pychemqt is a graphical application for calculations and the design of unit operations in chemical engineering. Its scope extends considerably beyond a collection of isolated engineering calculators: users can define process streams, construct flow diagrams and model equipment while drawing on an extensive collection of thermodynamic and physical-property methods.
The software is written in Python with a Qt interface. NumPy, SciPy and Matplotlib provide much of its numerical and plotting foundation, while additional scientific libraries can extend its property calculations and data interchange capabilities.
This is free and open source software.
Key Features
- Provides a graphical interface with support for chemical process flow diagrams.
- Includes a database containing approximately a thousand predefined chemical components.
- Lets users define custom compounds.
- Provides petroleum-fraction pseudocomponent calculations.
- Implements group-contribution methods for estimating compound properties.
- Defines material streams using temperature, pressure and composition.
- Implements numerous cubic and multiparameter equations of state.
- Includes Redlich-Kwong, Soave-Redlich-Kwong, Peng-Robinson and related thermodynamic models.
- Models mixers, dividers, valves, pipes, compressors, expanders and pumps.
- Provides several heat-exchanger models together with fired-heater calculations.
- Includes flash calculations and simple distillation-column methods.
- Provides models for cyclones, gravity chambers, electrostatic precipitators and baghouses.
- Includes units and currency conversion utilities.
- Provides a periodic table and psychrometric calculations.
- Generates engineering plots including Moody, drag-sphere and Standing-Katz charts.
- Lets users configure unit systems, property correlations and thermodynamic calculation methods.
- Provides basic cost-estimation facilities.
- Supports spreadsheet data interchange and optional PDF reporting through additional libraries.
- Includes academic-reference information for implemented correlations and methods.
Website: github.com/jjgomera/pychemqt
Support:
Developer: Juan José Gómez Romera
License: GNU General Public License v3.0
pychemqt is written in Python. Learn Python with our recommended free books and free tutorials.
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Read our verdict in the software roundup.
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