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This is a Quantitative Study study.

September 20, 2025EnergiesOpen Access

Roughness Modeling Using a Porous Medium Layer in a Tesla Turbine Operating with ORC Fluids

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Numerical analysis demonstrates the impact of roughness on flow in Tesla turbines with ORC fluids, indicating improved performance.

Incorporating a porous medium layer model enhances momentum transfer and turbine performance.
Simulations utilize the k-ω shear stress transport turbulence model, providing detailed insights.
The study finds that rescaled roughness dimensions significantly influence flow characteristics.
Examining ORC fluids reveals different performance challenges than traditional air-based models.

Pahlavanzadeh et al. (2025) studied this question.

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