sandlercubics 0.1.1

Cubic equations of state from Chemical, Biochemical, and Engineering Thermodynamics (5th edition) by Stan Sandler

Sandlercubics

Digitized cubic equations of state from Sandler's 5th ed.

Sandlercubics implements a python interface to the cubic equations of state found in Chemical, Biochemical, and Engineering Thermodynamics (5th edition) by Stan Sandler (Wiley, USA). It should be used for educational purposes only.

Currently only the generalized vdW and generalized Peng-Robison equations for pure substances are implemented.

Installation

sandlercubics is available via pip:

pip install sandlercubics

Usage

Command-line interface

A volumetric calculation on methane using Peng-Robninson:

$ sandlercubics state -T 400 -P 0.5 -eos pr -n methane
At T=400.0 K and P=0.5 MPa, the molar volume is 0.0066279 m^3/mol

API

Below we create a PengRobinsonEOS object to reproduce the above calculation:

>>> from sandlercubics.eos import PengRobsinsonEOS
>>> from sandlerprops.properties import PropertiesDatabase
>>> db = ProperitesDatabase()
>>> m = db.get_compound('methane')
>>> s1 = PengRobinsonEOS(Tc=m.Tc, Pc=m.Pc/10, omega=m.Omega)
>>> s1.T = 400
>>> s1.P = 0.5
>>> s1.v.item()  # it is a np float
0.0066279171348771915

Release History

• 0.1.1
  • fixed erroneous thank-you message
• 0.1.0
  • Initial version, implements vdw and PengRobinson

Meta

Cameron F. Abrams – [e-mail]

Distributed under the MIT license. See LICENSE for more information.

https://github.com/cameronabrams

Contributing

1. Fork it (https://github.com/cameronabrams/sandlercubics/fork)
2. Create your feature branch (git checkout -b feature/fooBar)
3. Commit your changes (git commit -am 'Add some fooBar')
4. Push to the branch (git push origin feature/fooBar)
5. Create a new Pull Request