ThermoSim 3.1.1

A Python package for thermodynamic cycle modelling and analysis

ThermoSim

ThermoSim is a Python package for simulating and analyzing thermodynamic model.

ThermoSim

A Python package for modelling and analysing thermodynamic power cycles.

Features

• State point calculation using CoolProp (water, refrigerants, air, etc.)
• Components: Turbine, Pump, Compressor, Heat Exchanger, Mixer, Splitter, Expansion Valve, Separator, Pipe, TES, Source, Sink
• Exergy analysis with dead-state reference
• Cycle plots: T-s, P-h, h-s diagrams with saturation domes
• Pinch analysis for heat exchangers
• Sensitivity analysis: single-parameter, multi-output, and 2D contour sweeps
• Save/Load model state to JSON
• 48+ unit tests with pytest

Installation

pip install CoolProp scipy matplotlib numpy pandas pymoo pytest

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🚀 Quick Example

<<<<<<< HEAD

from ThermoSim import (
    ThermodynamicModel, Turbine, Pump, HeatExchanger,
)
from ThermoSim.plotting import CyclePlotter

Model = ThermodynamicModel()
Model.set_dead_state()

Model.add_point('water', '1', P=8e6, T=753.15, Mass_flowrate=1)
Model.add_point('water', '2', P=0.008e6)
Model.add_point('water', '3', P=0.008e6, Q=0)
Model.add_point('water', '4', P=8e6)

Turbine(Model, 'Turbine', '1', '2', n_isen=0.85, Calculate=True)
HeatExchanger(Model, 'Condenser', PPT=5, HEX_type='SimpleHEX',
              HeatAdded=False, Hot_In_state='2', Hot_Out_state='3',
              Cold_In_state=None, Cold_Out_state=None, Calculate=True)
Pump(Model, 'Pump', '3', '4', n_isen=1.0, Calculate=True)
HeatExchanger(Model, 'Boiler', PPT=5, HEX_type='SimpleHEX',
              HeatAdded=True, Hot_In_state=None, Hot_Out_state=None,
              Cold_In_state='4', Cold_Out_state='1', Calculate=True)

print(Model)

plotter = CyclePlotter(Model)
plotter.plot_Ts_diagram(['1', '2', '3', '4', '1'])

##Test Run

pytest tests/ -v

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📚 Resources

• 🧾 PyPI Package
• 🛠 Source Code
• ❓ Report Issues
• 📘 Wiki

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✨ Features

• Support for different working and heating fluids
• Handles mass and energy balances automatically
• Designed for academic and research-grade modeling

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🤝 Contributing

You're welcome to contribute! Fork the repository and open a pull request. For major changes, please discuss via an issue first.

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📄 License

This project is licensed under the MIT License.
See the LICENSE file for more details.

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🙌 Acknowledgements

Created and maintained by Md. Waheduzzaman Nouman, for educational and research use.

This documentation is intended for:

• Engineering Students: Those studying thermodynamics, energy systems, and heat transfer. The module provides a practical tool to simulate real-world energy systems and understand thermodynamic concepts.

• Researchers: Professionals and researchers working in the field of thermodynamics and energy efficiency can use this module for modeling, optimization, and analysis of complex systems.

• Energy System Designers: Engineers involved in designing and optimizing thermodynamic systems such as power plants, heat exchangers, refrigeration cycles, and renewable energy systems.

Real-World Applications

1. Heat Exchanger Design and Optimization: The module simulates various types of heat exchangers (e.g., double-pipe, evaporator, condenser), helping engineers optimize thermal efficiency and energy usage in industrial applications.

2. Pumps and Turbines: It can model pumps and turbines used in power generation, refrigeration, and HVAC systems, providing insights into performance metrics like work output, efficiency, and energy transfer

3. Energy Efficiency Analysis: By integrating components like expansion valves and PCM (Phase Change Materials), the model supports the design of energy-efficient systems in heating, cooling, and refrigeration sectors.

4. Simulation of Thermodynamic Cycles: The module supports the simulation of thermodynamic cycles, including Rankine and refrigeration cycles, helping in the evaluation of system performance, energy conservation, and operational optimization.

License

MIT

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