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Chemistry and Aerosol"],"readme":"# Particula\n\nA simple, fast, and powerful particle simulator for aerosol science.\n\n**Requires:** Python 3.12+\n\n[Documentation](https://uncscode.github.io/particula) | [Examples](https://uncscode.github.io/particula/Examples/) | [PyPI](https://pypi.org/project/particula/)\n\n## Installation\n\n```bash\npip install particula\n```\n\nor via conda:\n\n```bash\nconda install -c conda-forge particula\n```\n\n## Quick Start\n\n```python\nimport particula as par\n\n# Build an aerosol system\naerosol = (\n    par.AerosolBuilder()\n    .set_atmosphere(atmosphere)\n    .set_particles(particles)\n    .build()\n)\n\n# Run dynamics (chainable with | operator)\nprocess = par.dynamics.Condensation(strategy) | par.dynamics.Coagulation(strategy)\naerosol = process.execute(aerosol, time_step=10, sub_steps=1000)\n```\n\n## Code Structure\n\n```\nparticula/\n├── gas/           # Gas phase: species, vapor pressure, atmosphere\n├── particles/     # Particle representations \u0026 distributions\n├── dynamics/      # Time-dependent processes\n│   ├── coagulation/\n│   ├── condensation/\n│   └── wall_loss/\n├── activity/      # Activity coefficients, phase separation\n├── equilibria/    # Gas-particle partitioning\n└── util/          # Constants, validation, unit conversion\n```\n\n## Documentation Guide\n\n| Looking for...            | Go to                                      |\n|---------------------------|--------------------------------------------|\n| Tutorials \u0026 walkthroughs  | [Examples/](https://uncscode.github.io/particula/Examples/) |\n| Scientific background     | [Theory/](https://uncscode.github.io/particula/Theory/) |\n| API reference             | [Full Docs](https://uncscode.github.io/particula) |\n| Contributing              | [contribute/](./docs/contribute/CONTRIBUTING.md) |\n\n### Examples by Topic\n\n- **Aerosol** — Building and inspecting aerosol objects\n- **Dynamics** — Coagulation, condensation, wall loss simulations\n- **Equilibria** — Gas-particle partitioning calculations\n- **Gas Phase** — Vapor pressure, species properties\n- **Particle Phase** — Size distributions, optical properties\n- **Simulations** — Full end-to-end scientific scenarios\n\n### Featured Examples\n\n- [**Aerosol Tutorial**](./docs/Examples/Aerosol/Aerosol_Tutorial.ipynb) — Learn how to build gas species, atmospheres, particle distributions, and combine them into an `Aerosol` object.\n\n- [**Organic Partitioning \u0026 Coagulation**](./docs/Examples/Simulations/Notebooks/Organic_Partitioning_and_Coagulation.ipynb) — Full simulation of secondary organic aerosol (SOA) formation from 10 organic vapors, followed by Brownian coagulation over 10 minutes.\n\n- [**Cloud Chamber Cycles**](./docs/Examples/Simulations/Notebooks/Cloud_Chamber_Cycles.ipynb) — Multi-cycle cloud droplet activation demonstrating κ-Köhler theory across 3 seed compositions (Ammonium Sulfate, Sucrose, Mixed), showing how hygroscopicity affects activation at different supersaturations.\n\n## Features\n\n- **Gas \u0026 Particle Phases** — Full thermodynamic modeling with swappable strategies\n- **Dynamics** — Coagulation, condensation, wall loss, dilution\n- **Flexible Representations** — Discrete bins, continuous PDF, particle-resolved\n- **Builder Pattern** — Clean, validated object construction with unit conversion\n- **Composable Processes** — Chain runnables with `|` operator\n\n## Citation\n\nIf you use Particula in your research, please cite:\n\u003e Particula [Computer software]. DOI: [10.5281/zenodo.6634653](https://doi.org/10.5281/zenodo.6634653)\n\n## License\n\nMIT\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Funcscode%2Fparticula","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Funcscode%2Fparticula","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Funcscode%2Fparticula/lists"}