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The document derives the Ergun equation, which relates pressure drop and velocity in packed beds. It first discusses laminar and turbulent flow regimes. It then defines parameters like sphericity and equivalent diameter. Combining equations for laminar flow in individual channels with void space calculations yields the Kozney-Carman equation. Adding a correction factor accounts for non-ideal channel geometry. Finally, incorporating turbulent flow correlations results in the full Ergun equation.
- Author
- Professional
- Language
- EN