature Superheat/Subcooled
Thermal Conductivity
Viscosity
Volume Expansivity

Make Fluid Property Data Availability as Dynamic as Your Analyses

Chempak Property Database
Comprehensive
thermo-physical properties on a wide range of fluids for AFT's family of pipe flow modeling software products
  • For incompressible pipe flow analysis
      - data on ~700 fluids for AFT Fathom and AFT Impulse
      - assemble non-reacting static mixtures
  • For compressible flow analysis
      - data on ~600 gases for AFT Arrow
      - model both static mixtures and dynamic mixing resulting from intersecting flow streams
  • Fluids listed by up to 3 commonly used names
  • Fluids listed by  formula and chemical structure
  • Sort on any of the identifiers
Chempak Viewer
The Chempak Viewer is included for free in all AFT software to access the Chempak Property Database.  
  • Assemble non-reacting mixtures on a mass or mole basis
  • Calculate fluid or mixture properties for any combination of the available input parameters as a single point, two point or a range of inputs
  • Save or set your parameter and unit preferences as the default
  • Save and reload input sets
  • Save fluid and mixture sets for quick recall using the Recent Fluids list
  • Specify a name for any fluid or mixture and it appears along with the standard Chempak name
  • Change units 'on the fly' by double-clicking an output column header

Output

  • Chempak Viewer provides both text and graphical output
  • Configure which parameters are displayed, display order and units
  • Supports English and SI units
  • Export as a PDF file or to a spreadsheet for additional calculations
  • Select a portion of the output and paste into a spreadsheet
  • Customize your graphs using colors, axis scale, titles, markers and more
  • Use your graphs in other documents

Chempak FAQ

Aren't the same fluid properties available within AFT software?
No. System modeling software, such as AFT Fathom and AFT Arrow, use and display in their output fluid properties needed for flow analysis, such as temperature, pressure, density, specific heat, etc. In total, about a third of the fluid properties Chempak calculates. All of the fluid properties Chempak calculates are available through the Viewer which is included in your software.

Examples of properties not available within the flow analysis software are; molecular weight, quality, isentropic expansion coefficient and others.
If I buy a license for the Chempak database, can I use it with other AFT products?
Yes. The Chempak database can be shared and accessed among all AFT products.

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